Square D PXF361000 1000A 3 Pole MCCB – LSI Electronic Trip – Bolt On Mount – 600V

The Square D PXF361000 is a high-capacity molded case circuit breaker engineered for advanced industrial and commercial power distribution applications. Built on the PXF frame platform, this breaker features a 1000 ampere current rating at 40°C with a 3-pole configuration for reliable three-phase system protection. It utilizes an electronic non-interchangeable trip unit with LSI (Long-Time, Short-Time, and Instantaneous) protection functions, providing precise fault detection and improved coordination in critical electrical systems. Equipped with a 1200 amp sensor size and a factory-installed ARP083 rating plug, the PXF361000 delivers dependable performance in high fault current environments requiring accurate and stable protection.

Product Specification

• Manufacturer: Square D
• Model: PXF361000
• Frame Type: PXF Frame
• Breaker Type: Molded Case Circuit Breaker (MCCB)
• Current Rating: 1000 Ampere (at 40°C)
• Sensor Size: 1200 Ampere
• Poles: 3 Pole
• Mounting Type: Bolt-On
• Trip Unit Type: Electronic Non-interchangeable
• Protection Functions: LSI (Long-Time, Short-Time & Instantaneous)
• Rating Plug: ARP083 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, switchboards, and commercial distribution systems
• Coordination Capability: Enhanced protection coordination with rating plug system
• Durability: Designed for continuous-duty and high-fault applications
• Temperature Rating: 40°C ambient operation standard

Voltage and Ratings

• Maximum Voltage Rating: 600 VAC
• Interrupting Capacity:
  • 125 kA @ 240 VAC
  • 100 kA @ 480 VAC
  • 65 kA @ 600 VAC
• Current Rating: 1000A
• Sensor Size: 1200A
• 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: ARP083 standard installed
• Application Category: Industrial and commercial power protection
• Serviceability: Supports advanced configuration and accessory integration
• Warranty Coverage: Includes repair, parts, labor, and standard shipping
• Compliance: Designed to Square D industrial protection standards

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.

Returns are easy

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

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