Parameter Category Specification Series / Frame ABB SACE Emax, E1 Frame (E1.2) Rated Operational Current (In) 1000 A (Frame rating). Trip setting (Ir) adjustable down to ~400A (per R400 code interpretation). Rated Operational Voltage (Ue) 690 V AC Rated Insulation Voltage (Ui) 1000 V AC Poles 3 Breaking Capacity (Icu at 400V AC) 65 kA (N version) Mounting Draw-out (Withdrawable) on a truck. Trip Unit PR121/P Electronic Trip Unit Protection Functions LI (Long-time & Instantaneous only) • L (Ir): Adjustable, likely range 0.4 - 1.0 x In (400A - 1000A). The R400 may set a base. • I (Ii): Adjustable (e.g., 2 - 14 x In) or OFF. • NO Short-time (S) Delay. Standard Included Accessories • Draw-out Truck (W) with safety interlocks. • Handle/Door Coupling Kit (H). • Shunt Trip (MX) (R) for remote opening. Typical Additional (Optional) Accessories • Electric Charging Motor (M) - NOT in code. Must verify if included. • Auxiliary Contacts (OF/SD) - NOT in code. Must verify. • Undervoltage Release (MN) - NOT in code. Must verify. Control Voltage Shunt Trip (R) requires an external control supply (e.g., 110V DC, 220V DC, 230V AC). Must be specified separately. Operation Spring-operated stored energy mechanism. Closing can be manual or electrical (requires separate closing release - XF). Charging is likely manual unless Motor (M) is specified. Communication The PR121/P trip unit supports communication via an optional add-on module (Ekip Com) for Modbus, Profibus, etc. Standards IEC 60947-2, UL 489 Typical Application Feeder protection for large loads or sub-distribution where instantaneous tripping is acceptable and selective coordination is provided upstream or is not critical.

Parameter Category Specification Parent System Designed for integration into ABB UniGear ZS1 or similar MV switchgear panels. Input Power Supply • Voltage: Typically accepts a 3-phase + Neutral input from an external LV source. Common ratings: 400V AC, 50/60 Hz or 480V AC, 60 Hz. • Connection: Via terminal blocks or plug-in connector at the rear of the unit. Core Components (Typical) 1. Main LV Incoming Switch/Isolator: A miniature circuit breaker (MCB) or molded case switch for isolation and protection of the entire CSU. 2. Control Transformer(s): Steps down voltage to standard control voltages (e.g., 230V AC, 120V AC, 110V AC, 24V DC). 3. Distribution & Protection: Multiple outgoing circuits protected by MCBs or fuses for: - Heating & Dehumidification (H) - Lighting (L) - Socket Outlets (S) - Protection & Control Relays (Prot) - Motor Operating Mechanisms (for circuit breakers/disconnectors) 4. Terminal Blocks: For connecting external field wiring to the distributed services. Output Circuits (Typical) • AC Power Outlets: 1-Phase, 230V (e.g., for soldering iron, test equipment). • DC Power Supply: 24V DC or 48V DC for protection relays, PLCs, and electronic devices. • Heating Circuit: 230V AC for space heater to prevent condensation. • Lighting Circuit: 230V AC or 120V AC for internal panel lighting. • Auxiliary Supply: For spring charging motors, indicator lamps. Mounting Mounts on a dedicated draw-out chassis or fixed rails inside a standard UniGear compartment (often below the relay compartment). Connection Plug-in or fixed wiring to the MV panel's internal wiring harness. Safety Features • Clear segregation of circuits. • Individual protection for each outgoing circuit. • Door interlock possible for the main isolator. • Insulated covers and shrouds. Physical Dimensions Compact, designed to fit within a standard UniGear module width (e.g., 350mm, 400mm, 500mm). Benefits • Standardization: Ensures consistent auxiliary power design across all panels. • Safety: Centralized, properly protected LV distribution reduces wiring errors and hazards. • Maintenance: Entire unit can be easily accessed, tested, or replaced. • Documentation: Supplied with clear wiring diagrams.

