The Square D MHP36800 molded case circuit breaker is a heavy-duty electrical protection device designed for commercial and industrial power distribution systems. Built on the MHP frame style with a panel-mounted configuration and thermal magnetic non-interchangeable trip unit, this breaker delivers dependable overload and short-circuit protection under high-load operating conditions. Its rugged molded case construction, high interrupting capacity, and secure panel-mounted design ensure reliable operation, electrical safety, and long-term durability in demanding applications.

Product Specifications

• Brand: Square D
• Model: MHP36800
• Frame Style: MHP
• Product Type: Molded Case Circuit Breaker
• Breaker Type: Thermal Magnetic
• Trip Unit: Non-Interchangeable
• Amperage Rating: 800 Ampere
• Number of Poles: 3 Pole
• Mounting Type: Panel Mounted
• 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 construction for industrial-grade reliability
• High interrupting capacity for enhanced electrical system safety
• Panel-mounted configuration for direct installation into electrical panels
• Suitable for commercial and industrial distribution systems
• Stable performance under varying electrical load conditions
• Durable internal components for extended operational life

Voltage and Ratings

• Rated Current: 800A
• 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: 4000–8000
• Frequency Rating: 50/60Hz

Product Data

• Manufacturer: Square D
• Product Category: Molded Case Circuit Breaker
• Series: MHP Frame
• Connection Type: Panel Mounted
• 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 installed at no additional cost according to customer configuration requirements when installation instructions are provided during checkout. Installation, operation, and maintenance must be performed by qualified electrical personnel in accordance with applicable electrical standards and manufacturer guidelines. 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.

FREE Shipping on orders over $149.

My Circuit Breakers 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, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

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.