Mounts into Square D NF panelboards to provide dependable commercial power distribution. The EGB34025 is a 3-pole, 25-amp bolt-on miniature circuit breaker that operates at up to 480Y/277VAC with a 35 kAIC interrupting rating. It utilizes fixed thermal-magnetic trip technology for reliable overload and short-circuit protection. This E-Frame unit serves as a modern replacement for the discontinued EHB34025. It features Visi-Trip indication and is both HACR and HID rated.
What is the difference between Square D EDB, EGB, and EJB circuit breakers?
These breakers belong to the same Square D E-Frame family and share identical physical dimensions for NF panelboards. The difference is their maximum interrupting rating at 480Y/277VAC. The EDB is rated for 18 kAIC, the EGB is rated for 35 kAIC, and the EJB is rated for 65 kAIC.
Can I install the EGB34025 in a Square D NQ panelboard or standard QO load center?
No. E-Frame bolt-on circuit breakers, including the EGB34025, are designed exclusively for 480Y/277VAC Square D NF panelboards. They will not fit into NQ panelboards or QO load centers.
Is the EGB34025 breaker HACR and HID rated?
Yes. This E-Frame breaker is both HACR rated for use with heating, air conditioning, and refrigeration equipment, and HID rated for switching high-intensity discharge lighting loads.
Are there higher interrupting capacity alternatives to the EGB34025?
Yes. If your electrical system requires a higher interrupting rating than the 35 kAIC offered by the EGB34025, you can use the EJB34025, which provides 65 kAIC at 480Y/277VAC. It has the exact same form factor and mounting requirements.
Can the EGB34025 be used on standard 120VAC or 240VAC systems?
Yes. Although it has a maximum voltage rating of 480Y/277VAC (at 35 kAIC), it is fully compatible with 120VAC and 240VAC systems. When used at these lower voltages, its interrupting rating increases to 65 kAIC.
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Review summary
Customers rate this product 4.9 out of 5 based on 25 reviews.