The Square D MAP36400 400A 3 Pole Thermal Magnetic MCCB – Panel Mounted – 600V is a molded case circuit breaker designed for reliable protection in industrial and commercial electrical distribution systems. Built on the MAP frame style with a thermal magnetic non-interchangeable trip unit, it provides consistent overload and short-circuit protection for medium-to-heavy electrical loads. Its panel-mounted configuration ensures secure installation within switchboards and control panels, supporting stable and safe power system operation.

Product Specifications

• Brand: Square D
• Model: MAP36400
• Rated Current: 400 Ampere
• Number of Poles: 3 Pole
• Breaker Type: Thermal Magnetic Molded Case Circuit Breaker (MCCB)
• Mount Type: Panel Mounted
• Frame Type: MAP Frame
• Maximum Voltage: 600 VAC
• Trip Unit Type: Non-Interchangeable
• Standard Lug Type: Load End
• Application: Industrial and Commercial Power Distribution

Technical Specifications

• Interrupting Capacity:
  • 42 kA @ 240 VAC
  • 30 kA @ 480 VAC
  • 22 kA @ 600 VAC
  • 14 kA @ 250 VDC
• Trip Setting Range: 2000 – 4000
• Operating Temperature Reference: 40°C
• Protection Type: Overload and Short Circuit Protection
• Terminal Configuration: Load End Terminals Standard
• Connection Type: Panel Mounted
• Thermal Magnetic Protection Mechanism
• Heavy-Duty Industrial Construction

Voltage and Ratings

• Rated Operational Voltage: Up to 600 VAC
• DC Voltage Rating: 250 VDC
• Current Rating: 400A
• Pole Configuration: 3 Pole
• Interrupting Rating at 240 VAC: 42 kA
• Interrupting Rating at 480 VAC: 30 kA
• Interrupting Rating at 600 VAC: 22 kA
• Interrupting Rating at 250 VDC: 14 kA
• Frequency: 50/60 Hz
• Temperature Calibration: 40°C

Product Data

• Manufacturer: Square D
• Product Condition: New / Certified Reconditioned (Depending on Availability)
• Warranty: 1 Year In-House Warranty
• Connection Style: Panel Mounted
• Frame Style: MAP Frame
• Suitable For: Industrial Panels, Switchboards, and Power Distribution Systems
• Accessory Installation: Available at No Additional Cost with Breaker Purchase
• Packaging: Standard Industrial Packaging
• Country of Origin: USA

Important Note

Product images are provided for identification purposes only and may not represent the exact configured unit. Accessories purchased together with the breaker can be installed according to your required configuration at no additional cost. Installation, operation, and maintenance must only be performed by qualified electrical professionals in accordance with applicable electrical codes and safety standards. Warranty coverage includes repairs, replacement parts, labor, and standard shipping required for recertification, excluding damage caused by misuse, improper installation, or normal operational wear and tear.