HB2B040 - 40Amp Circuit Breaker
- 40 Amp
- 65k @ 120/240VAC
- 2 Pole
Purchase Options: Refurbished
HB2B040 - 40Amp Circuit Breaker Description
HB2B040 - 40Amp Circuit Breaker
When you need a replacement breaker that matches the original equipment, the Siemens HB2B040 provides the correct form, fit, and function for compatible Siemens electrical distribution systems. This 40 Amp, 2-pole BQ bolt-on circuit breaker is rated for 120/240V AC and features a 65kA interrupting capacity (AIC), making it suitable for applications where those exact electrical ratings are required. Its common-trip design disconnects both poles simultaneously if an overcurrent or short circuit occurs, helping protect connected equipment and wiring.
Key Features and Benefits
- 40 Amp continuous current rating
- Two-pole common-trip operation
- Rated for 120/240V AC applications
- BQ bolt-on mounting style
- Load-side lugs included
- Molded case branch circuit breaker
- Built to last for long-term service
- Form, fit, and functional replacement for compatible Siemens equipment
Technical Specifications
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Manufacturer: Siemens
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Catalog Number: HB2B040
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Manufacturer Part Number (MPN): HB2B040
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Product Type: Molded Case Circuit Breaker
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Series: BQ
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Number of Poles: 2
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Trip Type: Common Trip
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Current Rating: 40 Amps
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Voltage Rating: 120/240V AC
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Interrupting Rating: 65kA AIC
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Connection Type: Bolt-On
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Application: Branch Circuit Protection
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Load-Side Lugs: Included
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Dimensions: 4 in. D × 2 in. W × 3 in. H
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Weight: 0.683 lb.
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Country of Origin: Mexico
Material Compliance and Certifications
- UL 489 Listed
- REACH Article 33 information available from the manufacturer
- RoHS compliance information not specified by the manufacturer
Where It Works Best
The Siemens HB2B040 is commonly used in compatible Siemens BQ bolt-on panelboards serving residential, commercial, and light industrial electrical distribution systems. It is a good choice for replacing an existing 40 Amp, 2-pole, 120/240V bolt-on breaker when the original electrical ratings and mounting configuration need to be maintained. Always confirm compatibility with your panelboard and verify that the required voltage, amperage, interrupting rating, and connection type match your application before installation.
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.
Siemens®, I-T-E®, and Murray® are registered trademarks of Siemens AG. Products sold are surplus, used, or refurbished and are NOT supplied by Siemens AG or its affiliates.
Specifications
- Width:2.0
- Height:4.0
- Depth:3.5
- Poles:2
- Amperes:40
- A.I.C. Rating & Volts:65k @ 120/240VAC
- Type:HBQ
- Approx Dimensions:2.00"W x 4.00"L x 3.50"D
- Additional Notes:Bolt-On, Thermal Magnetic-Trip, Molded Case Circuit Breaker, 40°C - discontinued by the Manufacturer
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
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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).