FHL36040 – SQUARE D 3P40A 600V BREAKER

MCCB · 40A · 3-Pole · 600V · Bolt-On

The SQDFHL36040 is a reliable Square D 3-pole circuit breaker with a 40A rating and 600V capacity, designed for robust performance in demanding applications. Ideal for commercial and industrial use, this breaker ensures optimal safety and protection for your electrical systems. Trust Square D for quality and durability in your circuit protection solutions.

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Specifications
BrandSquare D
TypeMolded-Case (MCCB)
Amperage40 A
Poles3-Pole
Voltage600V
MountingBolt-On
Frame / SeriesFHL
Catalogue #SQDFHL36040
Panel & Switchboard Compatibility

The Square D FHL frame SQDFHL36040 is a 3-pole, 40A, 600V bolt-on molded-case circuit breaker suited for commercial and industrial panelboards and switchboards that accept FHL-frame devices. As an MCCB, it is not intended for residential loadcentres — it is designed for industrial-grade distribution equipment operating at up to 600V AC. Typical applications include motor branch-circuit protection, feeder protection, and equipment disconnect service in manufacturing, commercial construction, and utility installations. Send us your panelboard or switchboard model and we'll confirm fitment.

The FHL-frame is a molded-case breaker designed for commercial and industrial panelboards and switchboards rated for bolt-on MCCB mounting at 600V. It is not compatible with residential loadcentres. If you have a specific panelboard model, send it our way and we'll confirm compatibility.

Yes — the Square D FHL-frame series is commonly used for motor branch-circuit and feeder protection in commercial and industrial settings. At 40A and 600V 3-pole, it can handle three-phase motor loads, but always verify that the breaker's interrupting rating and any required accessory (shunt trip, auxiliary switch, etc.) meet your specific application requirements.

Availability of specific FHL-frame variants can vary. Northern Breaker Group specializes in obsolete and hard-to-find breakers across our Calgary, Edmonton, and Vancouver locations. Whether new, surplus, or reconditioned stock is needed, contact us for a quote and we'll do our best to source the SQDFHL36040 for you.

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