Square D PAF36900G 900A 3 Pole MCCB – Ground Fault Shunt – Bolt On Mount – 600V

The Square D PAF36900G is a molded case circuit breaker designed for dependable industrial and commercial electrical distribution applications. Built on the robust PAF frame platform, it delivers stable protection with a 900 ampere current rating at 40°C and a 3-pole configuration suitable for three-phase systems. It incorporates LI (Long-Time and Instantaneous) protection functions to ensure reliable protection against overloads and short-circuit faults. The integrated ground fault shunt enhances system safety by detecting ground fault conditions, improving overall protection in critical electrical installations. With strong interrupting capacity ratings, this breaker is suitable for high-demand electrical environments requiring consistent performance and safety.

Product Specification

• Manufacturer: Square D
• Model: PAF36900G
• Frame Type: PAF Frame (P-Series)
• Breaker Type: Molded Case Circuit Breaker (MCCB)
• Current Rating: 900 Ampere (at 40°C)
• Poles: 3 Pole
• Mounting Type: Bolt-On
• Ground Fault Protection: Ground Fault Shunt Included
• Protection Functions: LI (Long-Time & Instantaneous)
• Terminal Type: Without standard terminals
• Warranty: 1 Year (In-house warranty support)

Technical Specification

• Frame Style: PAF Industrial Frame Construction
• Trip Unit Functions: Long-Time and Instantaneous (LI)
• Ground Fault Feature: Integrated ground fault shunt protection
• Connection Type: Bolt-on mounting configuration
• Operating System: Compatible with three-phase electrical systems
• Construction Type: Industrial-grade molded case design
• Application: Industrial feeders, commercial distribution panels, and power protection systems
• Accessory Compatibility: Supports field-installed accessories and customization
• Durability: Designed for continuous-duty and high-fault environments
• Temperature Rating: 40°C ambient operation standard

Voltage and Ratings

• Maximum Voltage Rating: 600 VAC
• Interrupting Capacity:
  • 65 kA @ 240 VAC
  • 50 kA @ 480 VAC
  • 42 kA @ 600 VAC
• Current Rating: 900A
• 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
• Special Feature: Ground fault shunt protection
• Application Category: Industrial and commercial power distribution
• Serviceability: Supports accessory installation and configuration
• Warranty Coverage: Includes repair, parts, labor, and standard shipping
• Compliance: Manufactured to Square D industrial safety 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.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.