General Electric 480Y/277V - 40A, 3-Pole, Circuit Breaker

Designed by General Electric for robust three-phase protection, the 480Y/277V - 40A, 3-Pole Circuit Breaker delivers dependable overcurrent protection in demanding environments. Built for industrial, commercial, and OEM applications, it integrates seamlessly into panelboards, switchboards, and motor control centers, safeguarding critical equipment and processes.

With a 3-pole configuration on a 480Y/277V system, this breaker provides synchronized protection across all phases, helping prevent unbalanced loads and potential damage to motors, drives, and other three-phase equipment. The 40-amp rating offers precise, reliable protection for circuits that demand solid performance under fault conditions.

Key specifications

• Current rating: 40 A
• Poles: 3-Pole
• Voltage rating: 480Y/277 V
• Breaker type: Circuit Breaker
• Recommended use: panelboards, switchboards, and control panels in industrial, commercial, and OEM settings

Why it stands out

This GE breaker combines reliable performance with the versatility required in modern electrical environments. The 3-pole design ensures balanced protection across all phases, which is essential for maintaining the longevity of motors and three-phase loads. Its compatibility with 480Y/277V networks makes it a practical choice for facilities that rely on high-voltage, three-phase distribution.

Ideal use cases

• Motor control centers and three-phase drives in manufacturing and processing facilities
• Industrial equipment and machinery powered by 480Y/277V distribution
• Commercial service panels and HVAC systems that require reliable three-phase protection
• OEM assemblies demanding a proven, field-ready overcurrent protection device

Practical installation notes

Install this 3-pole breaker in compatible panelboards, switchboards, or control panels designed for 480Y/277V service. Verify input voltage matches the 480Y/277V rating and follow standard wiring practices for three-phase protection devices. Regular inspection and periodic testing of the protection system help ensure reliable operation in demanding environments.