Parameters Category Parameter Typical Specification / Value for REF615C-C General Product Level "C" (Control) Hardware Variant -C (Specific I/O & Comm Configuration) Standards Compliance IEC 60255, IEC 61850, IEEE C37.90, IEC 61000-4 (EMC) Power Supply Operational Voltage Common Ranges: 24-48 V DC, 48-110 V DC, 110-250 V DC, or 110-230 V AC (Ordering code specific) Inputs Current Inputs (Iₙ) 1 A or 5 A (Defined by hardware ordering code) Voltage Inputs (Uₙ) 100-120 V or 190-230 V line-to-neutral (via Voltage Transformers) Binary Inputs (BI) Typically 16 (Configurable in groups for 24-250V DC / 110-230V AC) Outputs Output Relays Trip/Close (PO): Typically 6 (High-capacity) Signal/General (BO): Typically 8 Human-Machine Interface Display Standard LCD with status LEDs Local Control Basic navigation keypad Communication Primary Protocol IEC 61850-8-1 (MMS & GOOSE) Serial Protocols IEC 60870-5-103, Modbus RTU Optional Protocol DNP3 (Serial or over Ethernet) Physical Ports 1 x Electrical Ethernet (RJ-45), 1 x Optical Ethernet (ST), 2 x RS485 Serial Ports Core Protection Functions (ANSI) Overcurrent 67 (Dir. OC), 50/51 (Inst./Time OC), 50N/51N (Inst./Time EF), 67N (Dir. EF) Other Protection 27 (Undervoltage), 59 (Overvoltage), 49 (Thermal Overload), 79 (Autoreclosing), 81U/f (Frequency), 46 (Unbalance) Environmental Operating Temperature -25°C to +70°C (Standard industrial range) Housing Compact, IP40/IP52, for panel mounting.

Parameters Category Parameter Specification / Value for REF615E_G General Product Level "E" (Enhancement) Hardware Variant _G (Graphic Display & Enhanced Keypad) Standard IEC 60255, IEC 61850, IEEE C37.90 Power Supply Operational Voltage Ranges Typically: 24-48 V DC / 48-110 V DC / 110-250 V DC or 110-230 V AC (Ordering code specific) Inputs Current Inputs (I_n) 1 A or 5 A (hardware dependent) Voltage Inputs (U_n) 100-120 V or 190-230 V line-to-neutral (via VT) Binary Inputs (BI) Typically 16 (configurable in groups for different voltage levels) Outputs Output Relays Trip/Close (PO): Typically 6 Signal (BO): Typically 8 Human-Machine Interface Display Large, high-resolution Graphical LCD Local Control Enhanced keypad for full navigation and control Communication Primary Protocol IEC 61850-8-1 (MMS & GOOSE) Serial Protocols IEC 60870-5-103, Modbus RTU Optional Protocol DNP3 (serial or Ethernet) Physical Ports 1 x Electrical Ethernet (RJ-45), 1 x Optical Ethernet (ST), 2 x RS485 Protection Functions (Key ANSI) Overcurrent 67/67N (Dir. OC/EF), 50/51 (Inst./Time OC), 50N/51N (Inst./Time EF), 50BF (CB Fail) Other Protection 27 (Undervoltage), 59 (Overvoltage), 49 (Thermal O/L), 79 (Autorecloser), 81U/f (FreQ), 46 (Unbalance) Environmental Operating Temperature Standard: -25°C to +70°C Housing & Mounting Compact, IP40/IP52 rated, for panel mounting.

