Technical Parameters Parameter Specification Product Name External Neutral Current Transformer Sensor Manufacturer ABB Part/Order Code 1SDA058218R1 Accessory Type Neutral Current Sensor (Current Transformer) Application External Neutral Current Measurement for Circuit Breaker Protection Compatible Breaker Frames E3 and E6 series (ABB SACE Emax) Primary Current Rating Up to 3200 A Neutral Conductor Range N50-100% for E3, N50% for E6 (percentage of nominal neutral conductor) Primary Type Current Transformer (Neutral sensing) Mounting/Use Installed with Emax breaker and protection unit for neutral current detection Function Measures neutral current and provides signal for protective and monitoring devices Standards Compliance Conforms to IEC and ABB accessory specifications Weight (Approx.) ~1 kg Typical Use Cases Neutral imbalance detection, ground fault protection schemes, system monitoring

Technical Parameters Parameter Specification Product Name ABB SACE Emax PR121/P Protection / Trip Unit Type Electronic Protection Release / Trip Unit Compatible Series ABB SACE Emax Low-Voltage Air Circuit Breakers Installation Mounted on circuit breaker (3-pole or 4-pole) Protection Functions Overload (L), Short-circuit (S), Instantaneous (I), Earth fault (G) — depending on version/configuration User Interface DIP switches, LEDs for alarms/trips Self-Supply Yes — unit is self-powered by breaker current for protection function External Power (Optional) Auxiliary supply for extended functions and external devices Communication Interfaces Optional connection to external displays or PCs via communication modules Adjustable Settings Current thresholds, trip delays, neutral settings (when applicable) Standards Compliance IEC 60947-2 (Low-voltage circuit breakers standard) Operating Frequency 50/60 Hz Weight Approximately 0.3–0.5 kg (varies by exact version) Indicators Multi-function LEDs for protection status and alarms Testing & Diagnostics Built-in test function; support for external test tools Configuration Tools (Optional) External programming / communication modules

Technical Parameters Parameter Specification Product Name ABB Tmax T5N 400 MCCB with Electronic Trip Unit Part / Order Code 1SDA058151R1 Series ABB Tmax T5N Type Moulded Case Circuit Breaker (MCCB) Number of Poles 3-pole Rated Current (I_n) 400 A Rated Operational Voltage 600 V AC Rated Insulation Voltage (U_i) 1000 V Rated Impulse Withstand Voltage (U_imp) 8 kV Trip / Release Type PR221DS-LS/I (Electronic solid-state trip unit) Terminal Connection Fixed front terminals Interrupting Capacity (UL489) 65 kA @ 240 V AC; 25 kA @ 480 V AC; 18 kA @ 600 V AC Mechanical Durability ~20,000 cycles Protection Functions Overload and short-circuit protection (via electronic release) Mounting Style Fixed MCCB Standards / Certifications UL and CSA listed Degree of Protection IP20 Release Adjustment Ranges Short-circuit and delayed settings (as configured on PR221DS-LS/I) Motor Drive Option Optional motor operator available

Technical Parameters Parameter Specification Product Name ABB YU-1SDA038312R1 Undervoltage Release Coil Part / Order Code YU-1SDA038312R1 / 1SDA038312R1 Product Type Undervoltage Release (UVR) Accessory Application Remote undervoltage protection for low-voltage circuit breakers Compatible Breaker Series ABB SACE Emax / E1–E6 frames and similar Rated Control Voltage 220–240 V (AC/DC) Frequency Range 50 Hz / 60 Hz Operating Function Trips circuit breaker when supply voltage drops below preset undervoltage threshold Mounting / Integration Installed as an accessory on auxiliary trip terminals of breakers Environmental Conditions Designed for industrial use (panel/enclosure mounting) Typical Operating Temperature Standard industrial range (panel environment) Weight Approx. 0.7–2.3 kg depending on packaging/configuration Standards / Compliance Conforms to ABB accessory product specifications and safety requirements

