GHB3040 - Eaton - Molded Case Circuit Breaker

Eaton GHB3040 Molded Case Circuit Breaker | 40A, 3-Pole, 480Y/277V

The Eaton GHB3040 is a 3-pole, 40 Amp, 480Y/277 V AC molded case circuit breaker designed for high-performance commercial and industrial electrical systems. Part of the rugged G-Series (GHB Frame), this breaker utilizes a fixed thermal-magnetic trip mechanism to provide consistent protection against electrical overloads and short circuits in diverse power distribution environments.

Tailored for use in Eaton Pow-R-Line panelboards, the GHB3040 offers an interrupting capacity of 14 kAIC @ 480Y/277 V AC. Its bolt-on mounting style provides a secure, vibration-resistant connection, making it an ideal choice for protecting HVAC equipment, industrial lighting systems, and motor control circuits.

Key Features

• Poles: 3

• Amperage: 40 A

• Voltage: 480Y/277 V AC

• Type: Molded Case Circuit Breaker (Type GHB)

• Trip Unit: Fixed Thermal-Magnetic

• Interrupting Capacity: 14 kAIC @ 480Y/277 V AC

• Mounting Style: Bolt-On

• Applications: Excellent for industrial machinery, HVAC, and large-scale commercial power distribution

• Protection: Reliable thermal-magnetic protection for critical equipment branch circuits

Technical Specifications

• Manufacturer: Eaton

• Catalog Number: GHB3040

• UPC Number: 786679911280

• Phase: Three-phase

• Frequency Rating: 50/60 Hz

• Connection: Bolt-On

• Wire Range: #14 - #10 AWG (Cu/Al)

• Approvals: UL Listed, CSA Certified

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $99.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.