PRODUCT DESCRIPTION
SCHNEIDER ELECTRIC LVS08722 - Micrologic 5.2 E Electronic Trip Unit
This unit is an electronic trip unit designed for integration with SCHNEIDER ELECTRIC ComPact NSXm 160A and 250A molded case circuit breakers. It provides comprehensive protection functions including long-time overload, short-time short-circuit, instantaneous short-circuit, and earth fault protection. The device is engineered for precise current sensing and tripping in low-voltage electrical distribution systems, ensuring system integrity and personnel safety.
Technical Specifications:
- SERIES/FAMILY: ComPact NSXm
- COMPONENT TYPE: Electronic Trip Unit
- ELECTRICAL SPECS:
- NOMINAL CURRENT RANGE: Compatible with 160A and 250A circuit breakers
- ADJUSTABLE OVERLOAD PROTECTION (Ir): 0.4 to 1 x In (Nominal Current)
- SHORT-TIME SHORT-CIRCUIT PROTECTION (Isd): Adjustable
- INSTANTANEOUS SHORT-CIRCUIT PROTECTION (Ii): Adjustable
- EARTH FAULT PROTECTION (Ig): Adjustable
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690V AC
- FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Modular, plug-in unit
- MOUNTING: Internal, clip-on to ComPact NSXm 160/250 circuit breaker frames
- INTERFACE/CONTROL:
- DISPLAY: Integrated LCD for settings and measurements
- PROTECTION FUNCTIONS: LSI (Long-time, Short-time, Instantaneous), G (Ground/Earth fault)
- COMMUNICATION: Basic monitoring and alarm capabilities Modbus via optional communication module
- ENVIRONMENTAL/MOUNTING:
- IP RATING: Inherits from host circuit breaker, typically IP40 front face when installed
- COOLING METHOD: Passive
- INSTALLATION ENVIRONMENT: Indoor, within electrical enclosures
- COMPATIBILITY/APPLICATION:
- COMPATIBILITY: SCHNEIDER ELECTRIC ComPact NSXm 160A and 250A MCCBs
- APPLICATION: Low-voltage power distribution, industrial control panels, commercial building infrastructure, motor protection, generator protection