Square D PXF361600 1600A 3 Pole MCCB – LSI Electronic Trip – Bolt On Mount – 600V

The Square D PXF361600 is a heavy-duty molded case circuit breaker designed for advanced industrial and commercial electrical distribution systems requiring high-capacity protection and dependable performance. Built on the rugged PXF frame platform, this breaker delivers a full 1600 ampere current rating at 40°C with a 3-pole configuration suitable for three-phase power applications. It features an electronic non-interchangeable trip unit with LSI (Long-Time, Short-Time, and Instantaneous) protection functions for accurate fault detection and enhanced coordination across complex electrical systems. Equipped with a 1600 amp sensor size and factory-installed ARP100 rating plug, the PXF361600 provides stable operation and superior protection in high fault current environments.

Product Specification

• Manufacturer: Square D
• Model: PXF361600
• Frame Type: PXF Frame
• Breaker Type: Molded Case Circuit Breaker (MCCB)
• Current Rating: 1600 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: ARP100 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 power systems
• Coordination Capability: Enhanced selective coordination with electronic trip technology
• Sensor Configuration: 1600A sensor with ARP100 rating plug calibration
• Durability: Designed for continuous-duty and high-fault current applications

Voltage and Ratings

• Maximum Voltage Rating: 600 VAC
• Interrupting Capacity:
  • 125 kA @ 240 VAC
  • 100 kA @ 480 VAC
  • 65 kA @ 600 VAC
• Current Rating: 1600A
• 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: ARP100 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.