Technical Parameters Parameter Category Specification Product Family / Type Self-Powered 3-Phase Voltage Monitor with Motor Start Feature Monitoring Functions 1. Phase Sequence (Rotation) Control 2. Phase Loss / Undervoltage Detection 3. Voltage Asymmetry (Unbalance) Monitoring 4. Voltage Dip Ride-Through during Motor Start Standard Compliance IEC/EN 60947-5-1 Power Supply Self-powered from the monitored 3-phase line voltage (L1, L2, L3). Rated Operational Voltage (Ue) 3 x 208...480 V AC, 50/60 Hz (Phase-to-Phase). Current Input (for Start Logic) 1 A AC nominal (via external Current Transformers - CTs). Parameter Settings & Ranges • Running Voltage Threshold (U<) Adjustable via potentiometer. Sets the minimum permissible voltage during normal operation. • Start Voltage Threshold Fixed internally or linked to Running Threshold. A less sensitive level active only during motor start. • Voltage Asymmetry (ΔU) Adjustable via potentiometer. Sets the maximum allowed voltage difference between phases. • Start Time Fixed internal timer defining the duration of the start monitoring mode (typically a few seconds). Output Contact • Type 1 Changeover (CO) contact (SPDT). • Rated Operational Current (Ie) 6 A at 250 V AC (AC-15 category). Binary Input • Reset / Start Input 1 input (Terminals A1, A2). Requires a 24-48 V DC pulse (suffix -11) to close the output contact after a fault or initial power-up. Visual Indication 2 LEDs: - GREEN (On): Supply healthy, correct sequence, parameters within limits. - RED (Trip): Fault condition (Loss, Unbalance, or Sequence Error). Electrical Connections Screw-clamp terminals for: - 3 Phase Voltages (L1, L2, L3). - 3 Current Inputs (From 1A secondary CTs, star-connected). - Output Contact (13-14 NO, 21-22 NC). - Reset Input (A1, A2). Isolation Reinforced insulation between all circuits: mains voltage, CT inputs, output contact, reset input. Operating Temperature -25°C to +55°C Storage Temperature -40°C to +85°C Mounting Standard 35mm DIN Rail. Housing & Protection Thermoplastic housing, IP40 (front), IP20 (terminal area). Dimensions (W x H x D) Approx. 45 mm x 100 mm x 112 mm (2 module width). Weight Approx. 0.2 kg. Certifications CE, cULus, RoHS.

Technical Parameters Parameter Category Specification Product Family / Type Self-Powered 3-Phase Voltage Monitor with Motor Start Logic Key Functions 1. Phase Sequence (Rotation) Monitoring 2. Phase Loss (Undervoltage) Detection 3. Voltage Asymmetry (Unbalance) Monitoring 4. Motor Start Supervision (Temporary adaptation of thresholds during start) Standard Compliance IEC/EN 60947-5-1 Power Supply Self-powered from the monitored three-phase line voltage (L1, L2, L3). Rated Operational Voltage (Ue) 3 x 208...480 V AC, 50/60 Hz (Phase-to-Phase). Rated Current Input (In) 1 A AC (For motor start current measurement via external Current Transformers - CTs). Monitoring Parameters & Settings • Voltage Threshold (U<) Adjustable potentiometer. Sets the general minimum voltage level for normal running. • Asymmetry (Unbalance) Threshold Adjustable potentiometer. Sets the maximum permitted voltage imbalance between phases. • Start Mode Logic When motor current is detected (via CTs), the relay automatically switches to a less sensitive "Start Voltage Threshold" for a predefined time, allowing for the expected voltage dip during start-up. • Response Time (Running) Fixed time delay to avoid transients. Output Contact • Type 1 Changeover (CO) contact (SPDT: 13-14 NO, 21-22 NC). • Rated Load 6 A at 250 V AC (AC-15). Binary Inputs • Reset/Start Input (A1/A2) 1 input. A control voltage pulse (24-240V AC/DC, as indicated by suffix -81) must be applied to close the output relay after a fault or initial energization. Indications 2 LEDs: - GREEN (On): Supply healthy, correct sequence, all parameters OK. - RED (Trip): Fault condition (Loss, Unbalance, or Sequence Error). Connection Terminals Screw-clamp terminals for: - 3 Phase Voltages (L1, L2, L3). - 3 Current Inputs (From 1A CTs, connected in Star). - Output Contact (13, 14, 21/22). - Reset Input (A1, A2). Isolation Reinforced insulation between voltage circuits, current circuits, output contact, and reset input. Operating Temperature -25°C to +55°C Storage Temperature -40°C to +85°C Mounting 35mm DIN Rail (EN 60715). Housing & Protection Thermoplastic housing, IP40 (front), IP20 (terminals). Dimensions (W x H x D) Approx. 45 mm x 100 mm x 112 mm (2 module width = 45mm). Note: Width may vary slightly with exact model version. Weight Approx. 0.2 kg.

