ОПИСАНИЕ ПРОДУКТА
SIEMENS 3VA9143-0JD11 - Auxiliary Switch
This component is an auxiliary switch designed for internal integration with SIEMENS SENTRON 3VA1 molded case circuit breakers. It provides remote status indication of the circuit breaker's operational state, enabling precise monitoring and control within industrial power distribution systems. This device is critical for interlocking, signaling, and automation functions in applications requiring reliable circuit protection status feedback.
Technical Specifications:
- SERIES/FAMILY: SENTRON 3VA1
- COMPONENT TYPE: Auxiliary Switch
- ELECTRICAL SPECS:
- CONTACT CONFIGURATION: 1 Normally Open (NO) + 1 Normally Closed (NC)
- RATED OPERATIONAL VOLTAGE: 24VDC to 250VAC (typical for control circuits)
- RATED OPERATIONAL CURRENT: 1A to 5A (dependent on load type, e.g., AC-15, DC-13)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Internal accessory module
- INTERFACE/CONTROL:
- CONNECTION TYPE: Screw terminals
- FUNCTION: Remote indication of MCCB ON/OFF status
- ENVIRONMENTAL/MOUNTING:
- MOUNTING STYLE: Internal, field-installable within 3VA1 MCCB housing
- IP RATING: Inherits enclosure rating terminals typically IP20 when installed
- COMPATIBILITY/APPLICATION:
- COMPATIBILITY: SIEMENS SENTRON 3VA1 Molded Case Circuit Breakers
- APPLICATION: Industrial control panels, power distribution units, motor control centers, building automation systems, safety interlocking circuits, and supervisory control systems.