The Square D MA26800AC 800A 2 Pole Thermal Magnetic MCCB – Plug In – 600V is a robust molded case circuit breaker designed for dependable protection in commercial and industrial electrical systems. Featuring an MA frame style with a thermal magnetic non-interchangeable trip unit, this breaker provides effective overload and short-circuit protection for demanding power distribution applications. Engineered for durability, high interrupting performance, and operational reliability, the MA26800AC is suitable for both AC and DC electrical protection requirements in heavy-duty installations.

Product Specifications

• Brand: Square D
• Model: MA26800AC
• Rated Current: 800 Ampere
• Number of Poles: 2 Pole
• Breaker Type: Thermal Magnetic Molded Case Circuit Breaker (MCCB)
• Mount Type: Plug In
• Frame Type: MA 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:
  • 42 kA @ 240 VAC
  • 30 kA @ 480 VAC
  • 22 kA @ 600 VAC
  • 14 kA @ 250 VDC
• Trip Setting Range: 4000 – 8000
• 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
• Heavy-Duty Industrial Construction

Voltage and Ratings

• Rated Operational Voltage: Up to 600 VAC
• DC Voltage Rating: 250 VDC
• Current Rating: 800A
• Pole Configuration: 2 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: Plug In
• Frame Style: MA Frame
• Suitable For: Industrial Panels and Electrical 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 represent a standard or base model configuration. Accessories purchased together with the breaker can be professionally installed according to your required setup at no additional cost. Installation and maintenance should only be performed by qualified electrical personnel in compliance with applicable electrical codes and safety regulations. Warranty coverage includes repairs, labor, replacement parts, and standard shipping necessary for recertification, excluding damage caused by misuse, improper installation, or normal operational wear.