B-Line BQL Classic Replacement...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$634.40

B-Line BQL Classic Replacement Circuit Breakers, 70A, #8-2/0 AWG, Cu/Al, Three-pole, 10 kAIC at 120/240V

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Model: BQL370
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$634.40
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BQL Classic Replacement Circuit Breakers, 70A, #8-2/0 AWG, Cu/Al, Three-pole, 10 kAIC at 120/240V

Manufacturer Resources

Product Specs

Amperage Rating:
70A
Circuit Breaker Type:
BQL
Compliances:
HACR Rated
Interrupt Rating:
10 kAIC at 120/240 Vac
Number Of Poles:
Three-pole
Product Height:
3 in
Product Length Depth:
5 in
Product Weight:
.5 lb
Product Width:
3 in
Voltage Rating:
120/240V
Wire Size:
#8-2/0 AWG Cu/Al
Department:
Electrical
Product Group:
Electrical Components
Product Subgroup:
Circuit Breakers
Product Type:
Classic replacement circuit breaker
Product Details:
Classic replacement circuit breaker

B-LINE BQL370 – Frequently Asked Questions

1) What wire sizes will the B-Line BQL370 70A breaker lugs accept?
The BQL370 lugs are rated for #8 through 2/0 AWG, and they are Cu/Al rated, so either copper or aluminum conductors land in them directly. At 70 amps on a three-pole feeder that covers the usual range of copper and the larger aluminum sizes people run for the same load.
2) Can I use the BQL370 on a 3-phase panel?
It is a three-pole breaker rated 120/240 Vac, with a 10 kAIC interrupting rating at that voltage. That covers three-pole use on a 120/240V system. It is not rated on this record for any higher system voltage, so do not put it on a 480V or 600V panel.
3) Is the BQL370 breaker rated for a rooftop A/C or heat pump circuit?
Yes, it carries a HACR rating, which is what an inspector looks for when a breaker feeds heating, air conditioning and refrigeration equipment with multiple motor loads. At 70A three-pole it suits a larger commercial condensing unit or packaged rooftop on a 120/240V service.
4) What is the BQL370 a replacement for?
It is a BQL type classic replacement breaker, built to drop into panels that take BQL breakers. Ordering by type matters more than anything here: if the panel label or the breaker you are pulling out says BQL, the BQL370 is the 70A three-pole in that family. If the panel calls for a different breaker type, a BQL will not seat correctly.
5) What exact part number do I order for a 70 amp three-pole BQL breaker?
Order B-Line BQL370. That is the 70A, three-pole, 120/240V, 10 kAIC device in the BQL classic replacement line, with #8-2/0 AWG Cu/Al lugs.
6) How much space does the B-Line BQL370 take up in the panel?
The breaker measures 3 in height, 3 in width and 5 in length/depth, and weighs half a pound. Use the 5 in depth figure when you are checking gutter and cover clearance in a shallow enclosure.
How fast can I get the B-LINE BQL370 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the B-LINE BQL370 come with a warranty?
Absolutely. The B-LINE BQL370 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the B-LINE BQL370?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the B-LINE BQL370 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.