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QOB2501021 - 50Amp Circuit Breaker

  • 50 Amp
  • 10k @ 120/240VAC
  • 2 Pole
Circuit BreakersSKU: QOB2501021

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QOB2501021 - 50Amp Circuit Breaker Description

QOB2501021 - 50Amp Circuit Breaker

When your electrical system calls for dependable circuit protection with the added convenience of remote operation, the QOB2501021 is built to get the job done. This 50 Amp, 2-pole Type QOB bolt-on circuit breaker combines reliable overcurrent protection with a factory-installed 120VAC shunt trip device, allowing the breaker to be tripped remotely during emergency shutdowns, safety interlocks, or automated control operations. It's an excellent choice for commercial and industrial electrical systems where both equipment protection and operational safety are priorities. The bolt-on design creates a secure connection within compatible panelboards, making the QOB2501021 a smart solution for facilities that demand long-term performance in demanding environments. With a 10kA interrupting capacity at 120/240VAC, this breaker is designed to help protect electrical circuits from overloads and short circuits while supporting applications that require remote disconnection. Whether you're maintaining an existing electrical distribution system, upgrading equipment, or completing a new installation, the QOB2501021 delivers the dependable performance professionals expect from a Type QOB circuit breaker.

Key Features and Benefits

  • 50 Amp Current Rating: 50 Amp current rating for dependable branch circuit protection.
  • 2-Pole Configuration: 2-pole configuration designed for 120/240VAC electrical systems.
  • Factory-Installed 120VAC Shunt Trip Device: Enables remote breaker tripping for enhanced safety and control.
  • Bolt-On Mounting: Provides a secure, vibration-resistant connection in compatible panelboards.
  • 10kA Interrupting Capacity: 10kA interrupting capacity at 120/240VAC helps safeguard equipment during overloads and fault conditions.
  • Compact Design: Makes efficient use of valuable panel space.
  • Ideal for Multiple Applications: Ideal for commercial, industrial, institutional, and OEM electrical applications.

Technical Specifications

  • Part Number: QOB2501021
  • Type: QOB
  • Poles: 2
  • Amperage: 50A
  • Voltage Rating: 120/240VAC
  • Interrupting Capacity: 10kA @ 120/240VAC
  • Mounting Style: Bolt-On
  • Shunt Trip: Factory-installed 120VAC Shunt Trip Device
  • Dimensions:
    • Height: 3.0 in.
    • Width: 2.25 in.
    • Depth: 2.5 in.

Material Compliance and Certifications

  • Industry Standards: Manufactured for use in compatible Type QOB electrical distribution systems.
  • Compliance: Designed to meet applicable industry standards for molded case circuit breakers when installed according to manufacturer instructions and local electrical codes.
  • Installation Requirements: Installation should be performed by qualified electrical professionals in accordance with all applicable codes and safety requirements.

Where It Works Best

  • The QOB2501021 is well suited for a wide range of commercial and industrial applications where reliable circuit protection and remote tripping are essential. It is commonly used in office buildings, manufacturing facilities, schools, healthcare facilities, retail centers, control panels, and OEM equipment. The integrated 120VAC shunt trip makes it especially valuable for emergency power-off systems, fire alarm interfaces, building automation systems, safety interlocks, and other applications where circuits need to be disconnected quickly from a remote location.

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.

Square D® is a registered trademark of Schneider Electric. Products sold are surplus, used, or refurbished and are NOT supplied by Schneider Electric or its affiliates.

Specifications

  • Width:2.25
  • Height:3.0
  • Depth:2.5
  • Poles:2
  • Amperes:50
  • A.I.C. Rating & Volts:10k @ 120/240VAC
  • Type:QOB
  • Approx Dimensions:2.25"W x 3.00"L x 2.50"D
  • Additional Notes:Bolt-On Circuit Breaker with 120Vac Shunt Trip Device

Returns are easy

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

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

Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.

If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.

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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