EDB26045 SQUARE D 2P 45A 600/347V

MCCB · 45A · 2-Pole · 600/347V · Bolt-On

The EDB26045 Square D 2P 45A circuit breaker is designed for reliable protection in 600/347V applications. This dual-pole breaker offers optimal performance and safety, making it suitable for various electrical needs. Ideal for commercial or residential use, it ensures your electrical systems operate efficiently and securely. Trust Square D for quality.

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Specifications
BrandSquare D
TypeMolded-Case (MCCB)
Amperage45 A
Poles2-Pole
Voltage600/347V
Interrupting Rating14 kA
MountingBolt-On
Frame / SeriesEDB
Catalogue #SQDEDB26045
Panel Compatibility

The Square D EDB26045 is a bolt-on, 2-pole 45A 600/347V molded-case circuit breaker from Square D's EDB frame. As an MCCB rated at 600V/14kA, it is designed for commercial and industrial panelboards and switchboards — not residential loadcentres. It is typically used in Square D NF, I-Line, and compatible commercial panelboard enclosures that accept EDB-frame bolt-on breakers.

Not sure if the EDB26045 fits your specific panelboard? Send us your panel model and we'll confirm compatibility.

No, they cannot be interchanged. The EDB is a commercial/industrial molded-case circuit breaker (MCCB) rated up to 600V, designed for bolt-on mounting in commercial panelboards and switchboards. QO and Homeline are residential-grade plug-on breakers for their respective loadcentres. Different mounting methods, voltage ratings, and enclosures mean these frames are not cross-compatible.

Yes — the EDB26045 carries a dual voltage rating of 600V AC (suitable for 3-phase systems) and 347V AC (commonly used in Canadian 600Y/347V distribution systems for lighting and branch circuits). As a 2-pole breaker, it is well-suited for 347V single-phase branch protection or as part of a 600V system. Confirm your system voltage and configuration with our team if you have any questions.

Yes. Northern Breaker Group specializes in obsolete and hard-to-find breakers, including legacy Square D EDB-frame units like the EDB26045. We maintain stock across our Calgary, Edmonton, and Vancouver locations and can source from our extended network. Contact us for availability and a quote — we're happy to help.

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