General Electric 139C4378G101 24 V Circuit Breaker

The General Electric 139C4378G101 24 V Circuit Breaker is a genuine GE component designed to protect low-voltage control circuits with reliable, predictable performance. With a voltage rating of 24 V, this breaker is built to interrupt current quickly and safely, helping prevent damage to wiring, controllers, and connected equipment in everyday industrial environments.

Key details you can count on

• Brand: General Electric
• Part number: 139C4378G101
• Voltage rating: 24 V

Why this 24 V GE circuit breaker stands out

• Authentic GE design ensures compatibility with GE-based panels and OEM equipment, reducing fitment risk and the need for adapters or workarounds.
• Specifically suited for protecting 24 V control circuits, such as those found in automation systems, PLC-driven equipment, and other low-voltage control architectures.
• Provides dependable overcurrent protection to help safeguard wiring insulation, relays, sensors, and compact control devices in your system.

Ideal use scenarios

• Replacing a worn or tripped breaker in GE-powered control panels that rely on 24 V logic.
• Upgrading or stocking spare parts for maintenance programs in industrial automation, HVAC control, and machine control applications.
• Retrofits where a GE-certified part is preferred to maintain OEM specifications and long-term reliability.

Practical guidance for deployment

• Verify compatibility by matching the part number 139C4378G101 to your panel’s documentation and confirming the 24 V rating is appropriate for the target circuit.
• Before replacement, shut down power to the affected circuit and follow lockout/tagout procedures to ensure safe handling.
• Inspect mounting and terminal connections for cleanliness and secure engagement to maintain reliable operation.
• Keep a spare GE 139C4378G101 on hand in maintenance inventories to minimize downtime in critical control systems.