The Square D MH36600 molded case circuit breaker is engineered for high-capacity commercial and industrial electrical distribution systems requiring dependable circuit protection and operational reliability. Designed with an MH (I-Line) frame style and thermal magnetic non-interchangeable trip unit, this breaker provides efficient overload and short-circuit protection under demanding operating conditions. Its robust molded case construction, high interrupting ratings, and plug-in mounting configuration ensure safe system performance, simplified installation, and long-term durability in critical power distribution applications.

Product Specifications

• Brand: Square D
• Model: MH36600
• Frame Style: MH (I-Line)
• Product Type: Molded Case Circuit Breaker
• Breaker Type: Thermal Magnetic
• Trip Unit: Non-Interchangeable
• Amperage Rating: 600 Ampere
• Number of Poles: 3 Pole
• Mounting Type: Plug In
• Maximum Voltage Rating: 600V
• Standard Lug Type: Load End
• Operating Temperature Reference: 40°C
• Warranty: One Year

Technical Specifications

• Thermal magnetic trip mechanism for overload and short-circuit protection
• Non-interchangeable trip unit for fixed protection settings
• Heavy-duty molded case design for industrial-grade performance
• High interrupting capacity for enhanced electrical safety
• Plug-in mounting for fast and secure installation
• Designed for use in I-Line distribution systems
• Reliable switching performance under heavy electrical loads
• Durable internal components for extended operational life

Voltage and Ratings

• Rated Current: 600A
• Rated Maximum Voltage: 600V
• Interrupting Capacity: 65kA @ 240 VAC
• Interrupting Capacity: 65kA @ 480 VAC
• Interrupting Capacity: 25kA @ 600 VAC
• Interrupting Capacity: 14kA @ 250 VDC
• Trip Setting Range: 3000–6000
• Frequency Rating: 50/60Hz

Product Data

• Manufacturer: Square D
• Product Category: Molded Case Circuit Breaker
• Series: I-Line / M Frame
• Connection Type: Plug In
• Frame Type: M
• Pole Configuration: 3 Pole
• Lug Configuration: Load End Terminals Standard
• Condition Support: Certified Reconditioned and New Surplus
• Included Warranty Coverage: Shipping, repairs, parts, and labor for recertification
• Application: Commercial and Industrial Electrical Distribution Systems

Important Note

The product image shown represents a base model and is intended for identification purposes only. Accessories purchased together with the breaker can be professionally installed to meet specific configuration requirements at no additional cost when installation details are provided during checkout. Installation, servicing, and maintenance should only be performed by qualified electrical professionals in accordance with applicable electrical standards and manufacturer recommendations. Warranty coverage excludes damage caused by misuse, improper installation, or normal wear and tear.

Returns are easy

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

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.