Technical Parameters Parameter Description / Value Product Series ABB Relion® / REF 54x (Feeder Protection) Device Type Numerical Bay Controller & Protection Relay Application Feeder, Motor, Transformer Backup Protection & Control Standard Protection Functions (Based on firmware M129): Non-directional phase & residual overcurrent (50/51, 50N/51N), Thermal overload (49), Breaker Failure (50BF), Multiple setting groups. Control Functions Circuit breaker control (open/close), interlocking, synchrocheck, auto-reclosing. Rated Input Current 1 A or 5 A (from Current Transformers - CTs) Rated Input Voltage 100-120V or 220-240V (from Voltage Transformers - VTs), depending on order. Auxiliary Supply Voltage Determined by first "A": Wide range AC/DC (e.g., 48-250V) or specific (e.g., 110V DC). Must be verified from code table. Binary Inputs (BI) Number and voltage level (e.g., 24/48/110/220V DC) determined by module choices ("A"s). Binary Outputs (BO/Relays) Number and contact rating (e.g., 250V AC, 5A) determined by module choices ("A"s). Communication Interfaces Determined by module choices ("A"s): Typically includes: • Front port: RS-232/RS-485 for local PC. • Rear ports: Ethernet (IEC 61850, Modbus TCP), optical serial (IEC 60870-5-103). Protocols IEC 61850, IEC 60870-5-103/104, Modbus TCP/RTU, DNP3.0, PROFIBUS-DP. Standards IEC 60255, IEC 61850, IEEE C37.90

Technical Parameters Parameter Description / Value Product Series ABB Moeller Series MT (Motor Protective Circuit Breakers) Device Type Motor Protective Circuit Breaker / Manual Motor Starter (MPCB) Frame Size MT25 Rated Operational Current (Ie) The "H1" suffix determines this. Typically, for an MT25H1, the adjustable overload current range is around 0.25 - 25 Amps (Example). Must be verified with the official chart. Utilization Category AC-3 (Squirrel cage motor starting, switching off during running) Poles 3 Poles for main power circuit (standard for three-phase motors). Rated Operational Voltage (Ue) Up to 690 V AC Rated Insulation Voltage (Ui) 690 V Short-Circuit Breaking Capacity (Icu/Ics) Typically very high for its size, e.g., 50 kA @ 400V AC (IEC 60947-2). Must be confirmed. Motor Power Range Corresponding to its current setting range, e.g., ~0.12 kW - 11 kW @ 400V 3ph. Trip Class Typically Class 10 (Trip time within 10 seconds at 7.2 x Ir). This is standard for general-purpose motor protection. Built-in Auxiliary Contacts "H1" indicates a specific configuration. Commonly 1 NO (Normally Open) + 1 NC (Normally Closed) auxiliary contact for signaling or control interlocking. Control Method Manual rotary handle (ON-OFF-RESET). Standards IEC/EN 60947-2, IEC/EN 60947-4-1 Ambient Temperature Typically -25°C to +60°C (compensated).

Technical Parameters Parameter Description / Value Module Designation Panel-Mounted HMI and Communication Module Package Compatible Series ABB Relion® 615/615 Series Protection Relays Display Graphical LCD with backlight. User Interface Functional push-buttons for navigation and control. Primary Communication IEC 61850-8-1 (MMS) over dual 10/100Base-TX Ethernet ports (RJ-45 connectors). Supported Protocols (Enabled via relay firmware) IEC 61850, IEC 60870-5-103/104, Modbus TCP/RTU, DNP3.0. Mounting Integrated into the relay's front panel assembly, designed for flush mounting on a panel door. Front Protection Degree Typically IP54 (dust and water splash protection) when installed. Standards Compliance EMC immunity and emission according to IEC 60255-26.

Technical Parameters Parameter Description / Value Manufacturer Part Number UVR-1SDA063552R1 Product Type Shunt Trip Coil / Remote Opening Release Compatible Breaker Series ABB Tmax XT MCCBs (e.g., T1...T7 frames). Must verify specific compatibility list. Operating (Trip) Voltage AC 230V, 50/60 Hz (This is a common rating for this part number. Must be confirmed via datasheet as other voltages exist). Coil Power Consumption Typically ~15-20 VA (inrush), ~3-5 W (holding). Mechanical Operation Instantaneous. When energized, it trips the breaker. It requires manual reset of the breaker handle after tripping. Electrical Connections 2 screw terminals (for control circuit wiring). Mounting Position Side-mounted on the left or right side of the compatible MCCB (depends on breaker model). Insulation Voltage Suited for control circuits up to 250V AC. Ambient Temperature Typically -25°C to +70°C (operational). Standard IEC/EN 60947-2