Parameters Category Parameter Typical Specification / Value Power Supply Operational Voltage 24-48 V DC / 48-110 V DC / 110-250 V DC or 110-230 V AC Current Inputs Rated Current (I_n) 1 A or 5 A (hardware specific) Thermal Withstand Continuous: 4 x I_n; 1 sec: 100 x I_n Voltage Inputs Rated Voltage (U_n) 100-120 V line-to-neutral or 190-230 V line-to-neutral (via VT) Binary Inputs (BI) Number Typically 16 (including 1 for CB position) Voltage 24-250 V DC / 110-230 V AC (configurable in groups) Output Relays (BO/PO) Trip/Close Relays (PO) Typically 6 (fast, high-breaking capacity) Signal Relays (BO) Typically 8 (general purpose) Communication Primary Protocol IEC 61850-8-1 (MMS & GOOSE) Serial Protocols IEC 60870-5-103, Modbus RTU Optional Protocols DNP3 (serial or over Ethernet) Ports 1 x Electrical Ethernet, 1 x Optical Ethernet (ST), 2 x RS485 serial Protection Functions Key ANSI/IEC Codes 67/67N (Dir. OC/EF), 50/51 (OC), 50N/51N (EF), 59 (OV), 27 (UV), 49 (Thermal), 46 (Phase Unbalance), 79 (Recloser), 81 (U/f), 50BF (CB Failure) Standards Compliance IEC 60255, IEEE C37.90, IEC 61000-4 (EMC), IEC 60870, IEC 61850

Technical Specifications / Parameters Parameter Specification Manufacturer Model REF615E-E Product Family / Series ABB Relion® 615 Series (Feeder Protection - "E" Variant) Device Type Compact Numerical Feeder Protection Relay (Economy/Essential Version) Housing Compact case (similar in size to the "K" case, optimized for space efficiency). Key Protection Functions Core protection functions typically include: • Overcurrent Protection (50/51, 50N/51N) – Primary function for phase and earth faults. • Directional Overcurrent (67/67N) – May be available or as an option. • Sensitive Earth-Fault Protection • Thermal Overload (49) for cable protection • Breaker Failure Protection (50BF) – May be standard or optional. • Under/Overvoltage (27/59) • Auto-reclosing (79) – Often a key optional feature. Control & Monitoring Streamlined compared to full versions: • Basic programmable logic • Event recorder • Fault recorder (disturbance recorder) – May have limited duration. • Essential measurements: V, I, P, Q, PF, Frequency. Communication Protocols Focus on essential and common protocols: • IEC 61850 – Likely supported but potentially with a reduced feature set (e.g., GOOSE may be optional). • Modbus RTU (serial) – Standard for SCADA/DCS integration. • IEC 60870-5-103 – Common in many regions. • IEC 61850 MMS, DNP3, Modbus TCP may be optional. Hardware I/O (Typical) Reduced I/O count compared to REF615J/K: • Binary Inputs: ~6 (24-250V DC) • Binary Outputs (Relays): ~4-6 (Form-A contacts) • Analog Inputs: 4 current (1A/5A), voltage inputs may be optional or fixed. • Communication Ports: 1-2 serial ports (RS485), Ethernet may be optional. Human-Machine Interface (HMI) • LCD display (potentially smaller or monochrome) for status and measurements. • Front navigation keys. • Essential status LEDs. Power Supply Standard wide-range options: 24-48/60V DC or 110-240V AC/DC. Standards & Certifications IEC 60255 (core), IEC 61850 (if equipped), UL 508, CE. Mounting DIN Rail Mounting (primary) or panel mounting. Configuration Software Configured using ABB's PCM600 software (potentially with a license or feature key for advanced functions).

