Square D PXF361800PL 1800A 3-Pole Molded Case Circuit Breaker – Bolt-On Mount – 600VAC – Power Link – Padlock Attachment

The Square D PXF361800PL is a high-performance molded case circuit breaker designed for heavy-duty electrical distribution systems requiring advanced protection, secure operation, and enhanced control functionality. Built on the PXF frame platform, it integrates a 2000 amp sensor size with an electronic non-interchangeable trip unit offering LSI (Long-Time, Short-Time, Instantaneous) protection for reliable fault interruption. The inclusion of Power Link functionality enhances system communication and coordination capabilities in advanced electrical architectures. Rated at 1800 amperes at 40°C and supporting up to 600VAC systems, this breaker is engineered for demanding industrial applications where reliability and system protection are critical. The built-in padlock attachment further improves operational safety by enabling secure lockout during maintenance.

Product Specifications

• Manufacturer: Square D
• Model Number: PXF361800PL
• Product Type: Molded Case Circuit Breaker
• Frame Style: PXF Frame
• Trip Unit Type: Electronic Non-Interchangeable
• Trip Functions: LSI (Long-Time, Short-Time, Instantaneous)
• Additional Function: Power Link
• Sensor Size: 2000 Amp
• Rated Current: 1800 Ampere
• Number of Poles: 3 Pole
• Mounting Type: Bolt-On
• Standard Lug Type: Without Terminals Standard
• Rating Plug Installed: ARP090
• Padlock Attachment: Included
• Operating Temperature Rating: 40°C
• Warranty: One Year

Technical Specifications

• Electronic trip system with fixed configuration protection settings
• LSI trip functions ensure precise coordination and selective tripping
• Power Link feature supports enhanced system integration capability
• High interrupting capacity suitable for industrial-grade fault conditions
• Robust molded case construction for durability and thermal stability
• Lockable handle design improves safety during maintenance operations
• Bolt-on mounting ensures secure and stable installation
• Designed for critical power distribution and industrial control systems

Voltage and Ratings

• Maximum Voltage: 600 VAC
• Interrupting Rating at 240 VAC: 125 kA
• Interrupting Rating at 480 VAC: 100 kA
• Interrupting Rating at 600 VAC: 65 kA
• Rated Current: 1800 Ampere
• Operating Temperature: 40°C

Product Data

• Series: PXF
• Frame Type: P
• Pole Configuration: 3 Pole
• Sensor Rating: 2000 Amp
• Trip Unit: Electronic LSI
• Functional Add-On: Power Link
• Rating Plug: ARP090
• Mounting Type: Bolt-On
• Locking Feature: Padlock Attachment
• Terminal Configuration: Without Terminals Standard
• Application: Industrial Power Distribution Systems

Important Note

This product image represents a base model and is provided for identification purposes only. Accessories ordered with the breaker can be installed to match your required configuration at no additional cost. The included one-year warranty covers standard shipping, repair services, replacement parts, and labor required for recertification under normal operating conditions. Warranty excludes damage resulting from misuse, improper installation, or normal wear and tear.