Parameter Category Specification Series / Frame ABB SACE Emax, E3 Frame Rated Operational Current (In) 1250 A (Continuous current at 40°C ambient). This typically corresponds to the E3.2 or E3.3 specific model within the E3 frame. Rated Operational Voltage (Ue) 690 V AC Rated Insulation Voltage (Ui) 1000 V AC Breaking Capacity (Icu) - Options Must be specified. Common options for E3 frame: • H (High): 50 kA at 400V AC • N (Normal): 65 kA at 400V AC (A common balanced choice) • S (Super): 100 kA at 400V AC (For high fault level areas) Poles Typically 3-Pole or 4-Pole. Trip Unit Options (Critical Selection) • Electronic (Recommended for flexibility): - PR121/P: Basic electronic unit with LSI protection, measurement, and comms option. - PR122/P: Most common advanced choice for full protection (LSI), advanced measurement, logging, and communication. • Thermal-Magnetic: For fixed, non-adjustable protection (e.g., TMD-LI). Lower cost, less functionality. Mounting Style • Fixed (F): Permanently wired into the panel. Lower cost. • Draw-out (W): Highly recommended for maintenance. Allows breaker to be isolated, tested, and replaced without disturbing main busbars. Operating Mechanism Spring-operated stored energy mechanism. Can be manual or electrically charged. Standard Accessories (Configurable) Typically selected as a package (e.g., FHR NST): • Electric charging motor (M) • Shunt trip (MX) for remote opening • Auxiliary contacts (OF/SD) for status signaling (e.g., 2NO+2NC) • Undervoltage release (MN) for safety trip on control power loss Communication Available with PR121/P and PR122/P electronic trip units via plug-in modules (Modbus RTU, Profibus DP, Ethernet/IP, etc.). Mechanical Life ≥ 30,000 operations Electrical Life ≥ 10,000 operations at full rated current Short-Time Withstand Current (Icw) Typically equals the Icu rating for 1 second (e.g., 65 kA for 1s). Dimensions (Approx. for 3P Fixed) Width: ~ 300-350 mm Height: ~ 500-550 mm Depth: ~ 350-400 mm Weight (Approx. for 3P Fixed) ~ 120 - 160 kg

Parameter Category Specification Series / Frame ABB SACE Emax, E3 Frame Rated Operational Current (In) 3200 A (Continuous current at 40°C ambient). This corresponds to the E3.4 specific model within the E3 frame. Rated Operational Voltage (Ue) 690 V AC Rated Insulation Voltage (Ui) 1000 V AC Breaking Capacity (Icu) - Options Must be specified. Common options for E3 frame: • H (High): 50 kA at 400V AC • N (Normal): 65 kA at 400V AC • S (Super): 100 kA at 400V AC Poles Typically 3-Pole or 4-Pole. Trip Unit Options (Must be selected) • Electronic: - PR121/P: For Tmax XT style logic on Emax (basic). - PR122/P: Most common advanced unit (LSI protection, measurement, communication). - PR123/P: For E4/E6 frames or special apps. • Thermal-Magnetic: Fixed protection (e.g., TMD, MIC logic). Mounting Style (Must be selected) • Fixed (F): Permanently wired. • Draw-out (W): Highly recommended for ease of maintenance and testing. Operating Mechanism Spring-operated stored energy. Manual or electrical charging. Standard Accessories (Typical) • Electric charging motor (M) • Shunt trip (MX) for remote opening • Auxiliary contacts (OF/SD) for status • Undervoltage release (MN) (These are selected via codes like FHR NST) Communication Available with electronic trip units (PR122/P, PR123/P) via optional modules (Modbus, Profibus, Ethernet). Mechanical Life ≥ 30,000 operations Electrical Life ≥ 10,000 operations at full rated current Short-Time Withstand Current (Icw) Matches or exceeds the Icu rating (e.g., 65 kA for 1 second). Dimensions (Approx. for 3P Fixed) Width: ~ 350-400 mm Height: ~ 550-600 mm Depth: ~ 400-450 mm Weight (Approx. for 3P Fixed) ~ 180 - 220 kg

