Square-D KAP36090 90A 3 Pole Thermal Magnetic MCCB – Panel Mounted – 600V AC/DC

The Square-D KAP36090 molded case circuit breaker is designed to deliver reliable and consistent protection in industrial and commercial electrical distribution systems. Built on the KAP frame platform, it features a thermal magnetic non-interchangeable trip unit that ensures effective protection against overload and short-circuit faults. Rated at 90 amperes with a 3-pole configuration, it supports both AC and DC applications while maintaining strong interrupting performance for demanding environments. Its panel-mounted design allows secure installation and seamless integration into switchboards and electrical panels.

Product Specification

• Manufacturer: Square-D
• Model: KAP36090
• Frame Type: KAP
• Rated Current (Amperage): 90A at 40°C
• Number of Poles: 3
• Mounting Type: Panel Mounted
• Trip Unit Type: Thermal Magnetic Non-Interchangeable
• Trip Setting: 450–900
• Connection Type: Load End Terminals Standard
• Application: Industrial and Commercial Power Distribution

Technical Specification

• Interrupting Capacity:
  • 42 kA @ 240 VAC
  • 25 kA @ 480 VAC
  • 22 kA @ 600 VAC
  • 10 kA @ 250 VDC
• Protection Type: Overload and Short Circuit Protection
• Operating Mechanism: Thermal Magnetic Trip System
• Lug Type: Standard Load End
• Installation Design: Panel Mounted Configuration
• Performance Category: Standard Industrial Duty

Voltage and Ratings

• Rated Operational Voltage: 240 / 480 / 600 VAC
• DC Voltage Rating: 250 VDC
• Maximum Voltage Rating: 600 VAC
• Frequency: 50/60 Hz
• Short Circuit Breaking Capacity: Up to 42 kA

Product Data

• Frame Size: K Frame
• Connection Type: Panel Mounted
• Terminal Type: Load End Standard Lugs
• Installation Type: Panel / Switchgear Integration
• Configuration: 3 Pole MCCB
• Warranty: 1 Year (Applicable for new and certified reconditioned products)

Important Note

This product image is intended for identification purposes only and may represent a base model. Actual breaker configuration may vary depending on selected accessories or application requirements. Accessories ordered together with the breaker can be installed at no additional cost when complete configuration details are provided during checkout.

Returns are easy

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

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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.