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Product Details

Description

The Siemens MBK125A is a 125-amp, 1-phase main circuit breaker designed for residential and light commercial load centers. This load center conversion kit ensures reliable circuit protection by safeguarding electrical systems against overloads and short circuits.

Key Features:

  • Amperage Rating: 125A, suitable for standard residential and light commercial applications
  • Phase: Single-phase operation for efficient power distribution
  • Main Circuit Protection: Serves as the primary disconnect for Siemens load centers
  • Compatibility: Designed for Siemens EQ series load centers for seamless integration
  • Durable Construction: Built with high-quality materials for long-term reliability
  • Easy Installation: User-friendly design for quick and secure setup
  • Certifications: UL listed, ensuring compliance with industry safety standards

Specifications:

  • Amperage: 125 amps
  • Phase: Single-phase
  • Interrupting Rating (AIR): 22kA
  • Compatibility: Siemens EQ series load centers
  • Certifications: UL listed

Applications:

  • Residential Electrical Panels – Enhances safety and performance
  • Small Commercial Buildings – Reliable circuit protection for commercial spaces
  • Industrial Applications – Supports single-phase power systems

Upgrade your electrical panel with the Siemens MBK125A for dependable circuit protection and long-term efficiency.

Customer Reviews
Is this product in stock?

Inventory is updated regularly, but availability may change. Contact us for current stock on large orders.

Are you an authorized dealer of this product?

Yes. We are an authorized dealer of the products we sell, so you can purchase with confidence knowing you’re receiving a genuine, authentic product backed by the manufacturer’s applicable warranty.

How quickly will my order ship?

Most in-stock orders are processed within 1–3 business days. Standard shipping typically takes 1–5 business days, depending on your location.

Can I return this product?

Yes. Most products can be returned within 30 days of your order date, provided they are new and unused. Some exclusions and conditions apply. Please review our Return Policy for complete details.

Are there restocking fees?

Yes. A 30% restocking fee applies to eligible returns. Original shipping charges are non-refundable, and customers are responsible for return shipping costs. The restocking fee can be waived with a new order.

Is this product UL Listed or ETL Listed?

Certifications vary by product. Please review the product specifications or contact us to confirm certification details.

Does this item include a manufacturer warranty?

Most products are covered by the manufacturer's warranty. Warranty terms and coverage vary by brand and product.

Do you offer contractor pricing?

Yes. All products already include contractor pricing. Select a multi-pack option to save up to 10%. Your discount is automatically applied when you choose a qualifying multi-pack quantity.

Can I request bulk pricing?

Yes. Use the Add to Quote option on any product page to request a custom quote, or contact us directly for volume pricing and project-specific quotes.

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