Swift Kompany 4704-120 120A Surface Mount Circuit Breaker 87 Series

The Swift Kompany 4704-120 is a 120 amp, 87 Series surface mount circuit breaker (also called a DC breaker or battery circuit protector). It protects high-current DC circuits in marine, RV and other vehicle electrical systems. It also works as a manual switch for the circuit it protects.

Key Features:

• 120 A rating in the 87 Series, with manual reset and switching
• Surface mount design with 5/16 in-18 stud terminals
• High voltage rating supports 12 and 24 VDC systems, with protection for 36 and 48 VDC systems (48 VDC maximum)
• High interrupt current protects circuits connected to large paralleled battery banks, and meets ABYC E-11 interrupt requirements
• Sealed against dust and water intrusion
• Ignition protected, so it is suitable for closed compartments where explosive gases may be present
• Harsh-environment construction with stainless-steel hardware and self-locking terminal nuts

Size the wiring to the breaker rating. The manufacturer lists #2 AWG (35 mm²) for 100-120 A breakers in this series.