Allows only 1 of a pair of double pole or triple pole AC circuit breakers to be activated at a time

Guarantees that AC power from 2 sources (power company and genset or inverter) will not be mixed

Fits all double pole or triple pole C-Series circuit breakers

Uses circuit breaker mounting screw holes

Requires no special panel modification

Includes mounting screws

Specifications:
Positions: 2
Weight: 0.17lb (0.08 kg)