PRODUCT DESCRIPTION
SCHNEIDER ELECTRIC LVS07956 - Electronic Trip Unit
The SCHNEIDER ELECTRIC LVS07956 is a Micrologic 4.2 M electronic trip unit engineered for integration within Compact NSXm 160A and 250A molded case circuit breakers. This component provides advanced overcurrent protection, including specific motor protection characteristics, for low voltage electrical distribution systems and industrial machinery. It utilizes digital processing for precise current sensing, protection curve implementation, and local display of operational parameters.
Technical Specifications:
- SERIES/FAMILY: Compact NSXm
- COMPONENT TYPE: Electronic Trip Unit, Micrologic 4.2 M
- ELECTRICAL SPECS:
- RATED CURRENT COMPATIBILITY: 160A to 250A (for Compact NSXm breaker frames)
- PROTECTION FUNCTIONS: Long-time (Ir), Short-time (Isd), Instantaneous (Ii), Motor Protection (M)
- TRIP UNIT POWER SUPPLY: Self-powered via internal current transformers
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Modular, plug-in unit for Compact NSXm circuit breaker frames
- MOUNTING: Internal, directly into compatible circuit breaker chassis
- INTERFACE/CONTROL:
- COMMUNICATION: Modbus RTU (via optional communication module)
- DISPLAY: Integrated LCD for settings, measurements, and trip indications
- ADJUSTMENT: Front-panel rotary switches for protection parameter configuration
- ENVIRONMENTAL/MOUNTING:
- OPERATING TEMPERATURE: -25°C to +70°C (typical for Compact NSXm series)
- ENVIRONMENT: Designed for installation within industrial electrical enclosures and switchboards
- COMPATIBILITY/APPLICATION:
- COMPATIBLE BREAKER SERIES: SCHNEIDER ELECTRIC Compact NSXm 160A and 250A molded case circuit breakers
- PRIMARY APPLICATION: Overcurrent protection, short-circuit protection, and motor protection in industrial low voltage distribution, motor control centers, and machinery circuits.