Technical Specifications / Parameters Parameter Specification Manufacturer Model REF615J Product Family / Series ABB Relion® 615 Series (Feeder Protection) Device Type Numerical Feeder Protection and Control Relay Housing "J" Case (Standard depth design, offering a balanced profile for panel integration). Key Protection Functions • Overcurrent Protection (50/51, 50N/51N) with multiple independent, time-delayed or instantaneous stages • Directional Overcurrent Protection (67/67N) • Sensitive Directional Earth-Fault Protection • Thermal Overload Protection (49) for cables and motors • Phase Imbalance / Negative Sequence (46) • Breaker Failure Protection (50BF) • Under/Overvoltage (27/59) & Under/Overfrequency (81O/U) • Auto-reclosing (79) (for overhead lines) • Inrush Current Restraint (to prevent transformer magnetizing inrush misoperation) Control & Monitoring • Advanced Programmable Logic using CAP (Configuration and Planning) editor in PCM600 • Sequence of Events (SOE) Recorder with high-resolution time-stamping • Disturbance Recorder (Fault Recorder) for detailed fault analysis • Comprehensive Metering: V, I, P, Q, PF, Energy, Harmonics, etc. • Circuit Breaker Condition Monitoring (operating time, trip count, wear estimation) Communication Protocols • IEC 61850 (Edition 2) for station bus communication (MMS, GOOSE for high-speed peer-to-peer signaling) • IEC 60870-5-103 & IEC 60870-5-104 • Modbus RTU (serial) & Modbus TCP/IP (over Ethernet) • DNP3 (Serial & TCP) • IEC 61850 over MMS for SCADA integration Hardware I/O (Typical Configuration) • Binary Inputs: 9-12 (24-250V DC, configurable) • Binary Outputs (Relays): 8-10 (Form-A or Form-C contacts) • Analog Inputs: 4 current (1A/5A), 4 voltage (100-120V line-to-neutral) • Ethernet Ports: 2 or 4 (RJ45, copper or optional fiber) • Serial Ports: 1-2 (RS485/RS232) Human-Machine Interface (HMI) • High-contrast graphical LCD display • Intuitive menu navigation with front-panel keys • LED Indicators for status, alarms, and trip • Multilingual text support Power Supply Wide-range options: 24-48V DC, 60-250V DC, or 110-240V AC/DC. Standards & Certifications IEC 60255, IEC 61850, IEEE C37.90, UL 508, CE, DNV, and other industry-specific certifications. Mounting Panel mounting (flush or surface) or DIN Rail Mounting (with optional kit). Configuration Software ABB PCM600 (Protection and Control IED Manager) for parameter setting, logic configuration, and commissioning.

Technical Specifications / Parameters Parameter Specification Manufacturer Model REF615K Product Family / Series ABB Relion® 615 Series (Feeder Protection) Device Type Numerical Feeder Protection and Control Relay Housing Compact "K" Case (Depth-reduced design for space-constrained panels). Key Protection Functions • Overcurrent Protection (50/51, 50N/51N) with multiple independent stages • Directional Overcurrent Protection (67/67N) • Earth-fault Protection (Sensitive and directional) • Phase Reversal (46) • Thermal Overload (49) for motor/cable protection • Breaker Failure Protection (50BF) • Under/Overvoltage (27/59) & Under/Overfrequency (81) • Auto-reclosing (79) Control & Monitoring • Programmable Logic (PLC-like) via CAP (Configuration and Planning) tools • Sequence of Events (SOE) Recorder • Disturbance Recorder (Fault recorder) • Measurement of V, I, P, Q, PF, Hz, etc. • Circuit Breaker Monitoring (wear, trip count) Communication Protocols • IEC 61850 (Edition 2) for station-level communication (MMS, GOOSE) • IEC 60870-5-103 & IEC 60870-5-104 • Modbus RTU & TCP/IP • DNP3 (Serial & TCP) Hardware I/O (Typical) • Binary Inputs: 9 (24-250V DC) • Binary Outputs (Relay): 8 (form-A contacts) • Analog Inputs: 4 current (1A/5A), 4 voltage (100-120V) • Ethernet Ports: 2 or 4 (RJ45, for IEC 61850/Modbus TCP) • Serial Ports: 2 (RS485/RS232) Human-Machine Interface (HMI) • Large, high-resolution graphical LCD display • Multilingual text support • Front-face navigation keys and LED indicators Power Supply Wide-range 24-48/60V DC or 110-240V AC/DC. Standards & Certifications IEC 60255, IEC 61850, IEEE C37.90, UL 508, CE, DNV-GL, ATEX (for specific variants). Mounting Panel or DIN Rail Mounting (optional bracket).

Technical Specifications / Parameters Parameter Specification Manufacturer Type Code TA25DU-19 Brand / Series ABB Relays & Sockets (TA/TA25 Series) Device Type 8-pin Octal Relay Socket (Base, Holder) Compatible Relays Standard 8-pin (Octal) plug-in relays and timers from ABB and other major manufacturers (e.g., ABB TA/UE series, other IEC 60715 compatible devices). • Pin Configuration: Typically follows the standard 8-pin layout (pins 1-8 arranged in a circle). Terminals Screw clamp terminals for secure connection of control wires. Terminal Capacity Typically accepts 0.5 - 2.5 mm² (AWG 20-14) solid or stranded copper conductors. Mounting DIN Rail Mounting (35mm top-hat rail). May also have provisions for panel screw mounting. Material (Body) Thermoplastic (e.g., Polyamide 66), flame-retardant and self-extinguishing (UL 94 V-0). Locking Mechanism Likely includes a spring-steel retaining clip or lever to securely lock the relay into the socket and prevent vibration-induced disconnection. Mounting Width Compact, typically 22.5 mm (approx. 1.25 DIN modules). Electrical Rating (Socket) The socket itself is rated for the maximum current of the relays it accepts, typically up to 10A per contact at 250V AC. Standards & Approvals IEC/EN 60715 (Dimensions), UL 508, CSA C22.2 No. 14, CE. Application Provides a reliable and service-friendly connection point for control relays, timers, and contactors in industrial control panels, PLC output extensions, and automation systems.