Technical Parameters Parameter Description / Value Manufacturer Part Number SOR-1SDA063548R1 Product Type Shunt Opening Release (Shunt Trip Coil) Compatible Breaker Series ABB Tmax XT MCCBs (e.g., T1, T2, T3, T4, T5, T6 frames). Must verify specific compatibility. Rated Control Supply Voltage (Us) AC 110V, 50/60 Hz (This is a common rating for this specific part number. The voltage MUST be confirmed via the official datasheet or the label on the device itself.) Power Consumption Typical: ~15 VA inrush, ~4.5 W holding. Operation Type Momentary. The breaker trips when the coil is energized. The breaker handle must be manually reset to the "OFF" position and then to "ON" after a trip. Electrical Connections 2 screw terminals for control wiring. Mounting Position Side-mounted on the left or right side of the compatible MCCB. Insulation Suitable for control circuits. Ambient Temperature Standard industrial range (e.g., -25°C to +70°C). Applicable Standard IEC/EN 60947-2

Technical Parameters Parameter Description / Value Product Series / Family Tmax XT (incorporating T6 Series) Breaker Type Molded Case Circuit Breaker (MCCB) Frame Size / Rated Current (In) 800 A (This is the maximum current rating for the physical frame). Rated Operational Voltage (Ue) Up to 690 V AC Number of Poles Typically 3 Poles as standard. Breaking Capacity Category Not Specified. Must be defined by a suffix (L, S, H, V). • L (Low): ~35kA • S (Standard): ~50kA • H (High): ~70kA @ 415V AC • V (Very High): ~100kA @ 415V AC (Values are illustrative; confirm with official data for specific voltage). Trip Unit Type Not Specified. Common options: • A: Fixed Thermal-Magnetic (non-adjustable). • P: Adjustable Thermal-Magnetic. • E: Electronic Trip Unit (PR221/222). Protection Functions (if Thermal-Magnetic 'A') Thermal (L) overload and Magnetic (I) short-circuit protection. Standard IEC 60947-2 Electrical Durability Typically 5,000 - 8,000 operations at rated current. Common Accessories Auxiliary contacts (OF/SD), shunt trip (SOR), undervoltage release (UVR), rotary handle, padlock kits.

Technical Parameters Parameter Description / Value Product Series / Family Tmax XT (incorporating T6 Series) Breaker Type Molded Case Circuit Breaker (MCCB) Frame Size / Rated Current (In) 630 A (Maximum current rating for this physical frame). Rated Operational Voltage (Ue) Up to 690 V AC Number of Poles Typically 3 Poles as standard. Breaking Capacity Category Not Specified. Must be defined by a suffix (L, S, H, V). • L (Low): ~35kA • S (Standard): ~50kA • H (High): ~70kA @ 415V AC • V (Very High): ~100kA @ 415V AC (Values are frame-dependent and illustrative; confirm with official data for specific voltage). Trip Unit Type Not Specified. Common options: • A: Fixed Thermal-Magnetic (non-adjustable, standard curve). • P: Adjustable Thermal-Magnetic. • E / PR221/PR222: Electronic Trip Unit (with adjustable L, S, I, G functions). Protection Functions (if Thermal-Magnetic 'A') Thermal (inverse-time) overload and Magnetic (instantaneous) short-circuit protection. Standard IEC 60947-2 Electrical Durability Typically 6,000 - 8,000 operations at rated current. Common Accessories Auxiliary contacts (OF/SD), shunt trip (SOR), undervoltage release (UVR), rotary handle (FHH), padlock kits, door interlocks.

Technical Parameters Parameter Description / Value Product Series Emax (First Generation - E1) Breaker Type Air Circuit Breaker (ACB), Fixed Version Frame Size E1N (1600A Frame) Rated Current (Ir) 1600 A (Fixed setting) Rated Operational Voltage (Ue) Up to 690 V AC Breaking Capacity Category Normal (N) Ultimate Breaking Capacity (Icu) Typically 50 kA @ 415V AC (Example for E1N frame. Must be verified from catalogue for exact voltage). Service Breaking Capacity (Ics) Typically 50 kA @ 415V AC (Ics = Icu for Category N). Trip Unit PR121/P - Electronic, Basic version. Protection Functions L (Fixed Overload), I (Fixed Instantaneous). NOT INCLUDED: S (Short-time), G (Ground Fault). Number of Poles 3 Poles (3P) Communication The basic PR121/P-LI unit typically has no built-in communication ports. For communication, an upgraded trip unit (e.g., PR121/P-LSI with communication module) would be required. Control Voltage Requires an external auxiliary power supply (e.g., 24-48V DC or 110-230V AC) for the trip unit and spring charging motor. Standard IEC 60947-2

