W91-X1110-20
Magnetic Circuit Breaker, Series Trip, Black, Operating Voltage 277 VAC, 20A Current Rating, 1 Pole, Potter & Brumfield W9
W91-X1110-20
Magnetic Circuit Breaker, Series Trip, Black, Operating Voltage 277 VAC, 20A Current Rating, 1 Pole, Potter & Brumfield W9