SIEMENS W12FD64 BREAKER FD 250VDC UV TRP/AUX

SIEMENS W12FD64 BREAKER FD 250VDC UV TRP/AUX Circuit Breaker Accessory The SIEMENS W12FD64 is an accessory designed for FD frame molded case circuit breakers, specifically providing undervoltage trip functionality combined with an auxiliary switch. It is suitable for electrical distributors and switchgear suppliers requiring reliable trip and indication accessories for circuit breakers in electrical distribution and lighting solutions. This accessory supports 250 VDC control voltage applications and integrates with Siemens FD frame breakers to enhance operational safety and control. Specifications Manufacturer: Siemens Manufacturer Part Number: W12FD64 Frame: FD Application: Accessory Control Voltage: 250 VDC Product Weight: 1.5 lbs Dimensions (W x H x L): 4.0 in x 5 in x 5.0 in Actuator: 1 Auxiliary Switch and 1 Undervoltage Trip UPC: 783643023420 Features Combination of undervoltage trip and auxiliary switch for enhanced circuit breaker control and status indication Designed exclusively for Siemens FD frame circuit breakers; not compatible with older F-frame accessories Includes externally mounted voltage dropping resistor (2.5k ohm, 25 watt) required for 250 VDC undervoltage trip operation Auxiliary switch contacts provide open/closed status signaling based on breaker position Compact design allows mounting on either left or right pole of the circuit breaker Installation requires breaker to be in tripped position; detailed installation instructions ensure correct wiring and mounting Downloads & Links Spec Sheet Spec Sheet