Technical Parameters Parameter Category Specification Product Family / Type Self-Powered Three-Phase Voltage Monitoring Relay Key Monitoring Functions • Correct Phase Sequence (Phase Rotation) • Phase Loss (Undervoltage per Phase) • Voltage Asymmetry (Unbalance) Standard Compliance IEC/EN 60947-5-1 Power Supply Self-powered from the monitored three-phase voltage system. No external auxiliary supply required. Rated Operational Voltage (Ue) 3 x 208...480 V AC, phase-to-phase. (50/60 Hz). The -70 suffix in this context indicates this wide voltage range. Operating Voltage Range 0.7 to 1.1 x Ue. Rated Current Input (In) 1 A AC (This is defined by the -600- in the type code and is related to an optional current-based function for voltage dip monitoring during motor start). Monitoring Parameters & Settings • Voltage Threshold (U<) Adjustable via rotary switch. Typically sets the minimum voltage level for phase loss detection. • Asymmetry Setting Adjustable via rotary switch. Sets the permissible voltage unbalance level between phases (e.g., as a percentage). • Response Time Fixed delay to prevent nuisance tripping from transient events. • Phase Sequence Fixed for one rotation (e.g., L1-L2-L3). Trips immediately on reversal. Output Contact • Type 1 Changeover (CO) contact (SPDT: 1 NO + 1 NC). • Rated Operational Current (Ie) 6 A at 250 V AC (AC-15). Binary Input 1 Reset/Start Input (Terminals A1/A2). A control voltage (matching the -70 range: 48-250V DC/AC) must be applied to close the output relay after a fault or upon initial power-up. Indications 2 LEDs: - Green (On) : Supply OK, correct sequence, all parameters within limits. - Red (Trip) : Fault condition detected (Phase Loss, Sequence Error, or Asymmetry). Connection Screw-clamp terminals for: - 3 Phase Voltage Inputs (L1, L2, L3, N optional). - Output Contact (13, 14, 23). - Reset Input (A1, A2). - Optional Current Inputs (for PSR30 models with motor start function). Electrical Durability ≥ 100,000 mechanical operations. Isolation Reinforced insulation between voltage circuits, output contact, and reset input. Operating Temperature -25°C to +55°C Storage Temperature -40°C to +85°C Mounting Standard 35mm DIN Rail. Housing Material Self-extinguishing thermoplastic (Polyamide PA 6.6). Protection Rating IP40 (front), IP20 (terminals). Dimensions (W x H x D) Approx. 22.5 mm x 100 mm x 112 mm (1 Module width = 22.5mm). Weight Approx. 0.15 kg. Certifications CE, cULus, RoHS.

