1SDA066637R1

Brand: ABB

Part Number: 1SDA066637R1

Function: Horizontal Mechanical Interlock

Compatibility: Fits ABB Tmax XT1, XT2, XT3, and XT4 Circuit Breakers.

Safety Use: Ideal for transfer switches (ATS). It physically prevents two power sources from connecting at the same time by locking one breaker "OFF" while the other is "ON."

Installation: Side-by-side (Horizontal) mounting.