Fast & Reliable Shipping 

Orders processed in 1–2 business days.

Hassle-Free Returns

30-day returns on eligible items. Read Terms

Knowledgeable Support

Get expert help via chat, email or phone.

Top-Rated Store

Trusted by 20,000+ customers. Read Reviews

Product Details

Description

The Siemens MBK150A is a 150-amp, 1-phase main circuit breaker designed for reliable circuit protection in residential and small commercial electrical systems. It prevents overloads and short circuits, ensuring safe and uninterrupted power distribution.

Key Features:

  • Amperage Rating: 150A, suitable for handling heavy electrical loads
  • Phase: Single-phase operation for efficient power management
  • Main Circuit Protection: Functions as the main disconnect for Siemens load centers
  • Compatibility: Designed for seamless integration with Siemens EQ series load centers
  • Durable Construction: Built with high-quality materials for longevity and reliability
  • Easy Installation: User-friendly design allows for quick and secure setup
  • Certifications: UL listed, meeting industry safety standards

Specifications:

  • Amperage: 150 amps
  • Phase: Single-phase
  • Interrupting Rating (AIR): 22kA
  • Compatibility: Siemens EQ series load centers
  • Certifications: UL listed

Applications:

  • Residential Electrical Panels – Ensures home electrical safety
  • Small Commercial Buildings – Ideal for light commercial applications
  • Industrial Applications – Supports single-phase power needs

Upgrade your electrical panel with the Siemens MBK150A for trusted circuit protection and long-term reliability.

Customer Reviews

★★★★★

5-Star Google Reviews

1982

Established in

20,000+

Customers Served

100,000+

Orders Fulfilled