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

Technical Parameters Parameter Description / Value Manufacturer Part Number 1SDAX00057R1 Product Type DC Power Supply Module for ACB Auxiliary Circuits Compatible Breaker Series ABB Emax E1 & E2 Series Air Circuit Breakers Input Voltage (AC) Commonly 230V AC (Single Phase). Other variants exist (e.g., 120V AC). This MUST be verified as it is the most critical parameter. Input Frequency 50/60 Hz Output Voltage (DC) Typically 24V DC or 48V DC (regulated). Output Power / Current Sufficient to power the trip unit and associated electronics (e.g., 50-100W range). Exact rating must be confirmed. Mounting Plug-in module, mounts directly onto the side of the Emax ACB. Protections Typically includes short-circuit and overload protection on the output side. Primary Function To provide a reliable, isolated DC control voltage for the ACB's electronic systems.

Technical Parameters Parameter Description / Value Product Designation Electronic Trip Unit - PR222MP Compatible Breaker Series ABB Tmax XT MCCBs (Frames: T4, T5, T6, T7) Trip Unit Power Supply Self-powered from line current sensors for basic protection. Requires external 24V DC auxiliary supply for full functionality (display, communication, logging, protection at very low loads). Protection Functions (Adjustable) L (Overload): Ir (0.4-1 x In), tr (delay). S (Short-time): Isd (1.5-15 x Ir), tsd (delay). I (Instantaneous): Ii (2-15 x In). G (Ground Fault): Ig (0.2-0.8 x In, or fixed mA), tg (delay). Measurement Accuracy Class 1 (per IEC 61557-12) for current and voltage. Measured Electrical Parameters Current: Ia, Ib, Ic, In Voltage: Vab, Vbc, Vca (via optional VT module) Power: P (kW), Q (kvar), S (kVA) Energy: Ep (kWh), Eq (kvarh) Other: Power Factor (PF), Frequency (Hz), %THD, Demand. Display Backlit graphical LCD. Local Interface Keypad with navigation and function keys. Standard Communication 1 x USB (Type-B) port for PC connection using ABB ETU Set software. Optional Communication Modules Plug-in modules for: • CM-MPU: Modbus RTU (RS-485) • CM-PPU: Profibus DP • CM-EPU: Ethernet (Modbus TCP) Event Recording Logs last fault events (cause, date/time, phase currents). Ambient Temperature -25°C to +70°C (operation) Standards IEC 60947-2, IEC 61557-12

Technical Parameters Parameter Description / Value Manufacturer Part Number YO-1SDA038290R1 Product Type Electronic Trip Unit (ETU) - Model PR222MP-P Compatible Breaker Series ABB Tmax XT MCCBs (T4, T5, T6, T7 frames) Rated Supply Voltage for ETU Self-powered from CTs. Requires external 24V DC auxiliary supply for full features (display, comms). Protection Functions L, S, I, G (All fully adjustable). Measurement Accuracy Class 1 (IEC 61557-12). Measured Parameters Ia, Ib, Ic, In, V (with VT module), P, Q, S, Energy, PF, Hz, etc. Display Backlit graphical LCD. Local Interface Keypad. Standard Communication Port 1 x USB (Type-B). Optional Communication Slot for plug-in modules (CM-MPU, CM-PPU, CM-EPU). Standards IEC 60947-2, IEC 61557-12

Technical Parameters Parameter Description / Value Product Type Zener Safety Barrier Application For interfacing between safe-area equipment and intrinsically safe field devices in hazardous areas. Mounting DIN Rail (35mm, EN 60715) Safe-Area Supply (Um) The maximum voltage that can be applied to the safe-area terminals. Typically 250V AC/DC. Intrinsic Safety Parameters (Hazardous Area Side): These values are defined by the "31" in the code and MUST be verified from the certificate. Typical examples may include: • Ui (Max. Input Voltage): e.g., 28V DC • Ii (Max. Input Current): e.g., 93 mA • Pi (Max. Input Power): e.g., 650 mW • Ci (Max. Internal Capacitance): e.g., 83 nF • Li (Max. Internal Inductance): e.g., 4.2 mH Output Parameters (Uo, Io, Po): The maximum voltage, current, and power the barrier can deliver to the hazardous area under normal conditions. Approved Hazardous Area Typically Gas Group IIC / IIB + H2 and Dust Group III (for the highest level of protection). Specific approval depends on certification. Temperature Class (T4, T6, etc.) Indicates the maximum surface temperature of the device. T6 is common (≤85°C). Connection Method Screw clamp terminals. Standards & Certifications ATEX, IECEx, UL/CSA (for North America). The specific approval body and certificate number (e.g., KEMA, PTB) are the most critical parameters and are marked on the device label. Required Earth Connection Mandatory. Must be connected to a high-integrity, dedicated earth/ground rail as per standards.

Technical Parameters Parameter Description / Value Product Series ABB System pro M compact® S200 Series (S2X) Device Type Rotary Isolating Switch / Switch-Disconnector Number of Poles 3 Poles (3P) Rated Operational Current (Ie) 80 A Rated Operational Voltage (Ue) Up to 690 V AC Rated Impulse Withstand Voltage (Uimp) 8 kV Utilization Category AC-22A (Switching mixed resistive and inductive loads) / AC-23A (Switching motor loads up to its rating). Rated Making & Breaking Capacity At 400V AC: Typically 10 x Ie (800A) for making, 8 x Ie (640A) for breaking. (Must confirm with official data) Short-Time Withstand Current (Icw) Typically 10 kA for 1 second (for the S2X160 frame). 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. Padlockable in OFF position (Ø5-6mm shackle, up to 3 padlocks). Standards IEC/EN 60947-3, IEC/EN 60947-1 Ambient Temperature -25°C to +60°C (operation) Modular Width 54 mm (for a 3-pole unit).

Technical Parameters Parameter Description / Value Product Designation Electronic Trip Unit - PR1/P (SACE is the legacy brand name, now under ABB) Compatible Breaker Series ABB SACE Emax E1 series Air Circuit Breakers (e.g., E1B, E1N, E1S, E1H, E1L frames). Trip Unit Power Supply Powered by an external Auxiliary Power Supply Module (e.g., ABB YU-1SDA....) mounted on the breaker, typically 24-48V DC or 110-230V AC/DC. Protection Functions Typically L (Long-time) and I (Instantaneous). May also include S (Short-time) depending on the exact model variant. Does NOT include G (Ground Fault) protection. Adjustable Settings L: Adjustable current threshold (Ir) and time delay (tr). I: Adjustable instantaneous pickup (Ii). S (if present): Adjustable short-time pickup (Isd) and delay (tsd). Measurement Displays phase currents (I1, I2, I3). More advanced measurements (power, energy) require higher-tier PR2 or PR3 units. Display Digital LCD or LED display. Local Interface Keypad for settings and navigation. Communication Often has a slot for optional plug-in communication adapters (e.g., for Modbus, Profibus). Base unit may have a service port. Event Logging Basic trip event indication. Standards IEC 60947-2