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Square D MAP26300 - Molded Case 300A 2-Pole Thermal Magnetic

Square D
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Square D MAP26300 Circuit Breaker - Molded Case 300A 2-Pole Thermal Magnetic The Square D MAP26300 is a 300A, 2-pole molded case circuit breaker from the MAP Series, designed for overcurrent protection in industrial power distribution systems. It operates at a maximum voltage rating of 600V and provides a 30kA interrupting capacity at 480V, with LI (Long-Time and Instantaneous) protection functions for reliable fault clearing. This bolt-on unit features an M Frame size, weighs 35 lb, and is constructed with a thermal magnetic trip mechanism for precise current sensing. It complies with industry standards for single-phase applications, ensuring robust performance in demanding environments. Typical applications include motor control centers, panelboards, and switchboards requiring high-amperage branch circuit protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, Bolt-On
  • Voltage Rating: 600V
  • Current Rating: 300A
  • Dimensions: M Frame
  • Standards: UL, CSA
  • Applications: Industrial power distribution, motor control centers, panelboards
  • Switch Type: Circuit Breaker
  • Configuration: 2-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: 40°C
  • Shipping Dimensions: 6.0 x 4.0 x 3.0 in
  • Phase: 1
  • Voltage: 600V
  • Amperage: 300A
  • AIC rating: 30kA@480V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: N/A
  • Breaker Type: Molded Case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: 105°C
  • 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: Bolt-On
  • 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: 300A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: N/A
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single Phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: M Frame
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: M Frame
  • Current Rating: 300A
  • 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: 785901234567
  • GTIN: 00785901234567