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Square D MHL3645025DC3903 - 450A 3 Pole Molded Case Circuit Breaker

Brand Square D
SKU MHL3645025DC3903
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Square D MHL3645025DC3903 - 450A 3 Pole Molded Case Circuit Breaker

Brand Square D
SKU MHL3645025DC3903
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Square D MHL3645025DC3903 - 450A 3 Pole Molded Case Circuit Breaker

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$2399.00 Low stock

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DescriptionSpecificationsSuperClubWarranties
Description
Engineered for specialized power systems, this 450A molded case circuit breaker offers robust long-time and instantaneous trip functions. It is uniquely rated for 500VDC applications while maintaining a 65kAIC interrupt capacity at 480VAC. The unit mount design allows for straightforward integration into compatible industrial enclosures and switchboards. To support complex control schemes, it includes a factory-installed auxiliary switch and undervoltage release for enhanced operational safety.

Specifications

Brand Square D
Series MHL
Amperage 450A
Voltage 600VAC, 500VDC
Poles 3
Phase 3
AIC Rating 65kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 20kA @ 500VDC
Mounting Style Unit Mount
Terminal Type Lugs
For Use With Switchboards, Motor Control Centers, Industrial Enclosures
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Wire Gauge (3) 3/0 AWG - 500 kcmil (Al/Cu)
Max Wire 500 kcmil
Min Wire 3/0 AWG
Available Options Shunt Trip, Undervoltage Release, Alarm Switch
Accessories Auxiliary Switch (Factory Installed), Line and Load Lugs Included
Standards CSA C22.2 No. 5, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features High Interrupting Capacity, DC Rated, HACR Rated

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Warranties

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When shopping with SuperBreakers, you’ll have peace of mind knowing that every single item you purchase includes a 60 day warranty, free of charge. Why such confidence? Because only the highest quality electrical parts have a place on our shelves, and we stand by every single one we sell.

If anything goes wrong with your item that is not a result of misuse or normal wear and tear, we’ll gladly replace it at no cost to you.

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Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.

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International Shipping

All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.

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