The Square D NA361200 1200A 3 Pole Thermal Magnetic MCCB – Plug In – 600V is a heavy-duty molded case circuit breaker engineered for advanced protection in commercial and industrial electrical systems. Featuring an NA frame style with a thermal magnetic non-interchangeable trip unit, this breaker delivers reliable overload and short-circuit protection for high-capacity power distribution applications. Its robust construction, high interrupting capability, and dependable operational performance make it ideal for demanding electrical environments requiring maximum safety and efficiency.

Product Specifications

• Brand: Square D
• Model: NA361200
• Rated Current: 1200 Ampere
• Number of Poles: 3 Pole
• Breaker Type: Thermal Magnetic Molded Case Circuit Breaker (MCCB)
• Mount Type: Plug In
• Frame Type: N Frame
• Maximum Voltage: 600 VAC
• Trip Unit Type: Non-Interchangeable
• Standard Lug Type: Load End
• Application: Commercial and Industrial Power Distribution

Technical Specifications

• Interrupting Capacity:
  • 100 kA @ 240 VAC
  • 50 kA @ 480 VAC
  • 25 kA @ 600 VAC
• Trip Setting Range: 5000 – 10000
• Operating Temperature Reference: 40°C
• Protection Type: Overload and Short Circuit Protection
• Terminal Configuration: Load End Terminals Standard
• Connection Type: Plug In
• Thermal Magnetic Protection Mechanism
• High-Durability Industrial Design

Voltage and Ratings

• Rated Operational Voltage: Up to 600 VAC
• Current Rating: 1200A
• Pole Configuration: 3 Pole
• Interrupting Rating at 240 VAC: 100 kA
• Interrupting Rating at 480 VAC: 50 kA
• Interrupting Rating at 600 VAC: 25 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: Plug In
• Frame Style: NA Frame
• Suitable For: Industrial Panels 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 for identification purposes only and may represent a base model configuration. Accessories purchased together with the breaker can be installed according to your required setup at no additional charge. Installation and servicing should only be carried out by qualified electrical professionals following applicable safety standards and local electrical codes. The provided warranty covers repairs, labor, parts, and standard shipping required for recertification, excluding damage caused by misuse, improper handling, or normal operational wear.