General Electric 139C4378G7 3200A 120 V Circuit Breaker

Power protection you can rely on for demanding electrical setups — the General Electric 139C4378G7 3200A 120 V Circuit Breaker is built to safeguard circuits and equipment with precise, dependable interruption when faults occur. This GE-original part (139C4378G7) delivers robust performance in commercial and industrial environments that require high-capacity protection at 120 V.

Key specifications at a glance

• Current rating: 3200 A
• Voltage rating: 120 V
• Part Number: 139C4378G7
• Manufacturer: General Electric

What makes this GE circuit breaker stand out

Designed with a rugged internal mechanism and a reliable trip response, this unit provides steady, predictable protection for heavy electrical loads. Its GE lineage means compatibility with GE panels that specify the 139C4378G7 part, helping you maintain system integrity without compromising on performance. The combination of a high current rating and 120 V operation makes it suitable for safeguarding substantial feeder lines and critical circuits in both retrofit and new installations.

Ideal applications

• Replacement in GE electrical panels that require part 139C4378G7
• Protection for high-current 120 V circuits in commercial spaces, workshops, and light industrial setups
• Protecting feeders and essential equipment where rapid fault interruption is essential

Practical guidance for installation and use

Before installation, confirm that your panel or distribution board requires the 139C4378G7 GE circuit breaker. Always power down the system and follow safe electrical practices. Use the exact part number to ensure fit, electrical characteristics, and mounting alignment align with your existing GE infrastructure, preserving performance and safety.

Whether you're upgrading an aging panel or stocking spare parts for mission-critical environments, the General Electric 139C4378G7 3200A 120 V Circuit Breaker delivers dependable protection with the reassurance of GE’s engineering standards. Add this trusted replacement to your toolkit and keep circuits protected when it matters most.