Default product image

Square D MHL26300 - Molded Case 300A 600V 2-Pole

Square D
Price
Save $-2,079.97
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Square D MHL26300 is a 2-pole molded case circuit breaker from the MHL Series, designed for thermal-magnetic overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 300A continuous current, and provides a 65kA interrupting capacity at 480V AC with LI (Long-Time and Instantaneous) trip functions for coordinated protection. The unit features a compact M Frame size, feed-thru connection, and weighs 40 lb, constructed for robust performance in single-phase applications. This breaker complies with UL and NEMA standards for industrial electrical safety and reliability. Typical applications include feeder protection in switchboards, panelboards, and motor control centers requiring high fault current withstand.

Key Features & Specifications
  • Type: MHL Series Molded Case Circuit Breaker, Thermal-Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Dimensions: M Frame size
  • Standards: UL, NEMA
  • Applications: Feeder protection in switchboards, panelboards, motor control centers
  • Switch Type: Molded Case
  • Configuration: 2-Pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: Standard industrial
  • Shipping Dimensions: Standard M Frame
  • Phase: 1
  • Voltage: 600V
  • Amperage: 300A
  • AIC rating: 65kA@480V
  • Connection: Feed-Thru
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Trip Type: Thermal-Magnetic
  • Panel Type: Industrial
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Standard industrial
  • Panel Style: Standard
  • Bus Type: Standard
  • Fuse Class: Not applicable
  • Insulation Temperature: Standard
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panel mount
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 300A
  • Dist Voltage: 600V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 300A
  • Full Load Amp Minimum: 300A
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 300A
  • Amperage Minimum: 300A
  • Nema Rating: Standard
  • Switch Style: Molded Case
  • Wire Size: Not specified
  • Certification: UL
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: UL, NEMA
  • Compatible Frames: M Frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: M Frame
  • Current Rating: 300A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: Standard
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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