The Square D MHL3610001426 molded case circuit breaker is a high-capacity electrical protection device designed for commercial and industrial power distribution systems requiring reliable overload and short-circuit protection. Built with an MHL frame style and thermal magnetic non-interchangeable trip unit, this breaker delivers dependable operational performance in demanding environments. Equipped with a factory-installed right-hand 2A-2B auxiliary contact and left-hand 24VDC shunt trip accessory, the breaker offers enhanced control and remote tripping functionality for advanced electrical system integration. Its rugged molded case construction and bolt-on mounting configuration ensure secure installation, durability, and long-term operational reliability.

Product Specifications

• Brand: Square D
• Model: MHL3610001426
• Frame Style: MHL
• Product Type: Molded Case Circuit Breaker
• Breaker Type: Thermal Magnetic
• Trip Unit: Non-Interchangeable
• Amperage Rating: 1000 Ampere
• Number of Poles: 3 Pole
• Mounting Type: Bolt On
• Maximum Voltage Rating: 600V
• Auxiliary Configuration: Right Hand 2A-2B Auxiliary Installed
• Shunt Trip Configuration: Left Hand 24VDC Shunt Installed
• 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 trip settings
• Integrated right-hand 2A-2B auxiliary contacts for signaling and monitoring applications
• Factory-installed 24VDC shunt trip for remote tripping capability
• Heavy-duty molded case construction for industrial-grade durability
• Bolt-on mounting design for secure electrical installation
• High interrupting capacity for enhanced electrical system protection
• Designed for demanding commercial and industrial distribution systems

Voltage and Ratings

• Rated Current: 1000A
• 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
• Shunt Trip Voltage: 24VDC
• 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
• Installed Accessories: 2A-2B Auxiliary Contact and 24VDC Shunt Trip
• 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 ordered together with the breaker can be professionally installed according to customer 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 following applicable electrical codes and manufacturer guidelines. Warranty coverage excludes damage caused by misuse, improper installation, or normal operational 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.