WA4ECR43A3SXXXXXXX Breaker by Square D SQUARE D MASTERPACT LOW VOLTAGE CIRCUIT BREAKER 3 POLE 1600 AMP FRAME/CAP. 635 VAC WITH MICROLOGIC 5.0 A LSI CAT# WA4ECR43A3SXXXXXXX Make an Offer Send to a Friend Voltage: 635 Poles: 3 Frame Amperage: 1600 Return To Circuit Breakers