Square D LX36450 450A 3 Pole Molded Case Circuit Breaker – Plug In Mount – 600VAC

The LX36450 by Square D is a high-capacity LX (I-Line) molded case circuit breaker designed for robust overcurrent protection in industrial and commercial power distribution systems. It utilizes an electronic non-interchangeable trip unit with LSI (Long-Time, Short-Time, Instantaneous) protection functions, providing reliable fault interruption and coordinated system protection. Rated at 450 amperes and built on a 600 amp maximum frame, the breaker operates up to 600VAC and includes a factory-installed ARP075 rating plug. Its plug-in mounting design and standard load-end terminals ensure efficient installation and consistent operational performance.

Product Specifications

• Manufacturer: Square D
• Model Number: LX36450
• Product Type: Molded Case Circuit Breaker
• Frame Style: LX (I-Line)
• Mounting Type: Plug In
• Trip Unit Type: Electronic Non-Interchangeable
• Trip Functions: LSI (Long-Time, Short-Time, Instantaneous)
• Rated Current: 450 Ampere
• Number of Poles: 3 Pole
• Maximum Frame Capacity: 600 Amp
• Standard Lug Type: Load End
• Rating Plug Included: ARP075
• Warranty: 1 Year

Technical Specifications

• Calibrated for operation at 40°C ambient temperature
• Electronic trip system for precise fault protection
• Non-interchangeable trip unit design
• Designed for I-Line distribution systems
• High interrupting capacity performance
• Plug-in mounting configuration for simplified installation
• Factory-installed load-end terminals
• Suitable for industrial and commercial applications

Voltage and Ratings

• Maximum Operating Voltage: 600 VAC
• Interrupting Rating at 240 VAC: 100 kA
• Interrupting Rating at 480 VAC: 65 kA
• Interrupting Rating at 600 VAC: 35 kA
• Frequency Rating: 50/60 Hz
• Current Rating: 450 Ampere

Product Data

• Brand: Square D
• Series: LX (I-Line)
• Model: LX36450
• Frame Type: L Frame
• Connection Type: Plug In
• Pole Configuration: 3 Pole
• Protection Type: LSI Electronic Trip
• Included Accessory: ARP075 Rating Plug
• Application: Industrial and commercial circuit protection

Important Note

The product image shown is for identification purposes only and may not represent the exact breaker configuration supplied. Accessories purchased with the breaker can be professionally installed according to customer requirements at no additional cost. This product includes a one-year in-house warranty covering shipping, repairs, labor, and replacement parts required for recertification. Warranty coverage excludes damage caused by misuse, improper installation, mishandling, 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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