Technical Parameters Parameter Category Specification Product Family / Type Compact, Configurable Multifunction Protection Relay Standard Compliance IEC 60255, IEC 60947-1, -5-1 Rated Auxiliary Supply (Us) 48 - 250 V DC / 48 - 240 V AC, 50/60 Hz (Auto-ranging, defined by suffix -70) Rated Current Input (In) 1 A AC (Defined by -600-. -500- indicates 5 A). Configurable Functions (via DIP Switch) Selectable as one of: 1. 3-phase overcurrent (I>) 2. 2-phase overcurrent (I>) 3. 1-phase overcurrent (I>) 4. Sensitive earth-fault (I0>) 5. 3-phase OC + Earth-fault (I> + I0>) Protection Characteristics • Operate Value (Pick-up) Phase: 0.2 x In to 1.0 x In (10 steps via DIP) Earth: 0.02 x In to 0.2 x In (10 steps via DIP) • Time Delay Definite Time (DT) only. Adjustable via potentiometer: 0.06 s to 3.0 s. • Reset Time ~60 ms (Instantaneous). • Reset Ratio > 95% of operate value. • Operate Time Tolerance ±5% of set value or ±30 ms. Output Contacts • Trip Relay (K1) 1 Changeover (CO) contact (SPDT). Rating: 8 A at 250 V AC (AC-15) / 5 A at 30 V DC (DC-13). • Signal Relay (K2) 1 Changeover (CO) contact (SPDT). Configurable for trip replication or as an independent pre-alarm. Binary Input 1 programmable input for Remote Reset or Blocking function. Indications 3 LEDs: • GREEN (PWR): Supply healthy. • YELLOW (ALARM): Pre-alarm / Start signal active. • RED (TRIP): Protection operated. Burden & Consumption < 0.2 VA per current circuit at In. Typical power: < 3 W. Isolation 2.5 kV RMS (50 Hz, 1 min) between all circuits: supply, current inputs, outputs. Environmental • Operating Temperature -25°C to +55°C • Storage Temperature -40°C to +85°C • Relative Humidity ≤ 93% (non-condensing) Mechanical • Mounting Standard 35 mm DIN Rail (EN 60715). • Housing Material Self-extinguishing thermoplastic (Polyamide PA 6.6), UL94 V-0. • Protection Rating IP40 (front), IP20 (terminals). • Dimensions (W x H x D) 70 mm x 122 mm x 116 mm (4 module width). • Weight ~0.45 kg. Certifications CE, cULus, RoHS, EAC.

Parameter Category Specification Product Family / Type Compact Configurable Multifunction Protection Relay Standard Compliance IEC 60255, IEC 60947-1 Rated Auxiliary Supply Voltage (Us) 24 - 48 V DC (This is defined by the -11 suffix). Rated Current Input (In) 1 A AC (This is defined by the -600- in the type code. 600 = 1A; 500 = 5A). Configurable Functions (via DIP Switch) The relay can be configured as one of the following: 1. Three-phase overcurrent relay (I>) 2. Two-phase overcurrent relay (I>) 3. Single-phase overcurrent relay (I>) 4. Sensitive earth-fault relay (I0>) 5. Three-phase overcurrent + Earth-fault relay (I> + I0>) Protection Characteristics & Settings • Operate Value (Pick-up) Phase Fault: Adjustable from 0.2 x In to 1.0 x In via a 10-position DIP switch. Earth Fault: Adjustable from 0.02 x In to 0.2 x In via a 10-position DIP switch. • Time Delay Definite Time (DT). Adjustable via a front potentiometer: 0.06 seconds to 3.0 seconds. • Reset Time Instantaneous (approx. 60 ms). • Reset Ratio > 95% of the operate value. Output Contacts • Trip Relay (K1) 1 Changeover (CO) contact (SPDT). • Rated Load: 8 A, 250 V AC / 5 A, 30 V DC. • Signal Relay (K2) 1 Changeover (CO) contact (SPDT). • Can be configured for Trip Replication or as an independent Pre-alarm. Binary Input 1 programmable input. Can be assigned as a Remote Reset or Blocking input. Indications 3 LEDs: - GREEN (PWR): Power ON. - YELLOW (ALARM): Pre-alarm or start signal activation. - RED (TRIP): Protection has operated (trip condition). Burden < 0.2 VA per current circuit at In. Typical power consumption: < 3 W. Isolation 2.5 kV RMS between all circuits (supply, current inputs, output contacts). Operating Temperature -25°C to +55°C Storage Temperature -40°C to +85°C Mounting Standard 35mm DIN Rail (EN 60715). Housing Material Self-extinguishing thermoplastic (Polyamide PA 6.6), UL94 V-0 rated. Protection Rating IP40 (front), IP20 (terminal area). Dimensions (W x H x D) Approx. 70 mm x 122 mm x 116 mm (4 module width = 70mm). Weight Approx. 0.45 kg. Certifications CE, cULus, RoHS.

