Square D PXF361400 1400A 3 Pole MCCB – LSI Electronic Trip – Bolt On Mount – 600V

The Square D PXF361400 is a high-capacity molded case circuit breaker engineered for industrial and commercial power distribution applications requiring advanced electronic protection and dependable system performance. Designed on the rugged PXF frame platform, this breaker delivers a 1400 ampere current rating at 40°C with a 3-pole configuration for three-phase electrical systems. It features an electronic non-interchangeable trip unit with LSI (Long-Time, Short-Time, and Instantaneous) protection functions, enabling precise fault protection and coordinated operation across complex electrical networks. Equipped with a 1600 amp sensor size and factory-installed ARP088 rating plug, the PXF361400 is optimized for high interrupting capacity applications and continuous-duty operation.

Product Specification

• Manufacturer: Square D
• Model: PXF361400
• Frame Type: PXF Frame
• Breaker Type: Molded Case Circuit Breaker (MCCB)
• Current Rating: 1400 Ampere (at 40°C)
• Sensor Size: 1600 Ampere
• Poles: 3 Pole
• Mounting Type: Bolt-On
• Trip Unit Type: Electronic Non-interchangeable
• Protection Functions: LSI (Long-Time, Short-Time & Instantaneous)
• Rating Plug: ARP088 Installed Standard
• Terminal Type: Without standard terminals
• Warranty: 1 Year (In-house warranty support)

Technical Specification

• Frame Style: PXF Industrial Electronic Frame
• Trip Technology: Electronic non-interchangeable trip system
• Protection Features: Adjustable LSI protection functions
• Connection Type: Bolt-on mounting configuration
• Operating System: Compatible with three-phase electrical systems
• Construction Type: Heavy-duty molded case design
• Application: Industrial feeders, switchgear, and commercial distribution systems
• Coordination Capability: Enhanced selective coordination with electronic trip technology
• Sensor Configuration: 1600A sensor with ARP088 rating plug calibration
• Durability: Engineered for high-fault and continuous-load environments

Voltage and Ratings

• Maximum Voltage Rating: 600 VAC
• Interrupting Capacity:
  • 125 kA @ 240 VAC
  • 100 kA @ 480 VAC
  • 65 kA @ 600 VAC
• Current Rating: 1400A
• Sensor Size: 1600A
• Poles: 3 Pole
• System Type: Three-phase electrical distribution systems

Product Data

• Product Series: PXF Series
• Breaker Family: Square D Electronic MCCB
• Installation Type: Fixed bolt-on mounting
• Lug Configuration: Without standard terminals
• Trip System: Electronic LSI protection
• Rating Plug Type: ARP088 standard installed
• Application Category: Industrial and commercial circuit protection
• Protection Class: Advanced electronic trip protection system
• Serviceability: Supports accessory integration and advanced configurations
• Warranty Coverage: Includes repair, parts, labor, and standard shipping

Important Note

This product image represents a base model and is intended for identification purposes only. Accessories purchased together with the breaker can be installed at no additional cost when configuration details are provided during checkout. The product includes a 1-year in-house warranty covering repair, parts, labor, and standard shipping charges, excluding damage caused by misuse or normal operational wear and tear.