BF240 - 40Amp Circuit Breaker

- 40 Amp
- 10k @ 120/240VAC
- 2 Pole
Purchase Options: New In Box
BF240 - 40Amp Circuit Breaker Description
BF240 - 40Amp Circuit Breaker
The Siemens BF240 is a 40 amp, 2-pole GFCI circuit breaker rated for your 120/240VAC applications. It provides thermal-magnetic overcurrent protection and 5 mA ground fault protection in a single device. Designed for use in compatible Siemens panelboards, the BF240 is commonly installed where both branch circuit protection and GFCI protection are required.
The breaker features a 10kAIC interrupting rating, bolt-on mounting, and molded case construction. Built to Siemens standards, it is intended for long-term service in properly maintained electrical systems.
Key Features and Benefits
- 40A current rating
- 2-pole configuration
- 120/240VAC operation
- Class A GFCI protection
- 5 mA ground fault trip level
- Thermal-magnetic trip mechanism
- Protection against overloads, short circuits, and ground faults
- 10kAIC interrupting rating
- Bolt-on connection
- Compatible with Siemens panelboards
Technical Specifications
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Manufacturer: Siemens
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Catalog Number: BF240
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Series: BLF/GFCL
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Product Type: GFCI Circuit Breaker
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Amperage Rating: 40A
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Number of Poles: 2
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Voltage Rating: 120/240VAC
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Interrupting Rating: 10kAIC
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Ground Fault Trip Level: 5 mA
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Trip Type: Thermal-Magnetic
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Connection Type: Bolt-On
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Application: Electrical Distribution
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Dimensions:
- Length: 5.906 in.
- Width: 3.937 in.
- Height: 2.756 in.
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Weight: 1.058 lb
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UPC: 783643274013
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Country of Origin: Philippines
Material Compliance and Certifications
- UL 943 Listed
- Suitable for Class A GFCI applications
- Manufactured for electrical distribution equipment
- Meets applicable electrical installation requirements
Where It Works Best
- The BF240 is commonly used in commercial buildings, healthcare facilities, schools, maintenance areas, workshops, utility rooms, and industrial facilities where 120/240VAC GFCI protection is required. It is frequently used in replacement projects that require the same amp rating, pole configuration, voltage rating, and interrupting capacity as the existing breaker.
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:5.25
- Depth:2.56
- Poles:2
- Amperes:40
- A.I.C. Rating & Volts:10k @ 120/240VAC
- Type:BLF
- Approx Dimensions:2.00"W x 5.25"L x 2.56"D
- Additional Notes:HACR rated, Bolt-on Molded Case Circuit Breaker, 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).
