Series C Circuit Breakers from Eaton Cutler-Hammer provide electrical protection to switchboards, panel boards, busway devices, and motor control centers. Trip units available in this series include electronic, thermal-magnetic, and magnetic-only trip units. Series C Circuit Breakers can support maximum system current ratings of 800A, maximum AC system voltage ratings of 600V AC, and maximum DC system voltage ratings of 250V DC. The contacts in these circuit breakers support high-speed "blow open" actions. Various external accessories are available for the Series C Circuit Breakers.
Browse available units in our catalog of Series C Circuit Breakers.
This auxiliary switch kit includes one normally closed and one normally open contact. It supports an auxiliary trip mode along with bell-alarm indication, complying with UL standards and capable of op
This auxiliary switch kit facilitates left-side mounting and utilizes pigtail leads for connection. Operating effectively within a frequency range of 50 to 60 Hz, it is constructed to function within
This circuit breaker features a three-pole configuration for 3-phase installations. It delivers an interrupting capacity of 22 kAIC at 480 VAC and 65 kAIC at 240 VAC, ensuring reliable fault interrupt
This trip unit consists of three poles and employs a non-interchangeable thermal-magnetic trip type. It operates within a frequency range of 50 to 60 Hz and has an interrupt rating of 2500–5000 A, off
This undervoltage release mechanism is compatible with multiple frame types, including LDB, LD, HLD, LDC, CLD, CHLD, CLDC, MDL, HMDL, MDLB, HMDLB, E2L, E2LM, E2M, and E2MM. Operational and storage tem
This fixed electronic rating plug integrates into 3-pole breakers and features solid-state electronics for effective operation. It includes RMS sensing for accurate trip settings and is equipped with
The A1L2LPK is designed to mount on the left side and is compatible with J frame types. This product functions within a temperature range of 0°C to 40°C and supports both operating and storage humidit
This circuit breaker features thermal-magnetic protection and is rated for a system frequency of 50/60 Hz. The FD1025 is designed to interrupt high fault currents, with ratings of 35 kA at 277 V AC an
This breaker features two poles and offers an interrupting capacity of 65 kAIC at 240 VAC and 35 kAIC at 480 VAC. It employs a fixed thermal and fixed magnetic trip type, providing long-time and insta
This magnetic motor circuit protector operates within an instantaneous magnetic trip range of 1000 to 2000 A and includes three poles. It features a feed-through connection type and is suitable for pa