Default product image

Square D MHL3645025DC3903 - 3-Pole 450A Molded Case Circuit Breaker (65kA@480V)

Square D
Price
Save $-1,514.85
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Square D MHL3645025DC3903 is a 3-pole molded case circuit breaker from the MHL Series, designed for overcurrent protection in industrial and commercial power distribution systems. It is rated for 450A at 500VAC and 500VDC, with a 65kA interrupting capacity at 480VAC, utilizing a thermal magnetic trip unit for LI (Long-Time and Instantaneous) protection functions. The unit features an M Frame size with feed-thru mounting, measures 12.86 inches in height, 8.27 inches in width, and 8.05 inches in depth, and weighs 40 lb. It complies with UL Listing and CSA Certification standards for reliable performance in demanding environments. This breaker is suitable for 3-phase applications requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Square D
  • Family: MHL Series
  • Model: MHL3645025DC3903
  • Poles: 3
  • Current Rating: 450A
  • Voltage Rating: 500VAC, 500VDC
  • Interrupt Rating: 65kA @ 480VAC
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Connection: Feed-Thru
  • Phase: 3
  • Dimensions: Depth 8.05 in (204.47 mm), Width 8.27 in (210.06 mm), Height 12.86 in (326.64 mm)
  • Weight: 40 lb
  • Standards: UL Listed, CSA Certified
  • Application: Industrial, Commercial


Part Number: MHL3645025DC3903