Parameter Category Specification Product Family / Type Numerical Motor Protection Relay (Electronic Overload Relay) Standard Compliance IEC/EN 60255, IEC/EN 60947-4-1, -8 Rated Auxiliary Supply Voltage (Us) 48 - 250 V DC / 48 - 240 V AC, 50/60 Hz (Auto-ranging, suffix -70) Rated Motor Current Setting (Iu) 0.1 A - 1000 A (Wide setting range, independent of hardware). The -600- in the code typically indicates the factory default or compatible CT secondary rating of 1A. Current Sensor Input Accepts signals from standard 1 A or 5 A secondary Current Transformers (CTs) or Rogowski Coils. Core Protection Functions • Thermal Overload (49) Digital thermal replica model with separate heating (during run/start) and cooling constants. Adjustable Iu (Full Load Current), Trip Class (5…40), and Ambient Temperature compensation. • Phase Unbalance / Loss (46) Protection based on negative-sequence current calculation. • Short-Circuit / Instantaneous OC (50) High-set, instantaneous trip for short-circuit protection. • Earth Fault (50N/51N) Residual current protection (via Core Balance CT or calculated). Can be set as instantaneous or time-delayed. • Locked Rotor / Stall (48/14) Separate stall protection with adjustable stall time. • Start-up Supervision Monitors start time and protects against prolonged starts. • Number of Starts / Restart Inhibit Programmable limits to prevent motor overheating from frequent starts. Configuration & Interface • Front Panel Controls Rotary Switches for setting Iu, Isd (Short Circuit), t6x (Stall Time). DIP Switches for enabling functions (Earth Fault, Unbalance), selecting CT ratio, and setting Ie (Earth Fault current). • PC Software (Optional) ABB PSRsoft for advanced configuration, real-time monitoring, and data logging via the front USB port. Output Contacts • Trip Relay (CO) 1 Changeover contact (95-96 NO, 97-98 NC). • Alarm Relay 1 (CO) 1 Changeover contact, typically pre-assigned to Thermal Pre-alarm (e.g., at 90% thermal capacity). • Alarm Relay 2 (CO) 1 Changeover contact, programmable for other alarms (e.g., Unbalance, Earth Fault, General Alarm). • Binary Inputs 2 programmable inputs for functions like External Reset, General Alarm Input, or Underload Enable. Monitoring & Indication • Measured Values Phase currents (L1, L2, L3), maximum current, earth-fault current, thermal capacity used (%), motor status. • LED Indicators 7 LEDs: PWR (Green), TRIP (Red), ALARM (Yellow), START, RUN, COMM, G.ALARM. • Fault Memory Stores the last fault type (Overload, Unbalance, Stall, Earth Fault, etc.). Communication (Optional) Can be equipped with a plug-in communication module for: Modbus RTU (RS485), Profibus DP, or DeviceNet. Motor Thermal Memory Includes a supercapacitor to retain the thermal memory and clock for several hours in case of auxiliary power loss. Operating Temperature -20°C to +60°C Storage Temperature -40°C to +85°C Mounting Standard 35mm DIN Rail (EN 60715). Housing & Protection Plastic housing, IP20 protection degree. Dimensions (W x H x D) Approx. 70 mm x 125 mm x 121 mm (4 module width = 70mm).

