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Manufacturer Resources
Product Specs
- Amperage Rating:
- 900A
- Catalog Notes:
- Mark 75 Breaker
- Compliances:
- Contact Manufacturer
- Frame Size:
- Frame J-K
- Number Of Poles:
- Three-pole
- Product Height:
- 17.1 IN
- Product Length Depth:
- 18 IN
- Product Weight:
- 26 LB
- Product Width:
- 10.5 IN
- Type:
- Molded case circuit breaker
- Voltage Rating:
- 600 V, 250 Vdc
- Department:
- Electrical
- Product Group:
- Electrical Components
- Product Subgroup:
- Circuit Breakers
- Product Type:
- Molded case circuit breaker
B-LINE HNB3900T – Frequently Asked Questions
How fast can I get the B-LINE HNB3900T 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 HNB3900T come with a warranty?
Absolutely. The B-LINE HNB3900T 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 HNB3900T?
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 HNB3900T 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.