Parameter Category Specification Assembly Type High-Current LV Switchgear Functional Unit / Incomer Compartment Standard IEC 61439-1 & -2 Internal Separation Special High-Current Form (likely F5S). Expect maximum segregation, with separate compartments for busbars, breaker, and cable terminals for safety and maintenance. Busbar System • Rated Current (Ibm): 4000 A • Short-Time Withstand (Icw): Very high, typically 80 kA to 120 kA for 1s or 3s. • Peak Withstand (Ipk): ~2.2 x Icw (e.g., 176 kA to 264 kA). Main Protective Device • Type: ABB SACE Emax E4 (or large E3) Frame, Draw-out Air Circuit Breaker. • Likely Rated Current (In): 3200A, 4000A, or 5000A (matching the busbar or slightly lower). • Poles: 3 • Trip Unit: Advanced Electronic (e.g., PR122/P or PR123/P) for comprehensive protection and metering. • Breaking Capacity (Icu): Very high, matching the busbar system (e.g., 100 kA, 150 kA at 400V AC). Key Breaker Features • Heavy-Duty Draw-out Truck (W) with advanced interlocks. • High-Torque Electric Charging Motor (M). • Shunt Trip (MX) (P). Typical Additional Breaker Accessories • Full set of Auxiliary Contacts (OF/SD). • Undervoltage Release (MN). • Additional alarm and interlock contacts. • Communication module for integration into monitoring systems. Control Voltage Dedicated auxiliary supply for motor and releases (e.g., 220V DC or 230V AC). Physical Configuration Likely a wide, multi-module compartment. Includes: • Massive busbar system. • Heavy-duty draw-out breaker truck with roller mechanism. • Large cable connection chambers (front/rear). • Robust shutters and arc containment features. IP Rating (Enclosure) Typically IP31 or IP41 for indoor switchrooms.

Parameter Category Specification Assembly Type LV Switchgear Functional Unit / Feeder Compartment Standard IEC 61439-1 & -2 Internal Separation Form 1 (F1) - Common compartment for busbars, breaker, and terminals. Busbar System • Rated Current (Ibm): 1600 A • Short-Time Withstand (Icw): Typically 50-65 kA for 1s (Design dependent) • Peak Withstand (Ipk): ~2.2 x Icw Main Protective Device • Type: ABB SACE Emax E1/E2 Frame, Draw-out Air Circuit Breaker. • Likely Rated Current (In): 1600A (E1.4 or E2.1 frame). Could be 1250A depending on design. • Poles: 3 • Trip Unit: Electronic (PR1 series - e.g., PR121/P). Typically provides LSI protection. • Breaking Capacity (Icu): Typically 50 kA (H) or 65 kA (N) at 400V AC, depending on specific breaker order. Key Breaker Features • Draw-out (W) for isolation, testing, and easy maintenance. • Electric Charging Motor (M) for automatic spring recharge. • Shunt Trip (MX) (P) for remote electrical tripping. Typical Additional Breaker Accessories • Auxiliary Contacts (OF/SD) for status signaling - Highly likely included but not in code; must verify. • Undervoltage Release (MN) - May or may not be included; must verify. Control Voltage Motor and shunt trip require an auxiliary control supply (e.g., 110V/220V DC or 230V AC). Must be specified separately. Physical Configuration One vertical compartment in a switchboard, including: • Draw-out breaker truck with guides and shutters. • Busbar connections. • Cable connection chamber (typically rear or bottom). • Door with possible control elements (buttons, indicators). IP Rating (Enclosure) Typically IP31, IP41, or IP54.

Parameter Category Specification Series / Frame ABB SACE Emax, E3 Frame Rated Operational Current (In) 2500 A Rated Operational Voltage (Ue) 690 V AC Rated Insulation Voltage (Ui) 1000 V AC Poles 3 Breaking Capacity (Icu at 400V AC) 50 kA (H version) Mounting Draw-out (Withdrawable) on a truck with safety interlocks. Trip Unit Type Thermal-Magnetic (TMD/LI or similar) - Fixed or minimally adjustable. • Long-time Protection (L) Fixed inverse-time thermal tripping characteristic. Preset to the breaker's rated current (2500A). • Short-time Protection (S) Not present. No adjustable short-time delay. • Instantaneous Protection (I) Fixed magnetic trip threshold. The R25 may indicate a specific setting (e.g., 10 x In = 25kA). • Ground-Fault Protection (G) Not included. • Adjustability Very limited or none. Cannot be fine-tuned for selective coordination. Standard Included Accessories • Draw-out Truck (W) • Electric Charging Motor (M) • Shunt Trip (MX) (P) Typical Additional (Optional) Accessories • Auxiliary Contacts (OF/SD) - Not in code, must be verified. • Undervoltage Release (MN) - Not in code, must be verified. • Closing Release (XF) - For electrical closing. Control Voltage Motor (M) and Shunt Trip (P) require an external control supply (e.g., 110V DC, 220V DC). Must be specified separately. Operation Spring-operated stored energy mechanism. Closing can be manual or electrical (if XF is installed). Communication None. Thermal-magnetic trip units do not have communication capabilities. Standards IEC 60947-2, UL 489 Typical Application Main or feeder breaker where selective coordination is not required or is handled upstream. Often used as a backup protection device or for circuits with simple protection needs.