Technical Parameters Parameter Category Specification Product Family / Type Digital Combined Motor Starter Relay (Electronic Overload Relay + Controller) Standard Compliance IEC/EN 60947-4-1, IEC/EN 60947-5-1 Rated Auxiliary Supply Voltage (Us) 48 - 250 V DC / 48 - 240 V AC, 50/60 Hz (Auto-ranging, suffix -70) Rated Motor Current (Iu) Adjustable via display, typical range 0.1A - 600A (dependent on connected current sensors). The -600- indicates compatibility with 1A CTs, but the relay itself covers a wide range via settings. Current Sensors Requires external Current Transformers (CTs) or Rogowski Coils. Standard options: 1A or 5A secondary CTs. Core Protection Functions • Thermal Overload (49) Digital thermal replica with separate heating/cooling curves. Settings: Iu (FLC), Trip Class (5…40), Ambient Temp compensation. • Phase Unbalance (46) Protection based on negative sequence current. • Phase Loss (Fuse Blow) Detection of a missing phase. • Earth Fault (50N) Residual current protection (requires external Core Balance CT). • Locked Rotor / Stall (48) Short-time pick-up protection. • Underload (37) • Jam (Current Increase) • Number of Starts / Time Between Starts Programmable start inhibition. Control & I/O Functions • Contactor Control Built-in logic to directly command a bypass contactor (for start/stop). This is a key feature that replaces separate logic. • Digital Inputs 4 programmable inputs (e.g., Start, Stop, Reset, Remote Set). • Output Relays 4 programmable relays (Changeover contacts). Typically assigned to: Ready, Running, Alarm, Trip, or Control. Human-Machine Interface (HMI) • Display 2-line, 16-character backlit LCD for settings, Iu value, motor current, thermal capacity %, and fault messages. • Indicators 6 LEDs: PWR, RUN, TRIP, ALARM, COMM, and a multifunctional LED. • Navigation 3 buttons (Up, Down, Select/Enter) for local programming. Monitoring & Diagnostics • Measured Values Phase currents (L1, L2, L3), ground current, thermal capacity %, motor status. • Fault Memory Stores last fault type (e.g., overload, unbalance, phase loss). Communication (Optional) Can be equipped with a plug-in communication module: Profibus DP, Modbus RTU, or DeviceNet. Operating Temperature -25°C to +60°C Storage Temperature -40°C to +85°C Mounting Mounts directly on DIN rail (35mm). Physically designed to be combined with ABB contactors (e.g., AF series) for a compact starter assembly. Protection Rating IP20 Dimensions (W x H x D) Approx. 90 mm x 140 mm x 120 mm (Variable based on configuration). Key Design Feature "Bypass" Operation: After starting the motor, the relay switches the current path from its internal electronics to a parallel-connected power contactor, reducing internal heat and power loss. This is central to its "combined starter" design.

Technical Parameters Parameter Category Specification Product Family / Type Compact Multifunction Protection Relay Standard Compliance IEC 60255, IEC 60947-1 Rated Auxiliary Supply Voltage (Us) 48 - 250 V DC / 48 - 240 V AC, 50/60 Hz (Auto-ranging, suffix -70) Rated Current Input (In) 1 A AC (This is defined by the -600- in the type code). Configurable Relay Functions Set via 8-position DIP switch on front: • Three-phase overcurrent (I>) • Two-phase overcurrent (I>) • Single-phase overcurrent (I>) • Sensitive earth-fault (I0>) • Three-phase overcurrent + Earth-fault (I> + I0>) Protection Characteristics • Operate Value Range Phase: 0.5 - 5.0 x In (in 8 steps) Earth: 0.02 - 0.5 x In (in 8 steps) • Time Delay Definite Time (DT). Adjustable via potentiometer: 0.06 - 3.0 seconds. • Reset Time Approx. 60 ms (Instantaneous reset). Output Contacts • Trip Relay 1 Changeover (CO) contact (SPDT). • Rated load: 8 A, 250 V AC / 5 A, 30 V DC. • Signal Relay 1 Changeover (CO) contact (SPDT). • Can be configured for trip repetition or as a separate alarm. Binary Inputs 1 programmable input. Can be used for Remote Reset or Blocking. Indications 3 LEDs: - Green (PWR): Power ON. - Yellow (ALARM): Pre-alarm or start signal. - Red (TRIP): Protection has operated. Measurement Monitors phase currents and calculates maximum value for protection. No local display of numeric values. Operate Time Accuracy ±5% of set value or ±30 ms, whichever is greater. Burden < 0.2 VA per current input at In. Electrical Durability Output contacts: ≥ 100,000 mechanical operations; ≥ 10,000 electrical operations at rated load. Isolation 4 kV RMS between all circuits (supply, current inputs, outputs). Operating Temperature -25°C to +55°C Storage Temperature -40°C to +85°C Mounting Standard DIN rail (35mm). Housing Material Self-extinguishing thermoplastic (Polyamide). Protection Rating IP40 (front), IP20 (terminals). Dimensions (W x H x D) Approx. 70 mm x 122 mm x 116 mm (4 module width = 70mm). Weight Approx. 0.45 kg. Certifications CE, cULus, RoHS.

