Schneider C2547E250 Trip Unit MicroLogic 7.2E for ComPacT NSX250 Circuit Breaker

The Schneider Electric C2547E250 is a MicroLogic Vigi 7.2E electronic trip unit for the ComPacT NSX250 4-pole circuit breaker, delivering LSIR protection - long-time overload, short-time, instantaneous short-circuit, and integrated earth-leakage functions. Rated at 250 A at 40°C on 440 V AC networks, it combines fully adjustable protection with a built-in LCD multimeter and energy metering.

Technical specifications:

• Commercial reference: C2547E250
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX100...250 new generation
• Trip unit name: MicroLogic Vigi 7.2E
• Technology: Electronic
• Compatible circuit breaker: ComPacT NSX250
• Number of poles: 4P
• Trip unit function: LSIR (long-time, short-time, instantaneous, residual earth-leakage)
• Trip unit rating: 250 A at 40°C
• Rated voltage [Ue]: 440 V AC 50/60 Hz
• Network type: AC, 50/60 Hz
• Long-time pick-up (Ir): 100...250 A, 9 settings
• Short-time pick-up (Isd): 1.5...10 x Ir
• Instantaneous pick-up (Ii): 1.5...12 x In
• Differential protection: Integrated, Class A
• Earth-leakage sensitivity (In): 0.03, 0.1, 0.3, 0.5, 1, 3, 5 A
• Earth-leakage time delay (t): 0, 60, 150, 500 ms, 1 s
• Thermal memory: 20 minutes before and after tripping
• Display: LCD
• IP protection rating: IP40 per IEC 60529
• Operating temperature: -25...70°C
• Storage temperature: -40...85°C
• Pollution degree: 3 per IEC 60947-1
• Electric shock protection class: Class II
• Mounting: Fixed
• Standard: EN/IEC 60947-2
• Weight: 795 g

Features and benefits:

• Integrated Class A earth-leakage (Vigi) protection with 7 adjustable sensitivity levels from 0.03 A to 5 A
• LCD multimeter with energy metering, current and power demand values, power quality data, and time-stamped event logging
• Thermal memory retains overload history for 20 minutes before and after tripping to prevent nuisance re-energisation
• Fully adjustable LSIR protection with 9 long-time pick-up (Ir) settings across the full 100...250 A range
• On-board maintenance indicators and test reports support preventive maintenance and compliance reporting

Applications:

• Industrial main and sub-distribution boards requiring combined overcurrent and earth-leakage protection on 4-pole circuits
• Commercial and industrial installations up to 250 A where energy monitoring is required at panel level
• Retrofit or upgrade of existing ComPacT NSX250 circuit breakers to add Vigi earth-leakage functionality
• Selective protection schemes in multi-level distribution systems requiring adjustable short-time delays

Compliant with EN/IEC 60947-2. Part of the Schneider Electric ComPacT NSX new generation range.

Also known as: Schneider C2547E250, Schneider Electric C2547E250, MicroLogic 7.2E Vigi trip unit, ComPacT NSX250 4P trip unit.