Technical Parameters Parameter Specification Product Name ABB SACE PR111/P Product Type Electronic Protection Trip Unit Application Protection of low-voltage power distribution circuits Compatible Breakers ABB SACE Emax air circuit breakers Power Supply Self-powered from breaker current transformers Rated Frequency 50 / 60 Hz Installation Mounted on the front of the circuit breaker Poles Supported 3-pole and 4-pole Neutral Handling Suitable for breakers with or without neutral Protection Functions Overload (L), Short-circuit (S), Instantaneous short-circuit (I), optional Ground-fault (G), depending on version Protection Versions PR111/P-LI, PR111/P-LSI, PR111/P-LSIG Adjustable Parameters Current thresholds and time delays (version dependent) User Interface LED indicators for alarm and trip status Degree of Protection IP30 when installed in the circuit breaker Operating Temperature −25 °C to +70 °C Storage Temperature −40 °C to +90 °C Standards IEC 60947-2

Technical Parameters Parameter Specification Product Name ABB PR122/P‑LI Electronic Protection Trip Unit Model / Version PR122/P‑LI E1/6 Application Protection & trip unit for low‑voltage air circuit breakers Compatible Series ABB SACE Emax (E1 to E6 frames) Protection Functions • Overload (Inverse/Long‑time) • Short‑circuit with adjustable delay • Instantaneous short‑circuit trip Operational Principle Microprocessor‑based electronic protection Self‑Supply Powered by breaker current transformers Installation Front‑mounted on compatible Emax breakers (3 or 4 poles) Adjustable Settings Current thresholds and time delays for L, S, I functions Neutral Handling Neutral protection configurable (e.g., 50%, 100%, 150%, 200% settings) for compatible breaker configurations User Interface LED or display status indication; parameter configuration via front controls Rated Frequency 50 / 60 Hz Operating Temperature Range Typical industrial range Degree of Protection Standard protection when installed in circuit breaker housing Standards Compliance Designed according to IEC low‑voltage switchgear protection requirements Typical Uses Main and feeder protection in low‑voltage distribution systems Optional Modules Communication, measurement, signaling modules (optional addons)

Technical Parameters Parameter Specification Product Name ABB SACE Emax E6.2H 4000A Air Circuit Breaker Product Type Low‑voltage Power Air Circuit Breaker Frame Size E6.2H Rated Current (I_u) 4000 A Number of Poles 3‑pole or 4‑pole versions available Rated Operational Voltage (U_e) up to 690 V AC Rated Insulation Voltage (U_i) 1000 V AC Rated Impulse Withstand Voltage (U_imp) 12 kV Breaking Capacity (I_cu) up to 100 kA at 400 V AC Short‑time Withstand Current (I_cw) 100 kA for 1 s Standards Compliance IEC 60947‑2 Trip Unit Options Ekip DIP, Ekip Touch, Ekip Hi‑Touch with LI, LSI, LSIG protection Mounting Style Fixed or Draw‑Out (depending on model) Terminal Connection Rear horizontal or top/bottom (model dependent) Neutral Pole Capacity (4‑pole) 50‑100 % of rated current Mechanical Durability ~12,000 operations Electrical Durability ~4,000 operations Typical Applications Protection of feeders, mains, transformers, motors, and generator outputs in industrial and utility systems

Technical Parameters Parameter Specification Product Name ABB E4.2H 4000A Low‑Voltage Air Circuit Breaker Series ABB SACE Emax 2 Frame Size E4.2H Rated Current (Iu) 4000 A Poles 3‑pole (3P) Rated Operational Voltage (Ue) Up to 690 V AC Rated Insulation Voltage (Ui) 1000 V AC Rated Impulse Withstand Voltage (Uimp) 12 kV Breaking Capacity (Icu) Up to 100 kA at 400 V AC (dependent on exact version/trip unit) Short‑Time Withstand Current (Icw) 85 kA for 1 s; 75 kA for 3 s (typical) Protection Technology Electronic trip unit (e.g., Ekip Dip LI / LSI / LSI variants) Release Type Solid‑state / electronic protection (trip release) Mounting Style Fixed version with rear horizontal terminals Terminal Connection Type Bolt connections Adjustable Protection Settings Yes – long‑time, short‑time, instantaneous (depending on trip unit) Degree of Protection IP30 (mounted in breaker panel or enclosure) Standards Compliance IEC 60947‑2 for low‑voltage circuit breakers Mechanical Durability High cycle life suitable for industrial duty Typical Use Main and feeder circuit protection in power distribution systems

