HNB3900 - 900Amp Circuit Breaker
- 900 Amp
- 25k @ 600VAC; 35k @ 480VAC; 65k @ 240VAC
- 3 Pole
Purchase Options: New Surplus
HNB3900 - 900Amp Circuit Breaker Description
HNB3900 - 900Amp Circuit Breaker
The HNB3900 is a 900-amp, three-pole thermal-magnetic circuit breaker designed for use in electrical distribution systems that require a matching HNB frame breaker configuration. This circuit breaker is commonly selected for replacement and maintenance applications where maintaining your original breaker style, electrical ratings, and physical fit is important.
Key Features and Benefits
- 900 Amp three-pole thermal magnetic circuit breaker
- HNB frame type for compatible replacement applications
- Interchangeable trip unit design
- Thermal magnetic protection for overload and short-circuit conditions
- Rated for electrical systems up to 600VAC
- AIC ratings available for 240VAC, 480VAC, and 600VAC applications
- Includes load-side terminals
- 40°C temperature rating
- Designed to maintain existing breaker configuration and panel compatibility
Technical Specifications
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Catalog Number: HNB3900
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Product Type: Thermal Magnetic Circuit Breaker
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Frame Type: HNB
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Amperage Rating: 900 Amps
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Poles: 3
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Voltage Rating: Up to 600VAC
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A.I.C. Rating:
- 25kAIC at 600VAC
- 35kAIC at 480VAC
- 65kAIC at 240VAC
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Trip Type: Thermal Magnetic
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Trip Unit: Interchangeable Trip Unit
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Temperature Rating: 40°C
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Terminals: Includes Load-Side Terminals
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Dimensions: 8.25"W x 16.00"L x 5.50"D
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Height: 16.0 inches
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Width: 8.25 inches
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Depth: 5.5 inches
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Approximate Ship Weight: 55.00 lbs
Material Compliance and Certifications
The HNB3900 is designed for use as a replacement thermal magnetic circuit breaker in compatible HNB-frame electrical equipment. It is intended for applications where maintaining existing system specifications, breaker fit, and installation requirements is necessary. Installation should be performed by qualified electrical personnel and completed in accordance with applicable electrical codes, safety practices, and equipment guidelines.
Where It Works Best
- Industrial electrical distribution equipment
- Commercial power distribution systems
- Existing HNB-frame breaker installations
- Feeder circuit protection applications
- Larger electrical systems requiring a 900 Amp three-pole breaker
- Maintenance and replacement work in installed equipment
- Applications requiring interchangeable trip unit functionality
- Systems requiring specific interrupt ratings at 240VAC, 480VAC, or 600VAC
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Eaton®, Cutler-Hammer®, Westinghouse®, Challenger®, Bussmann®, Edison®, Edison Fuse®, GTE Sylvania®, Crouse-Hinds®, and Cooper® are registered trademarks of Eaton Corporation plc. Products sold are surplus, used, or refurbished and are NOT supplied by Eaton Corporation plc or its affiliates.
Specifications
- Width:8.25
- Height:16.0
- Depth:5.5
- Poles:3
- Amperes:900
- A.I.C. Rating & Volts:25k @ 600VAC; 35k @ 480VAC; 65k @ 240VAC
- Type:HNB
- Approx Dimensions:8.25"W x 16.00"L x 5.50"D
- Additional Notes:40°C Rated, Thermal Magnetic Circuit Breaker With Interchangeable Trip Unit. This item includes load-side terminals. - discontinued by the Manufacturer
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE ground shipping on breaker orders over $100 and all other items with orders over $500.
Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.
If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).