Parameter Category Specification General • Type Air Circuit Breaker (ACB), Fixed or Draw-out version (code doesn't specify; F or W needed). • Standard IEC 60947-2, UL 489 Ratings • Rated Operational Current (In) 2500 A • Rated Operational Voltage (Ue) 690 V AC • Rated Insulation Voltage (Ui) 1000 V AC • Rated Ultimate Short-Circuit Breaking Capacity (Icu) 100 kA at 400V AC (for S version). At 690V, this is lower (e.g., 75 kA). • Rated Service Short-Circuit Breaking Capacity (Ics) Typically a high percentage of Icu (e.g., 75% or 100%). Trip Unit (PR122/P) • Protection Settings L (Ir): 0.4 - 1.0 x In (1000A - 2500A) S (Isd): 1.5 - 15 x Ir, time delay adjustable (e.g., 0.05 - 0.5s) or I²t. I (Ii): 1.5 - 15 x In or OFF. • Measurement High-accuracy measurement of I, V, P, Q, S, PF, f, Energy (kWh, kVARh). Class 1. • Communication Standard RS485 port with Modbus RTU. Optional modules for Profibus, DeviceNet, Ethernet/IP, IEC 61850. • Event Logging Stores time-stamped trips, alarms, and operations. • Diagnostics Load profile, thermal memory, maintenance alerts. Mechanical • Operating Mechanism Spring-operated stored energy. Manual or electrical charging. Manual or electrical closing. • Mechanical Life ≥ 30,000 operations • Electrical Life ≥ 10,000 operations at full load Typical Included Accessories (This code lists only trip unit; accessories are separate codes like FHR NST). A typical functional unit would include: Electric motor, Shunt trip (MX), Auxiliary contacts (OF/SD), Undervoltage release (MN). Dimensions & Weight (Approx. for 3P Fixed) Width: ~ 350-450 mm, Height: ~ 550-650 mm, Depth: ~ 400-500 mm. Weight: ~ 150-200 kg.

Parameter Category Specification Series / Frame ABB SACE Emax, E3 Frame Rated Operational Current (In) 2500 A Rated Operational Voltage (Ue) 690 V AC Rated Insulation Voltage (Ui) 1000 V AC Poles 3 Breaking Capacity (Icu at 400V AC) 65 kA (N version) Mounting Draw-out (Withdrawable) on a truck. Trip Unit PR11 Electronic Trip Unit Protection Functions LI (Long-time & Instantaneous only) • L (Ir): 0.4 - 1.0 x In (1000A - 2500A) adjustable. • I (Ii): Fixed or adjustable high setting (e.g., 10 x In = 25kA). • NO Short-time (S) Delay. Standard Included Accessories • Draw-out Mechanism (W) with safety interlocks. • Electric Charging Motor (M). • Shunt Trip (MX) (P) for remote opening. Typical Additional (Optional) Accessories • Auxiliary Contacts (OF/SD) for status signaling (often included but not in code; verify). • Undervoltage Release (MN). • Additional alarm contacts. Operation Spring-operated stored energy mechanism. Closing can be manual or electrical (requires separate closing release - XF). Communication The PR11 trip unit typically has limited or no communication capability. For communication, a higher-level trip unit (PR121, PR122) is required. Standards IEC 60947-2, UL 489 Typical Application Main incoming breaker for large transformers (2000-2500kVA), bus-tie breaker, or feeder for very large loads where selective coordination is achieved upstream or is not required

Parameter Category Specification Assembly Type Low-Voltage Switchgear Functional Unit / Feeder Compartment Standard IEC 61439-1 & -2 Internal Separation Form 1 (F1) Busbar System • Rated Current (Ibm): 1250 A • Short-Time Withstand (Icw): ~ 35-50 kA for 1s (Design dependent) Main Protective Device • Type: ABB SACE Emax E1 Frame, Fixed-mounted Air Circuit Breaker (Fixed mounting implied by code structure; W would indicate draw-out). • Rated Current (In): 1250 A • Poles: 3 • Trip Unit: Electronic (PR1 series) with display. Likely provides LSI protection (Long-time, Short-time, Instantaneous). • Breaking Capacity (Icu): Typically 50 kA at 400V AC for this configuration. Key Breaker Features & Accessories • Fixed Mounting (Integrated into the panel). • Electronic Trip Unit with local interface. • Electric Spring-Charging Motor (auto-recharge). • Shunt Trip (MX) for remote opening. • Auxiliary Contacts (OF/SD) for remote status. • Undervoltage Release (MN) for safety trip on control power loss. Control Voltage The motor and releases require an auxiliary control supply (e.g., 110V/220V DC or 230V AC) – must be specified separately. Typical Physical Configuration This describes one vertical section in a modular switchboard (e.g., MNS Digital). It includes: • The fixed E1 breaker • Busbar connections • Cable connection chamber (likely bottom or rear) • Necessary internal barriers (Form 1) IP Rating (Enclosure) Typically IP31, IP41, or IP54 depending on the overall switchgear series.

