The 3VA9280-0WB00 is a molded case circuit breaker (MCCB) accessory manufactured by Siemens. Specifically, it is an auxiliary switch used with Siemens 3VA series MCCBs.

Applications

• Signaling the state of the main circuit breaker (ON, OFF, Tripped)
• Remote indication of circuit breaker status in control panels
• Interlocking systems to prevent simultaneous operation of multiple devices
• Monitoring circuit breaker operation in building automation systems
• Integrating circuit breaker status into PLC (Programmable Logic Controller) systems

Features

• Auxiliary switch for 3VA series MCCBs
• Provides remote indication of circuit breaker status
• Compact design for easy installation
• High switching capacity
• Reliable operation

Benefits

• Improved system monitoring by providing real-time status of the circuit breaker
• Enhanced safety through remote indication of tripped breakers
• Simplified integration into control systems
• Increased efficiency in troubleshooting and maintenance
• Improved reliability of electrical systems

Additional Details

The 3VA9280-0WB00 auxiliary switch typically has a voltage rating matching the associated circuit breaker and a current rating suitable for signaling circuits. It is designed to be easily mounted within the 3VA MCCB. The number of contacts (e.g., 1NO+1NC) and their configuration provide flexibility in system design. Proper wiring and adherence to Siemens' installation guidelines are crucial for reliable operation. The switch is designed for industrial environments and complies with relevant safety standards.