Technical Parameters Parameter Description / Value Product Series ABB OS Series (Rotary Isolating Switch) Device Type Switch-Disconnector, Load Break Switch Number of Poles 2 Poles (2P) Rated Operational Current (Ie) 32 A Rated Operational Voltage (Ue) Up to 690 V AC Rated Impulse Withstand Voltage (Uimp) 6 kV Utilization Category AC-22A / AC-23A (Suitable for switching mixed resistive and inductive loads, such as motor loads). Rated Making & Breaking Capacity At 400V AC: Typically 10 x Ie (320A) for making, 8 x Ie (256A) for breaking. (Must confirm with official data) Mechanical Durability Typically > 20,000 operating cycles (no load). Electrical Durability Typically > 10,000 operating cycles at rated current. Terminals Screw clamp terminals, suitable for solid and stranded conductors. Mounting DIN Rail Mounting (35mm, EN 60715). Control Manual rotary handle (0°=OFF, 90°=ON). Safety Features Padlocking facility in OFF position (up to 3 padlocks). Standards IEC/EN 60947-3, IEC/EN 60947-1 Ambient Temperature -25°C to +60°C (operation)

Technical Parameters Parameter Description / Value Manufacturer Part Number YU-1SDA085619R1 Product Type Control Power Supply & Auxiliary Contact Block Compatible Series ABB Emax Series Air Circuit Breakers (E1, E2) Power Supply Input Voltage Typically designed for a wide AC/DC range (e.g., 110-240V AC/DC). *The "E1/6" variant is commonly associated with 220/230V AC. The exact specification must be verified.* Primary Functions 1. Supplies power to the Electronic Trip Unit. 2. Provides programmable auxiliary contacts. Auxiliary Contact Configuration E1/6 (Standard for this part): 1 NO + 6 Changeover (SPDT) contacts. • Total Contacts: 7 pairs (13 terminals: 2 for power, 11 for contacts). Contact Ratings Typical (IEC 60947-5-1): • AC-15: 240V, 2.5A • DC-13: 24V, 2A (Always confirm with official data sheet) Mounting Side-mounted onto the dedicated socket of compatible Emax ACBs. Standard IEC 60947-5-1 (Control circuit devices and switching elements)

Technical Parameters Parameter Description / Value Product Series ABB VD4 Type Fixed-mounted, Spring-operated Vacuum Circuit Breaker Rated Voltage (Ur) 12 kV Rated Frequency 50/60 Hz Rated Normal Current (Iu) 1200 A Rated Short-Time Withstand Current (Ik) 25 kA (for 3 seconds, typically) Rated Short-Circuit Breaking Current (Isc) 25 kA Rated Making Current 62.5 kA (peak) Rated Lightning Impulse Withstand Voltage (Up) 75 kV (across open contacts) Rated Power-Frequency Withstand Voltage (1 min) 28 kV Interrupting Medium Vacuum Operating Mechanism Spring stored-energy mechanism Mechanical Endurance Typically ≥ 10,000 operations Electrical Endurance (at Isc) Typically ≥ 30 operations at full rated short-circuit current Control Supply Voltage Standard options: DC 24V, 48V, 110V, 220V; AC 110V, 220V. (Specific to order.) Standards IEC 62271-100, ANSI/IEEE C37.04, C37.06, C37.09 Typical Applications Incoming/outgoing feeders in primary distribution substations, transformer protection, large motor switching.

Technical Parameters Parameter Description / Value Product Series Emax (E1/E2 Generation) Breaker Type Air Circuit Breaker (ACB), Draw-Out Version (WHR) Frame Size E2N (1600A Frame) Rated Current (Ir) 1600 A (Fixed setting) Rated Operational Voltage (Ue) Up to 690 V AC Breaking Capacity Category Normal (N) Ultimate Breaking Capacity (Icu) Typically 50 kA @ 415V AC (Example for E2N frame). Must be verified from catalogue. Service Breaking Capacity (Ics) Typically 50 kA @ 415V AC (Ics = Icu for Category N). Trip Unit PR121/P - Electronic Protection Functions L (Overload), S (Short-time delay), I (Instantaneous). G (Ground Fault): NOT PRESENT/ACTIVE (NST). Racking Mechanism Screw-type or push-pull type crank for moving between CONNECTED, TEST, and DISCONNECTED positions. Control Voltage Required for spring charging motor and trip unit (e.g., 110-240V AC/DC). Standards IEC 60947-2