FDB3125 – EATON 3P125A 600V MOLDED CASE BREAKER
The FDB3125 is a high-performance Eaton 3-Pole 125A Molded Case Circuit Breaker, designed for 600V applications. Featuring reliable overload and short-circuit protection, this breaker ensures safety and efficiency in your electrical systems. Ideal for residential or commercial use, it supports various installations, making it a versatile choice for any project.
No, these are distinct Eaton MCCB frames with different physical dimensions and interrupting ratings, and they are not interchangeable. The FDB3125 has a 14kA interrupting capacity at 600V. The GHB and HFD frames offer higher interrupting ratings and different bolt-on footprints. Always confirm the exact frame required by your panelboard or switchboard before substituting.
Yes — the FDB3125 can serve as either a main disconnect or branch circuit protection in a commercial or industrial panelboard rated for the FDB bolt-on frame, provided the panel's bus rating and available fault current do not exceed the breaker's 14kA interrupting capacity at 600V. Always verify with your panel's documentation and a qualified electrician.
Availability on specific MCCB models can vary. Northern Breaker Group specialises in sourcing obsolete and hard-to-find breakers across Canada, including Eaton FDB-frame units. Contact our Calgary, Edmonton, or Vancouver counters or request a quote online — we'll track down new, reconditioned, or surplus stock for you.
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