ОПИСАНИЕ ПРОДУКТА
SCHNEIDER ELECTRIC LVS04974 - Electronic Trip Unit (Motor Protection)
The SCHNEIDER ELECTRIC LVS04974 is an electronic Micrologic 4.2 M trip unit engineered for seamless integration with Compact NSXm molded case circuit breakers. This component provides advanced motor protection functionalities, including long-time, short-time, and instantaneous trip mechanisms, crucial for safeguarding industrial motors and associated electrical infrastructure against overcurrent conditions in demanding automation and power distribution environments. It ensures precise current monitoring and rapid fault isolation.
Technical Specifications:
- SERIES/FAMILY: Compact NSXm
- COMPONENT TYPE: Electronic Trip Unit (Motor Protection)
- ELECTRICAL SPECS:
- RATED CURRENT RANGE: Adjustable from 64A to 160A (0.4 to 1 x Ir, where Ir is 160A)
- PROTECTION VOLTAGE RANGE: Compatible with Compact NSXm circuit breakers up to 690VAC
- PHASE COMPATIBILITY: 3-phase systems
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Plug-in module
- MOUNTING: Internal to Compact NSXm circuit breaker frame
- INTERFACE/CONTROL:
- PROTECTION FUNCTIONS: Long-time delay (overload), Short-time delay (short-circuit), Instantaneous (short-circuit)
- ADJUSTABLE SETTINGS: Ir (overload threshold), tr (overload delay), Isd (short-time threshold), tsd (short-time delay), Ii (instantaneous threshold)
- INDICATORS: LED for trip status and overload pre-alarm
- COMMUNICATION CAPABILITY: Compatible with optional communication modules (e.g., Modbus, Ethernet) via the host circuit breaker
- ENVIRONMENTAL/MOUNTING:
- IP RATING: Protected by host circuit breaker enclosure
- COOLING METHOD: Passive
- MOUNTING STYLE: Front plug-in, internal to Compact NSXm circuit breaker
- COMPATIBILITY/APPLICATION:
- COMPATIBILITY: SCHNEIDER ELECTRIC Compact NSXm molded case circuit breakers, 160A frame
- TARGET APPLICATION: Motor protection in industrial control panels, machinery, and power distribution systems