Technical Specifications / Parameters Parameter Specification Manufacturer Type Code GDA204-AC Brand / Series ABB GDA Series (Insulated Enclosures for RCDs/RCBOs) Product Type Insulated Enclosure / Surround / Casing (for a 4-pole RCD module) Compatible Devices Designed to house a standard ABB 4-pole RCCB or RCBO from the GSH200 series or equivalent (e.g., a GSH204-XX device). The "-AC" suffix indicates it is a standard enclosure, not defining the RCD type inside. Material High-grade, flame-retardant thermoplastic (e.g., Polycarbonate). Provides Double Insulation (Class II) protection symbol. Protection Degree Typically IP20 (for protection against solid objects, not against water). Mounting DIN Rail Mounting (35mm). The enclosure snaps onto the rail, and the RCD module then snaps into the enclosure. Module Width Adds minimal extra width to the housed RCD. A standard 4-pole RCD (72mm) inside this enclosure will have a total width of approximately 72mm + enclosure thickness. Key Safety Feature Completely covers the sides and front edges of the RCD module, preventing accidental contact with the metallic DIN rail clip or any exposed terminal areas from the side. The operator (test button, switch lever) remains accessible. Color Typically white or grey, to match standard consumer unit aesthetics. Standards Complies with relevant parts of IEC/EN 61439 (Low-voltage switchgear assemblies) regarding enclosures. Application Used in consumer units (distribution boards), panelboards, and enclosures where an extra layer of user safety and insulation is required for the RCD component.

Technical Specifications / Parameters Parameter Specification Manufacturer Type Code GSH204A-C20/0.03 Brand / Series ABB System PRO M compact® (GSH200 Series - RCBO) Device Type Type A Residual Current Circuit Breaker with Overcurrent Protection (RCBO) Number of Poles 4-Pole (4P) (Protects phases L1, L2, L3, and Neutral) Rated Current (In) 20 A (Continuous current carrying and overcurrent protection rating) Tripping Characteristic (Overcurrent) C Curve (Standard magnetic tripping for general-purpose loads). • Instantaneous Magnetic Trip Range: 5In to 10In (i.e., 100A to 200A). Rated Residual Operating Current (IΔn) 30 mA (0.03A) (High sensitivity for personal protection against electric shock). Residual Current Type Type A: Sensitive to sinusoidal AC residual currents AND pulsating DC residual currents. Rated Operational Voltage (Ue) 400 V AC (3P+N~) Rated Breaking Capacity (Icn) 6 kA (According to IEC/EN 61009-1) Mechanical Life ≥ 20,000 operations Test Button Yes (Built-in "T" button for functional testing). Mounting DIN Rail Mounting (35 mm symmetrical top-hat rail, EN 60715) Module Width 72 mm (4 modules) Standards Compliance IEC/EN 61009-1 (RCBOs), CE, CCC, and other regional approvals. Terminals Cage Clamp Terminal (screwless clamp technology). Connectable Conductors Rigid and Flexible Copper: 1 - 25 mm² (typical range for 20A rating). Ambient Temperature Range -25°C to +55°C (for calibration).

