1SDA066643R1

Brand: ABB

Part Number: 1SDA066643R1

Compatibility: Exclusively for ABB Tmax XT3 series circuit breakers.

Installation Type: Designed for Fixed (non-pluggable) circuit breakers.

Function: Ensures safety by interlocking two breakers to prevent them from being "ON" simultaneously.

Common Use: Ideal for emergency backup systems and ATS (Automatic Transfer Switch) setups.