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B140 - 40Amp Circuit Breaker

  • 40 Amp
  • 10k @ 120VAC
  • 1 Pole

Purchase Options: Brand New

Quantity
$13.99

B140 - 40Amp Circuit Breaker Description

B140 - 40Amp Circuit Breaker

The Siemens B140 BL 40A 1-Pole 120V Circuit Breaker is a reliable choice for keeping your electrical system safe. It features a thermal-magnetic trip that reacts quickly to overloads and short circuits, ensuring you’re protected.The compact design makes it easy to install in panelboards without any fuss. Whether you're using it for lighting circuits, appliances, or HVAC systems, the B140 delivers dependable performance you can rely on.

Key Features and Benefits

  • Single-pole, 40A breaker for everyday circuits
  • Thermal-magnetic trip for quick overload and short-circuit response
  • 10kA interrupt rating for reliable protection
  • Compact, panelboard-friendly bolt-on design
  • Lightweight and easy to install

Technical Specifications

  • Type: BL Molded Case Circuit Breaker
  • Poles: 1P
  • Voltage: 120V AC
  • Amperage: 40A
  • Interrupt Rating: 10,000A
  • Trip Mechanism: Thermal Magnetic
  • Dimensions: 2.571" x 1.00" x 2.89"
  • UL 489 Listed

Material Compliance and Certifications

  • UL Listed and compliant with REACH and RoHS standards for safe, long-term performance.

Where It Works Best

  • Panelboard-mounted systems
  • Homes
  • Offices
  • Light industrial setups
  • Lighting circuits, appliances, and HVAC systems

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:1.0
  • Height:3.56
  • Depth:2.38
  • Poles:1
  • Amperes:40
  • A.I.C. Rating & Volts:10k @ 120VAC
  • Type:BL
  • Approx Dimensions:1.00"W x 3.56"L x 2.38"D
  • Additional Notes:HACR rated, Bolt-on Molded Case Circuit Breaker, 40å¼C

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

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).

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