Technical Parameters Parameter Category Specification Product Family / Type Self-Powered Three-Phase Current Monitoring Relay Function Protection against: Phase Loss, Phase Reversal, Current Asymmetry (Unbalance). Standard Compliance IEC 60947-1, IEC 60947-5-1 Power Supply Self-powered from the monitored current transformers (CTs). No external auxiliary voltage required. Rated Current Input (In) 1 A AC (This is defined by the -600- in the type code. 600 = 1A; 500 = 5A). Operating Range 0.1 A to 1.3 A AC. Frequency 50 / 60 Hz. Monitoring Functions & Settings • Phase Loss Detection Detects if any phase current falls below the threshold setting. • Phase Asymmetry (Unbalance) Detects imbalance between phase currents. Adjustable tripping threshold (e.g., 20% to 70% of asymmetry). • Phase Sequence Monitors for correct phase rotation (e.g., L1-L2-L3). Trips on reversal. • Threshold Setting (I<) Adjustable via rotary switch (typically 0.15 - 0.95 x In) to define the minimum current level. • Response Time Fixed, typically around 0.1 to 1 second. Output Contact • Type 1 Changeover (CO) contact (SPDT: 1 NO + 1 NC). • Rated Operational Current (Ie) 6 A AC-15 / 0.5 A DC-13. • Utilization Category AC-15: 230V, 6A; DC-13: 24V, 0.5A. Binary Input 1 Reset/Start Input (Terminal A1). A voltage pulse (24-240V AC/DC) is required to close the output relay after a fault or power-up. Indications 2 LEDs: - Green (On) : Power OK, correct phase sequence, currents above threshold. - Red (Trip) : Fault condition (Phase Loss, Reversal, or Asymmetry). Connection Screw-clamp terminals for: - 3 Phase Current Inputs (L1, L2, L3). - Output Contact (13, 14, 23). - Reset Input (A1, A2). Electrical Life ≥ 100,000 cycles (at rated load). Isolation Reinforced insulation between current circuits, output contact, and reset input. Operating Temperature -25°C to +55°C Storage Temperature -40°C to +85°C Mounting Standard DIN rail (35mm TS35/7.5 or 15mm). Housing Material Self-extinguishing thermoplastic (Polyamide PA 6.6). Protection Rating IP20 (front), IP40 (housed in appropriate enclosure). Dimensions (W x H x D) Approx. 22.5 mm x 100 mm x 112 mm (1 Module width = 22.5mm). Weight Approx. 0.15 kg. Certifications CE, cULus, RoHS.

