Square D LX36125 125A 3 Pole Molded Case Circuit Breaker – Plug In Mount – 600VAC

The LX36125 by Square D is an LX (I-Line) frame molded case circuit breaker designed for reliable power distribution and circuit protection in commercial and industrial electrical systems. This breaker features an electronic non-interchangeable trip unit with LSI (Long-Time, Short-Time, Instantaneous) protection functions for enhanced system coordination and fault protection. Rated at 125 amperes with a maximum voltage rating of 600VAC, this 3-pole breaker is built with a 600 amp maximum frame and includes a factory-installed ARP050 rating plug. The breaker comes equipped with standard load-end terminals and plug-in mounting configuration for simplified installation and maintenance.

Product Specifications

• Manufacturer: Square D
• Model Number: LX36125
• 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: 125 Ampere
• Number of Poles: 3 Pole
• Maximum Frame Capacity: 600 Amp
• Standard Lug Type: Load End
• Rating Plug Included: ARP050
• Warranty: 1 Year

Technical Specifications

• Operating Temperature Calibration: 40°C
• Electronic Trip Protection for improved fault detection
• Non-Interchangeable Trip Unit construction
• Suitable for commercial and industrial power distribution systems
• Load-end terminals installed as standard
• Designed for I-Line distribution systems
• High interrupting capacity performance
• Factory configured with ARP050 rating plug

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: 125 Ampere

Product Data

• Brand: Square D
• Series: LX (I-Line)
• Model: LX36125
• Connection Type: Plug In
• Frame Type: L Frame
• Pole Configuration: 3 Pole
• Condition Availability: New Surplus or Certified Reconditioned
• Application: Circuit protection and power distribution
• Included Terminals: Standard Load End Terminals

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 at no additional cost based on the customer’s required configuration. This breaker is backed by a one-year in-house warranty covering normal shipping charges, repair services, replacement parts, and labor required for recertification. Warranty coverage excludes damage resulting from misuse, improper installation, or normal operational wear.

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You may return items within 30 days of delivery for a refund.

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