The Square D MHL36500 molded case circuit breaker is engineered for dependable protection in commercial and industrial electrical distribution systems. Designed with an MHL frame style and thermal magnetic non-interchangeable trip unit, this breaker provides reliable overload and short-circuit protection for medium-to-high capacity applications. Its robust molded case construction, high interrupting ratings, and bolt-on mounting configuration ensure secure installation, consistent performance, and long service life in demanding electrical environments.

Product Specifications

• Brand: Square D
• Model: MHL36500
• Frame Style: MHL
• Product Type: Molded Case Circuit Breaker
• Breaker Type: Thermal Magnetic
• Trip Unit: Non-Interchangeable
• Amperage Rating: 500 Ampere
• Number of Poles: 3 Pole
• Mounting Type: Bolt On
• Maximum Voltage Rating: 600V
• Standard Lug Type: Line and 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 reliability
• High interrupting capacity for enhanced system protection
• Bolt-on mounting design for secure electrical installation
• Suitable for commercial and industrial distribution systems
• Reliable interruption performance under variable load conditions
• Durable internal components for extended operational life

Voltage and Ratings

• Rated Current: 500A
• 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: 2500–5000
• Frequency Rating: 50/60Hz

Product Data

• Manufacturer: Square D
• Product Category: Molded Case Circuit Breaker
• Series: MHL Frame
• Connection Type: Bolt On
• Frame Type: M
• Pole Configuration: 3 Pole
• Lug Configuration: Line and 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.

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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.