Technical Parameters Category Specification Product Series PSR - Digital Protection Relay Device Type Modular Motor Management Relay / Intelligent Motor Protector Key Standards IEC 60255, IEC 60947, ANSI/IEEE C37.90, IEC 61850 (with module) Rated Auxiliary Supply 48–250 V DC / 48–240 V AC, 50/60 Hz (Auto-sensing, suffix -70) Current Input (CT Secondary) 1 A or 5 A (Configurable, 1 A nominal shown by -600- code) Measurement Accuracy Current: ±1% of reading; Voltage: ±0.5% of reading; Power: ±2% of reading Core Protection Functions • Thermal Model (49) Dual thermal models (running/stationary), adjustable overload curve, thermal alarm (e.g., 95%), trip (100%). • Short Circuit (50/51) Phase instantaneous (I>) & time-delayed overcurrent (I>>) with IDMT/DT curves. • Stall / Prolonged Start (48/14) Separate start thermal model, adjustable stall time setting. • Phase Unbalance (46) Negative sequence protection (% of Iavg), trip delay. • Earth Fault (50N/51N/67N) Residual (calculated) or core-balance (measured) current. Instantaneous or time-delayed, directional option. • Underload / Jam (37) Minimum current or power protection. • Under/Overvoltage (27/59) Two-stage with timers. • Under/Overfrequency (81) • Restart Inhibit / Starts per Hour Programmable number of starts and minimum time between starts. Control & Logic • Integrated PLC Engine Graphical logic editor (PSRsoft) for custom control sequences, interlocks, timers, counters. • Pre-defined Control Profiles Direct-on-Line (DOL), Reversing, Star-Delta, Soft Starter, Pump, Valve, etc. Inputs/Outputs (Base + Expandable) • Binary Inputs (Discrete Inputs) 6 x 24-250V DC/AC programmable inputs (base unit). Expandable via I/O modules. • Output Relays 5 x changeover (CO) relays (base unit: Trip, 2x Alarm, 2x Programmable). Expandable. • Analog Inputs Optional module for 0/4-20 mA or PT100 temperature inputs. Human-Machine Interface • Display High-contrast graphical LCD with backlight (128 x 64 pixels). • Indicators 10+ multi-color LEDs (Power, Ready, Run, Trip, Alarm, Comms, etc.). • Navigation 6 tactile keys (Menu, Up, Down, Enter, Escape, Reset). Monitoring & Diagnostics • Measured Values Il1, Il2, Il3, Iavg, I_neg, I_earth, Vll, Vln, Freq, P, Q, S, PF, kWh, kVARh, Thermal Capacity, Starts Count, Run Hours. • Event Recorder 512 time-stamped events (trips, alarms, commands, system events). • Oscillography (Disturbance Recorder) 8 analog channels (currents/voltages), pre- and post-trigger recording. Communication • Front Port USB for local configuration (PSRsoft) and event log extraction. • Rear Communication Slots 2 independent slots for plug-in modules: - Protocols: Modbus RTU (RS485), Profibus DP, DeviceNet, IEC 61850, Modbus TCP/IP (Ethernet). - I/O Expanders: Additional digital/analog I/O modules. Clock & Synchronization Internal real-time clock; optional IRIG-B or SNTP (via comm module) for time sync. Environmental • Operating Temperature -25°C to +70°C • Storage Temperature -40°C to +85°C • Relative Humidity 5% to 95%, non-condensing • Protection Rating IP40 (front), IP20 (terminals) Mechanical • Housing Self-extinguishing plastic (UL94 V-0), modular design. • Mounting Panel-mounted (flush), requires cutout. • Dimensions (W x H x D) 144 mm x 144 mm x 122 mm (6 TE width). • Weight Approx. 1.2 kg (base unit). Certifications CE, UL, cUL, DNV GL, ATEX (optional), IECEx (optional).

