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The Siemens 3RV29012B is a lateral auxiliary switch from the SIRIUS product line, designed to provide additional signaling and control functions for 3RV2 series circuit breakers. This switch features two normally open (NO) instantaneous contacts, suitable for various AC and DC control circuits.
With a protection class of IP20 on the front and finger-safe touch protection, it ensures operational safety. The auxiliary switch is designed for plug-in fixing and utilizes spring-loaded terminals for electrical connections, supporting conductor cross-sections from 0.5 to 2.5 mm² for solid wires and up to 1.5 mm² for finely stranded wires.
Operating within an ambient temperature range of -20°C to +60°C, the 3RV29012B is compatible with circuit breaker sizes S00, S0, S2, and S3. Its operational current ratings include up to 10A at AC-12 and 1A at AC-15 (690V), with specific ratings for other voltage levels and DC-13 applications.
This lateral auxiliary switch is an essential accessory for expanding the functionality of Siemens circuit breakers in industrial control and automation systems, offering reliable performance and easy integration.
The Siemens 3RV29012B auxiliary switch has 2 normally open (NO) instantaneous contacts.
The operating temperature range for the 3RV29012B auxiliary switch is -20°C to +60°C.
The 3RV29012B is compatible with 3RV2 circuit breaker sizes S00, S0, S2, and S3.
The Siemens 3RV29012B auxiliary switch uses spring-loaded terminals for the auxiliary and control circuit.
The operational current rating for the 3RV29012B at AC-15 230V is 4A.