The Square D LAL3640032M molded case circuit breaker is a dependable industrial-grade protection device designed for commercial and industrial electrical distribution systems. Built with an LAL frame style and thermal magnetic non-interchangeable trip unit, this breaker provides reliable overload and short-circuit protection under demanding operating conditions. Its rugged molded case construction, bolt-on mounting configuration, and line/load terminal design ensure secure installation, dependable interruption performance, and long-term operational reliability in high-capacity electrical applications.

Product Specifications

• Brand: Square D
• Model: LAL3640032M
• Frame Style: LAL
• Product Type: Molded Case Circuit Breaker
• Breaker Type: Thermal Magnetic
• Trip Unit: Non-Interchangeable
• Amperage Rating: 400 Ampere
• Number of Poles: 3 Pole
• Mounting Type: Bolt On
• 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 and reliable protection settings
• Heavy-duty molded case construction for industrial durability
• Bolt-on mounting configuration for secure installation
• Line and load end terminals for flexible electrical connections
• Designed for commercial and industrial distribution systems
• Reliable interruption performance under varying electrical loads
• Durable internal components for long operational service life

Voltage and Ratings

• Rated Current: 400A
• Interrupting Capacity: 42kA @ 240 VAC
• Interrupting Capacity: 30kA @ 480 VAC
• Interrupting Capacity: 22kA @ 600 VAC
• Interrupting Capacity: 10kA @ 250 VDC
• Trip Setting Range: 1250–2500
• Frequency Rating: 50/60Hz
• Maximum Voltage Rating: 600V

Product Data

• Manufacturer: Square D
• Product Category: Molded Case Circuit Breaker
• Series: LAL Frame
• Connection Type: Bolt On
• Frame Type: L
• Pole Configuration: 3 Pole
• Lug Configuration: Line and Load End Terminals Standard
• Protection Type: Thermal Magnetic Protection
• 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.