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Square D MA26500AB - Molded Case Circuit Breaker 500A 600V

Square D
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The Square D MA26500AB is a 2-pole molded case circuit breaker from the I-Line family, designed to provide thermal-magnetic protection for electrical systems. It is rated for 600V AC, 500A continuous current, with an interrupting capacity of 30kA at 480V AC, and operates on a single-phase configuration. This unit features an M Frame size, weighs 40 lb, and utilizes an I-Line style plug-in connection for secure installation. It complies with industry standards for overcurrent protection, offering LI (Long-Time and Instantaneous) trip functions. Typical applications include industrial power distribution panels and switchboards requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 500A
  • Dimensions: M Frame
  • Standards: UL, CSA
  • Applications: Industrial power distribution, switchboards
  • Switch Type: I-Line Style Plug-In
  • Configuration: 2-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: 40°C
  • Shipping Dimensions: N/A
  • Phase: 1
  • Voltage: 600V
  • Amperage: 500A
  • AIC rating: 30kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: I-Line
  • Breaker Type: MA
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: N/A
  • Panel Style: I-Line
  • Bus Type: I-Line
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: Plug-In
  • Hz: 50/60
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 500A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: I-Line
  • Wire Size: N/A
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single
  • Standards: UL 489
  • Compatible Frames: M Frame
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: M
  • Current Rating: 500A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: Not available
  • GTIN: Not available