Technical Specifications / Parameters Parameter Specification Manufacturer Type Code SA/S 8.16.1 Brand / Series ABB SA Series (Electromechanical Energy Meters) Device Type Single-Phase Induction Watt-Hour Meter (kWh Meter) Measurement Type Active Energy (kWh) Connection Type Direct Connection (No current transformers required). Rated Voltage (Un) Typically 230V AC, 50/60 Hz (Standard for single-phase systems). Current Ratings Basic Current (Ib): 8 A Maximum Current (Imax): 16 A This means the meter is designed to measure accurately from very low loads up to 16A continuously. Accuracy Class The suffix .1 strongly indicates it is a Class 1 meter (meeting IEC 62053-11 standards), meaning its maximum permissible error is ±1% under specified conditions. Starting Current Very low, typically ≤ 0.5% of Ib (e.g., ≤ 40 mA), allowing it to measure tiny loads accurately. Display Mechanical counter (cyclometer) with 5 or 6 digits, displaying cumulative kWh consumption. Operation Principle Induction motor principle. The voltage and load currents create magnetic fields that induce eddy currents in a rotating aluminum disc. The disc's rotation speed is proportional to the instantaneous power, and its total revolutions are proportional to the energy consumed. Mounting Designed for DIN Rail Mounting (35mm) or sometimes panel mounting via a snap-on bracket. Terminals Screw terminals for direct connection of line and load wires. Dimensions Compact, typical width of 72 mm (4 DIN modules). Operating Temperature Typically -25°C to +55°C. Standards & Approvals IEC 62053-11 (Class 1 AC active energy meters), MID (Measuring Instruments Directive) certified for billing purposes in applicable regions

Technical Specifications / Parameters Parameter Specification Manufacturer Type Code GSH204 AC-D40/0.03 Brand / Series ABB System PRO M compact® (GSH200 Series - RCBO) Device Type D-Curve Residual Current Circuit Breaker with Overcurrent Protection (RCBO) Number of Poles 4-Pole (4P) (Protects phases L1, L2, L3, and Neutral) Rated Current (In) 40 A (Continuous current carrying and overcurrent protection rating) Tripping Characteristic (Overcurrent) D Curve (Very high inrush tolerance). • Instantaneous Magnetic Trip Range: 10In to 20In (i.e., 400A to 800A). Rated Residual Operating Current (IΔn) 30 mA (0.03A) (High sensitivity for personal protection against direct and indirect contact). Residual Current Type Type AC: Detects sinusoidal alternating residual currents only. Rated Operational Voltage (Ue) 400 V AC (3P+N~) Rated Breaking Capacity (Icn) 6 kA (According to IEC/EN 61009-1) Mechanical Life ≥ 20,000 operations Test Button Yes (Built-in "T" button for functional testing). Mounting DIN Rail Mounting (35 mm symmetrical top-hat rail, EN 60715) Module Width 72 mm (4 modules) Standards Compliance IEC/EN 61009-1 (RCBOs), IEC/EN 61008-1 (General requirements for RCCBs), CE, CCC, and other regional approvals. Terminals Cage Clamp Terminal (screwless clamp technology) for easy and secure wiring. Connectable Conductors Rigid and Flexible Copper: 10 - 35 mm² (typical range for 40A rating). Ambient Temperature Range -25°C to +55°C (for calibration; derating may apply at higher temperatures).

Technical Specifications / Parameters Parameter Specification Manufacturer Type Code GSH204 AC-D32/0.03 Brand / Series ABB System PRO M compact® (GSH200 Series - RCBO) Device Type D-Curve Residual Current Circuit Breaker with Overcurrent Protection (RCBO) Number of Poles 4-Pole (4P) (L1, L2, L3, N) Rated Current (In) 32 A Tripping Characteristic (Overcurrent) D Curve (High inrush tolerance. Instantaneous magnetic tripping range: 10In to 20In, i.e., 320A to 640A). Rated Residual Operating Current (IΔn) 30 mA (0.03A) Residual Current Type Type AC: For sinusoidal AC residual currents only. Rated Operational Voltage (Ue) 400 V AC (3P+N~) Rated Breaking Capacity (Icn) 6 kA (IEC/EN 61009-1) Mechanical Life ≥ 20,000 operations Test Button Yes. Mounting DIN Rail Mounting (35 mm symmetrical rail) Module Width 72 mm (4 modules) Standards Compliance IEC/EN 61009-1, CE, CCC, etc. Terminals Cage Clamp Terminal. Connectable Conductors Rigid/Flexible Copper: 4 - 25 mm² (suitable for 32A). Ambient Temperature Range -25°C to +55°C