Square D PAF361800 1800A 3 Pole MCCB – LI Protection – Bolt On Mount – 600V

The Square D PAF361800 is a high-performance molded case circuit breaker engineered for large-scale industrial and commercial power distribution systems. Built with the rugged PAF frame construction, this breaker offers reliable protection with a 1800 ampere current rating at 40°C and a 3-pole configuration designed for three-phase applications. Equipped with LI (Long-Time and Instantaneous) protection functions, it provides dependable defense against overloads and short-circuit faults. Its high interrupting capacity ensures safe operation in demanding electrical environments where superior fault-clearing capability and system reliability are essential.

Product Specification

• Manufacturer: Square D
• Model: PAF361800
• Frame Type: PAF Frame (P-Series)
• Breaker Type: Molded Case Circuit Breaker (MCCB)
• Current Rating: 1800 Ampere (at 40°C)
• Poles: 3 Pole
• Mounting Type: Bolt-On
• Protection Functions: LI (Long-Time & Instantaneous)
• Terminal Type: Without standard terminals
• Warranty: 1 Year (In-house warranty support)

Technical Specification

• Frame Style: PAF Heavy-Duty Industrial Frame
• Trip Unit Functions: Long-Time and Instantaneous (LI)
• Connection Type: Bolt-on mounting configuration
• Operating System: Compatible with three-phase electrical systems
• Construction Type: Industrial-grade molded case design
• Application: Main power distribution, industrial feeders, and commercial electrical protection
• Accessory Compatibility: Supports field-installed accessories and custom configurations
• Durability: Designed for high-current and high-fault operating environments
• Temperature Rating: Rated performance at 40°C ambient temperature

Voltage and Ratings

• Maximum Voltage Rating: 600 VAC
• Interrupting Capacity:
  • 65 kA @ 240 VAC
  • 50 kA @ 480 VAC
  • 42 kA @ 600 VAC
• Current Rating: 1800A
• Poles: 3 Pole
• System Type: Three-phase electrical distribution systems

Product Data

• Product Series: PAF Series
• Breaker Family: Square D MCCB
• Installation Type: Fixed bolt-on mounting
• Lug Configuration: Without standard terminals
• Application Category: Industrial and commercial electrical distribution
• Serviceability: Supports accessory customization and installation
• Warranty Coverage: Includes repair, parts, labor, and standard shipping
• Performance Class: High interrupting capacity industrial breaker
• Compliance: Manufactured to Square D industrial safety and performance 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 repairs, replacement 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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