ge CFH3040 40A 3-Pole 600 V Circuit Breaker Potential Transformer

Meet the GE CFH3040 40A 3-Pole 600V Circuit Breaker—Part Number CFH3040—designed to safeguard three‑phase electrical systems with dependable overcurrent protection. Built for industrial and commercial environments, this GE device delivers precise protection across every phase while handling typical service loads up to 40 A.

Key specifications

• Current rating: 40 A
• Poles: 3 (3-phase protection)
• Voltage rating: 600 V
• Part number: CFH3040
• Designation: Circuit breaker with potential transformer configuration

Why this GE CFH3040 stands out

• Three-pole design protects all phases in a 3-phase power system, enabling coordinated shut-off during fault conditions and reducing the risk of unbalanced voltages that can damage equipment.
• 40 A rating aligns with common motor control and distribution circuits, providing reliable protection without unnecessary nuisance tripping in typical loads.
• 600 V class rating makes it suitable for a wide range of commercial and light-industrial applications, from manufacturing lines to large HVAC installations.
• Part of GE's protection portfolio, this CFH3040 integrates into existing GE panels and switchgear, offering a familiar form factor and replacement pathway for maintenance schedules.
• Designed to work with protection and monitoring schemes that involve potential transformer–based sensing, enabling effective voltage sensing and relay coordination in automation systems.

Ideal use cases

• 3-phase motor circuits in manufacturing equipment, conveyors, and pumps
• Industrial feeders feeding power distribution panels in warehouses and plants
• Commercial facilities with 3-phase HVAC, chillers, and large lighting systems
• Facilities seeking reliable, easy-to-replace protective devices within GE-powered ecosystems

Investing in the GE CFH3040 means choosing a proven protection solution that keeps critical equipment safe, reduces downtime, and simplifies maintenance in 3-phase 600V infrastructures.