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BQ1-C020 - 20Amp Circuit Breaker

  • 20 Amp
  • 277VAC
  • 1 Pole
Circuit BreakersSKU: BQ1-C020 [R]

Purchase Options: Refurbished

BQ1-C020 - 20Amp Circuit Breaker Description

BQ1-C020 - 20Amp Circuit Breaker

When you need a compatible replacement breaker for an existing electrical distribution system, the BQ1-C020 provides the ratings and configuration required to keep equipment operating as intended. This 20 amp, 1-pole bolt-on molded case circuit breaker is rated for applications up to 277VAC and is commonly used in lighting panels and branch circuits found in commercial, institutional, and industrial facilities.

The bolt-on design creates a secure connection within compatible panelboards, making it a practical choice for maintenance projects, repairs, and equipment replacements where matching the original specifications is important. Its compact footprint helps conserve panel space, while the molded case construction is designed to help protect circuits from overloads and short circuits. Whether you're servicing an office building, school, healthcare facility, retail location, or warehouse, the BQ1-C020 delivers the form, fit, and function required for compatible installations.

Key Features and Benefits

  • 20 Amp Rating – Designed for branch circuits requiring 20-amp overcurrent protection.
  • 1-Pole Configuration – Provides protection for single-phase branch circuits and lighting applications.
  • 277VAC Rating – Commonly used in lighting systems and other branch circuits operating at 277 volts AC.
  • Bolt-On Mounting – Secures directly to compatible panelboards for a stable electrical connection.
  • Molded Case Construction – Helps protect wiring and connected equipment from overload and short-circuit conditions.
  • Compact Design – Fits easily into compatible panelboards while making efficient use of available space.
  • 40°C Ambient Rating – Suitable for operation in standard commercial and industrial environments.
  • Built to Last – Designed for long-term use when properly installed and maintained.
  • Form, Fit, and Function Replacement – Intended for applications requiring matching specifications and compatibility with existing equipment.

Technical Specifications

  • Part Number: BQ1-C020
  • Type: BQ-C
  • Poles: 1
  • Amperage: 20 Amps
  • Voltage Rating: 277VAC
  • Mounting Style: Bolt-On
  • Circuit Breaker Type: Molded Case Circuit Breaker
  • Operating Temperature: 40°C
  • Width: 0.88 in.
  • Height: 3.88 in.
  • Depth: 3.00 in.
  • Dimensions: 0.88"W x 3.88"H x 3.00"D

Material Compliance and Certifications

  • The BQ1-C020 is manufactured for use in electrical distribution systems and is intended to meet the requirements associated with its original design and application. Certification, approval, and compliance requirements should always be verified against the equipment specifications, installation requirements, and applicable local electrical codes before installation.

Where It Works Best

  • The BQ1-C020 is often used in lighting panels, branch circuits, office buildings, schools, healthcare facilities, retail spaces, warehouses, and other buildings that utilize 277VAC electrical distribution systems. It is frequently selected for maintenance projects and replacement applications where a compatible 20 amp, 1-pole bolt-on molded case circuit breaker is required to match existing equipment specifications. Its combination of compact size, bolt-on mounting, and standard electrical ratings makes it well-suited for maintaining and servicing established electrical 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:0.88
  • Height:3.88
  • Depth:3.0
  • Poles:1
  • Amperes:20
  • A.I.C. Rating & Volts:277VAC
  • Type:BQ-C
  • Approx Dimensions:0.88"W x 3.88"L x 3.00"D
  • Additional Notes:40°C, Bolt-On, Molded Case Circuit Breaker

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).

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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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