Parameter Category Specification General • Type Indoor, Vacuum, Fixed or Draw-out (depends on panel design) • Standard IEC 62271-100, ANSI C37.06 • Rated Voltage (Ur) 12 kV • Rated Frequency 50 / 60 Hz Insulation Level • Power-Frequency Withstand (Ud) 12 kV (1 min) • Lightning Impulse Withstand (Up) Typically 42 kV or 75 kV (Standard impulse withstand for 12kV class is 75 kV, but 1212 suggests a lower insulation level; this must be verified. It often corresponds to a 28 kV or 42 kV Up). Critical to confirm with actual datasheet. Current Ratings • Rated Normal Current (Ir) Common frame sizes: 630A, 1250A, 1600A, 2000A, 2500A, 3150A. The specific value is not defined in 1212-31 and must be specified separately (e.g., VD4M 1212-31 1250A). • Rated Short-Circuit Breaking Current (Isc) 31.5 kA (RMS, symmetrical) • Rated Short-Time Withstand Current (Ik) 31.5 kA for 3 seconds (typically) • Rated Peak Withstand Current (Ip) 80 kA (2.55 x Isc) Switching Performance • Rated Breaking Capacity Full Isc at Ur. Suitable for transformer, cable, and motor switching. • Mechanical Endurance ≥ 20,000 operations (M2 class) • Electrical Endurance ≥ 10,000 operations at full Ir (E2 class) Operating Mechanism (M) • Type Spring-operated, stored energy. • Charging Electric Motor for automatic spring recharging after each operation. • Closing Time ~60 – 80 ms • Opening Time ~40 – 60 ms Control & Auxiliaries • Standard Releases Interfaces with external protection relay. Equipped with Shunt Trip (MX) and Undervoltage Release (MN) as common options. • Auxiliary Contacts Multiple changeover contacts for signaling breaker status. • Control Voltage Common DC voltages: 48V, 110V, 220V DC. Must be specified. Vacuum Interrupter Axial or radial magnetic field design for long contact life and low chopping current. Dimensions & Weight Varies significantly with current rating. A 1250A fixed version approx.: • Width: ~ 400-500 mm • Height: ~ 600-700 mm • Depth: ~ 700-800 mm • Weight: ~ 150 – 250 kg

Technical Specifications Parameter Category Specification Product Series System Pro M compact - S200 Series Commercial Model S203P-C10 Standard Compliance IEC/EN 60898-1 Number of Poles & Protected Poles 1 Pole (1P). It breaks the live (phase) conductor only. Rated Current (In) 10 A Tripping Characteristic C Characteristic • Instantaneous Trip Range: 5 to 10 x In (50A to 100A). • Typical Use: General purpose applications with moderate inrush currents (e.g., lighting, household sockets, small motors). Rated Operational Voltage (Ue) 230/400 V AC Rated Insulation Voltage (Ui) 500 V AC Rated Impulse Withstand Voltage (Uimp) 4 kV Breaking Capacity (Icn) 6 kA at 230/400V AC (Standard for S203 base model). Energy Limiting Class 3 (High limiting capability) Electrical Life ≥ 20,000 cycles at rated current Mechanical Life ≥ 20,000 cycles Terminals • Screw-type terminals suitable for both rigid and flexible conductors. • Connection Capacity: 1 x 25 mm² or 2 x 1.5 - 16 mm² (with ferrule). Mounting Standard 35 mm DIN Rail (EN 60715) Ambient Temperature -25°C to +55°C (Reference calibration at 30°C) Protection Degree IP20 (When mounted in an enclosure) Approximate Dimensions (W x H x D) 18 mm x 89 mm x 69 mm (1 module width) Approximate Weight ~ 0.1 kg Certifications CE, CCC, and other international approvals. Key Features • Clear ON/OFF flag for visible contact position. • Trip-free mechanism ensures protection even if the handle is held in the ON position. • Padlockable in OFF position (with optional padlock kit).