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Circuit Breaker

Siemens | QJ2B125L | Circuit Breaker | 125A | 2-Pole | 240V

★★★★★
Amperes 125
Poles 2
Voltage 240
Product Type Circuit Breaker
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Manufacturer :Siemens
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $510.00
Sale price $510.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

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Secure transaction
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FREE & fast shipping on orders over $49
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CSA approved with 1 year warranty
Icon
30 day returns
Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Siemens | QJ2B125L | Circuit Breaker | 125A | 2-Pole | 240V

Regular price $510.00
Sale price $510.00 Regular price
Unit price
Product description
Shipping
Siemens QJ2B125L is a dependable circuit protection solution designed for demanding maintenance, retrofit, and replacement projects. This 125A, 2-pole device delivers reliable overcurrent protection for 240V circuits, helping safeguard electrical systems and keep critical equipment up and running.

Key specifications

  • Amperage: 125 A
  • Poles: 2-Pole
  • Voltage: 240 V
  • Part number: QJ2B125L
  • Application: Circuit protection for 240V two‑hot-leg circuits in compatible panels

Why this Siemens circuit breaker stands out

The QJ2B125L is built to support quick, secure replacement in panels that require the Siemens QJ2B125L reference. Its two‑pole design means simultaneous isolation of both hot legs on a 240V circuit, enhancing safety during servicing. With Siemens’ engineering, expect a robust enclosure and dependable performance that technicians rely on for long-term protection of wiring, outlets, and connected equipment.

Ideal use cases

  • Maintenance and service upgrades in commercial electrical panels that accept QJ series breakers
  • Retrofit projects where a precise 125A, 2-pole, 240V specification is required
  • Replacement installations in industrial and building electrical systems needing reliable circuit protection

Installation & compatibility notes

Before ordering, verify fit and ratings against your panel’s labeling. The part number QJ2B125L is the best reference for compatibility. If your panel/cover indicates support for Siemens QJ breakers, this unit will slot in as a direct replacement for the corresponding 125A, 2-pole, 240V configuration.

What problems does it solve?

  • Timely replacement to restore circuit protection after a trip or wear-related issues
  • Consistent protection for 240V circuits powering critical equipment, maintaining uptime
  • Accurate amperage rating ensures your system stays within designed electrical limits

Practical tips for best results

  • Keep a labeled spare on hand for proactive maintenance in serviceable panels
  • Store and handle breakers in a dry, cool environment to preserve performance
  • Always power down the panel and follow safety procedures during replacement

Contact sales@ampstate.com

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

Verified

Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

Fast industrial sourcing support

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Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

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