Parameter Category Specification Product Family / Type Numerical Motor Protection and Control Relay (Motor Management System) Standard Compliance IEC 60255, IEC 60947-1, -4, -5, IEC 61850 (with module) Rated Auxiliary Supply Voltage (Us) 48 - 250 V DC / 48 - 240 V AC, 50/60 Hz (Auto-ranging, -70 suffix) Motor Current Input (CT Secondary) 1 A or 5 A (Configurable) Protection Functions • Thermal Overload (49) Dual (separate) thermal models for Running and Stopped states. Includes cooling time constants, service factor, and bi-metallic compensation. • Short Circuit / Instant OC (50) Instantaneous phase and earth-fault. • Start-up Supervision / Stall (48/14) Anti-stall protection with separate thermal model for starts. Start time monitoring. • Phase Unbalance & Loss (46) Negative sequence current protection with high sensitivity. • Earth-Fault (50N/51N/67N) Directional or Non-directional, residual or core balance measurement. Multiple stages. • Underload / Jam (37) Underpower or mechanical jam protection. • Under/Overvoltage (27/59) • Under/Overfrequency (81) • Number of Starts Control of successive starts and restart inhibition time. Control & Logic Features • Integrated PLC Programmable logic (PSRsoft software) for custom control sequences, interlocking, and automation. • Standard Control Profiles Direct-on-line (DOL), Star-Delta, Soft Starter, Pump, Valve control, etc. • I/O Expansion Modular slots for additional digital/analog input & output modules. Measured & Calculated Values Phase & ground currents, voltages, frequency, power (P, Q, S), power factor, energy, motor thermal capacity, starts counter, running hours. Human-Machine Interface (HMI) Large backlit graphical LCD with status, measurements, bar graphs, event log. 6 navigation keys. 9+ LED indicators. Event Logging & Oscillography Stores time-tagged fault records, alarms, operations. Optional disturbance recorder (oscillography) for pre-/post-fault current waveforms. Output Contacts • Base Unit Relays Typically 4-6 programmable changeover (CO) relays (Trip, Alarm, Control outputs). • Expandable Via additional I/O modules. Binary Inputs • Base Unit Typically 4-6 programmable digital inputs. • Expandable Via additional I/O modules (including analog inputs). Communication (Standard & Optional) • Standard Port RS485 (Modbus RTU protocol). • Plug-in Modules Supports IEC 61850, Profibus DP, DeviceNet, Modbus TCP/IP (Ethernet), CANopen. Operating Temperature -25°C to +60°C (-13°F to +140°F) Housing & Mounting Modular plastic case for panel mounting. Width varies with configuration (base unit + modules). Dimensions (Base Unit, W x H x D) Approximately 144mm x 144mm x 122mm (6TE width).

Parameter Category Specification Product Family / Type Numerical Motor Protection Relay Standard Compliance IEC 60255, IEC 60947-1, -4, -5 Rated Auxiliary Supply Voltage (Us) 24 - 48 V DC Motor Current Input (CT Secondary) 1 A or 5 A (Hardware selectable via DIP switch) Protection Functions • Thermal Overload (49) Based on motor FLC setting. Tripping characteristic matches motor thermal capacity. Separate alarm and trip settings. Cool/Start inhibit. • Short Circuit / Instant OC (50) High-set instantaneous overcurrent for short-circuit protection. • Start-up Supervision / Stall (48/14) Separate thermal model for start-up. Protects against locked rotor and prolonged starts. • Phase Unbalance / Loss (46) Protects against negative sequence currents due to phase unbalance or loss. • Earth-Fault (50N/51N) Residual current measurement (via core balance CT or derived). Instantaneous or time-delayed. • Undercurrent (37) Optional protection against pump run-dry or loss of load. • Number of Starts Programmable restriction on successive starts to prevent overheating. Setting & Configuration • Front Interface Rotary switch for Ir (FLC), Isd (SC), t6x (stall time) selection. DIP switches for Ie (EF), tE (EF delay), Iu (unbalance), etc. • PC Software Optional "PSRsoft" software for detailed configuration, monitoring, and diagnostics via USB port. Measured Values Phase currents (IL1, IL2, IL3), earth-fault current, thermal capacity used (%) Output Contacts • Trip Relay (CO) 1 Changeover contact, for tripping the circuit breaker/contactor. • Signal Relay 1 (CO) 1 Changeover contact, typically pre-assigned to Thermal Alarm. • Signal Relay 2 (CO) 1 Changeover contact, programmable for various alarms (e.g., Unbalance, Earth Fault). • Binary Inputs 2 inputs: Programmable for functions like Reset, General Alarm, Undercurrent Enable. Communication (Optional) Can be equipped with plug-in communication modules for: Modbus RTU (RS485), Profibus DP, DeviceNet. Human-Machine Interface (HMI) 7 LED indicators (Ready, Trip, Alarm, Start, Running, Comms, General Alarm). Rotary switch and DIP switches for settings. Motor Data Memory Stores thermal state for motor restart after power loss (with optional supercapacitor). Operating Temperature -20°C to +60°C (-4°F to +140°F) Housing & Mounting Compact, modular plastic case for DIN rail mounting (standard TS35 rail). Dimensions (W x H x D) Approximately 70mm x 125mm x 121mm (single module width).