NIB – Eaton – HMCPE100R3C – Molded Case Circuit Breaker Accessory For Motor The Eaton HMCPE100R3C is a molded case circuit breaker accessory designed to provide motor protection. Catalog Number: HMCPE100R3C. Type: Motor circuit protector. Magnetic Trip Range: 300-1000 A. Trip Type: Adjustable. byJuly 5, 2026