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** Picture is for identification purposes only and may not represent the actual amperage of the product listed **

Q2M3125MB - 125 Amp Circuit Breaker

  • 125 Amp
  • 10k @ 240VAC
  • 3 Pole
Circuit BreakersSKU: Q2M3125MB [NS]

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Q2M3125MB - 125 Amp Circuit Breaker Description

Q2M3125MB - 125 Amp Circuit Breaker

The Q2M3125MB Thermal Magnetic Circuit Breaker delivers dependable protection for residential, commercial, and industrial electrical systems. Designed to handle up to 125 amps with a 10k AIC rating at 240VAC, this breaker helps prevent damage from overloads and short circuits while keeping your system running safely and efficiently. Built on the durable Q2MB frame, it’s engineered for long-term performance in demanding environments where reliable power control is essential.

Key Features and Benefits

  • High-Capacity Performance: Supports 125 amps with a 10k AIC rating at 240VAC, making it suitable for heavy-duty applications.
  • Enhanced Safety: Thermal magnetic trip technology provides fast and reliable response to both overloads and short circuits.
  • Flexible Installation: Features 1/4-20 studs on the line side and lug terminals on the load side for secure and adaptable wiring.
  • Built to Last: Constructed with high-quality materials and a Q2MB frame designed for consistent operation over time.

Technical Specifications

  • Frame Type: Q2MB
  • Poles: 3
  • Amperage: 125 Amps
  • Interrupting Capacity:
    • 10k AIC @ 240VAC
  • Dimensions:
    • Width: 4.50 inches
    • Length: 6.50 inches
    • Depth: 3.13 inches
  • Weight: 8.00 lbs

Material Compliance and Certifications

  • Industry Standards: Manufactured to meet strict industry safety and performance standards, the Q2M3125MB circuit breaker is built from premium materials that ensure durability and reliability under tough operating conditions.

Suitability

  • Ideal for residential main panels, commercial buildings, and industrial power systems that demand higher amperage capacity and dependable protection. Electricians and facility managers choose the Q2M3125MB for its combination of safety, durability, and ease of installation.

 


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. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:4.5
  • Height:6.5
  • Depth:3.13
  • Poles:3
  • Amperes:125
  • A.I.C. Rating & Volts:10k @ 240VAC
  • Type:Q2MB
  • Approx Dimensions:4.50"W x 6.50"L x 3.13"D
  • Additional Notes:Thermal Magnetic Circuit Breaker with Non-Interchangeable Trip Unit. This Breaker Has 1/4-20" Studs On The Line Side, And Lug Terminals On The Load Side

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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