BQ3B04000S01 - 40Amp Circuit Breaker
- 40 Amp
- 10k @ 240VAC
- 3 Pole
Purchase Options:
BQ3B04000S01 - 40Amp Circuit Breaker Description
BQ3B04000S01 - 40Amp Circuit Breaker
Protect your three-phase circuits with confidence using the Siemens BQ3B04000S01, a 40-amp, 3-pole molded case circuit breaker built for reliable branch circuit protection in commercial and industrial electrical systems. Part of Siemens’ trusted Type BQ family, this breaker features a common-trip design, disconnecting all three poles simultaneously if an overload or short circuit occurs. Its 120V shunt trip adds an extra layer of control, and the included load-side lugs make installation straightforward. Ideal for motor circuits, HVAC equipment, control panels, and other critical 240V three-phase applications, the BQ3B04000S01 provides dependable protection while maintaining smooth operation in legacy systems.
Key Features and Benefits
- 40 Amp, 3-pole molded case circuit breaker
- Common-trip design disconnects all poles together
- 120V Shunt Trip for added control
- Rated for 240VAC electrical systems
- 10 kA interrupting capacity (10kAIC)
- Bolt-on installation ensures a secure panel connection
- Load-side lugs included for easier wiring
- Designed for branch circuit protection in commercial and industrial settings
- Fits legacy Siemens Type BQ panelboards
Technical Specifications
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Manufacturer: Siemens
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Catalog Number: BQ3B04000S01
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Number of Poles: 3
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Amperage Rating: 40 Amps
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Voltage Rating: 240 VAC
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Interrupting Rating: 10 kAIC
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Trip Type: Common Trip
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Mounting Type: Bolt-On
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Shunt Trip Voltage: 120V
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Load-Side Lugs: Included
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Dimensions: 4 in. W x 4 in. H x 6 in. D
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Net Weight: 1.808 lb
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Country of Origin: Mexico
Material Compliance and Certifications
- UL 489 Listed
- Built to Siemens standards for low-voltage electrical distribution
Where It Works Best
- This breaker is ideal for commercial buildings, factories, schools, warehouses, and other facilities where three-phase branch circuit protection is needed.
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:4.0
- Height:4.0
- Depth:3.5
- Poles:3
- Amperes:40
- A.I.C. Rating & Volts:10k @ 240VAC
- Type:BQ
- Approx Dimensions:4.00"W x 4.00"L x 3.50"D
- Additional Notes:HACR rated, Bolt-on Molded Case Circuit Breaker with 120vac shunt trip, 40°C
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).