WA4EAR43A3SXXXXXXX Breaker By Square D SQUARE D MASTERPACT LOW VOLTAGE CIRCUIT BREAKER 3 POLES 1600 AMP FRAME 635 VAC WITH MICROLOGIC 5.0 A TRIP UNIT NW16 H1 CAT# WA4EAR43A3SXXXXXXX Reconditioned Inventory Code: E Make an Offer Send to a Friend Voltage: 635 Poles: 3 Amperage: 1600 Mounted: Drawout WHSE: MR1A2 Return To Circuit Breakers