Technical Parameters Parameter Specification Product Name ABB E4.2S‑A 3200A Air Circuit Breaker Series ABB SACE Emax 2 Frame Type E4.2S‑A Rated Current (I<u>) 3200 A Number of Poles Typically 3‑pole (3P) — can also be configured 4‑pole depending on variant Rated Operational Voltage Up to 690 V AC Rated Insulation Voltage (Ui) 1000 V AC Rated Impulse Withstand Voltage (Uimp) 12 kV Rated Ultimate Short‑Circuit Breaking Capacity (Icu) Up to 85 kA @ 400–440 V AC and 66 kA @ 500–690 V AC Rated Service Short‑Circuit Breaking Capacity (Ics) Same as Icu ratings (100 % of Icu performance) Rated Short‑Time Withstand Current (Icw) ~66 kA for 1 s and 3 s Protection Trip Units Bundled with Ekip Dip LI / Ekip Dip LSIG / Ekip Touch LSI / etc. (depends on configuration) Release Type Solid‑state electronic trip (EL type) Performance Level S (Standard short‑circuit performance) Standards Compliance IEC 60947‑2 Low‑Voltage Circuit Breakers Terminal Connection Rear horizontal bolt connectors Recommended Screwdriver M12 torque specification Mechanical Durability ~20,000 operations Electrical Durability ~7,000 operations (depending on voltage and load) Power Loss Depends on trip unit and installation (typically 425–743 W) Ambient Conditions Standard industrial operating range

Technical Parameters Parameter Description / Value Product Series Emax 2 (E2) Breaker Type Air Circuit Breaker (ACB), Fixed Version Rated Current (Iu) 3200 A Rated Operational Voltage (Ue) Up to 690 V AC Rated Insulation Voltage (Ui) 1000 V Rated Impulse Withstand Voltage (Uimp) 12 kV Breaking Capacity Normal (N) Ultimate Breaking Capacity (Icu) Typically 65 kA @ 415V AC (Example. Must be verified from specific catalogue as it varies by voltage). Service Breaking Capacity (Ics) Typically 100% of Icu (Example: 65 kA @ 415V). Trip Unit Electronic (e.g., PR122/PR123 type). Functions: L (Overload), S (Short-circuit), I (Instantaneous), G (Ground Fault). Standard IEC 60947-2 Electrical Durability Up to 10,000 cycles (mechanical) Communication Optional integrated communication (e.g., Modbus RTU, Profibus DP).

Technical Parameters Parameter Description / Value Product Series Emax 2 (E2) Breaker Type Air Circuit Breaker (ACB), Fixed Version Frame Size / Rated Current (Iu) E2.2 Frame, 2000 A (Adjustable via trip unit, e.g., 1600A-2000A range) Rated Operational Voltage (Ue) Up to 690 V AC Rated Insulation Voltage (Ui) 1000 V Rated Impulse Withstand Voltage (Uimp) 12 kV Breaking Capacity Category Normal (N) Ultimate Breaking Capacity (Icu) Example: 65 kA @ 415V AC (e.g., Icu = 65kA at 415V for E2.2N). This is frame-dependent. Must be verified. Service Breaking Capacity (Ics) Typically 100% of Icu for Category N (e.g., Ics = 65 kA @ 415V). Trip Unit (Example) Electronic (PR122/P or PR123/P). Protection Functions: L (Overload), S (Short-time), I (Instantaneous), G (Ground Fault). Metering: Current, Voltage, Power, Energy, Power Factor. Standard IEC 60947-2 Mechanical Durability 10,000 operating cycles Communication Slot for plug-in communication modules (e.g., CM-ENE for Modbus RTU, CM-PFU for Profibus DP).

Technical Parameters Parameter Description / Value Product Series Emax (First Generation - E1) Breaker Type Air Circuit Breaker (ACB), Draw-Out Version (WHR) Frame Size E2N (1600A Frame) Rated Current (Ir) 1600 A (Fixed setting on the R1600 version) 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). 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), I (Instantaneous). No Ground Fault (G). Number of Poles 3 Poles (3P) Ground Fault Setting NST - Non-Automatic / Fixed Threshold (Not Present) Standard IEC 60947-2 Control Voltage Typically requires a separate AC or DC supply for the trip unit and spring charging motor (e.g., 110-240V AC/DC).