Default product image

Square D MHF36400 - Molded Case Circuit Breaker 400A 600V 3P

Square D
Price
Save $-1,764.21
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Square D MHF36400 is a molded case circuit breaker designed for providing reliable overcurrent protection in demanding three-phase industrial power distribution systems. It features a 400A current rating and a 600V AC voltage rating, housed within a robust M-Frame thermal-magnetic design for consistent performance. The breaker utilizes a bolt-on connection and provides both long-time and instantaneous (LI) trip functions, with an interrupting capacity of 65kA at 480V AC to safeguard electrical equipment. Constructed for durability, it complies with relevant industry standards and is typically applied in panelboards, switchboards, and industrial control panels where robust circuit protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: M Frame
  • Poles: 3
  • Phase: 3-Phase
  • AIC Rating: 65kA @ 480V AC
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Connection Type: Bolt-On
  • Weight: 38 lb
  • Standards: Designed to meet applicable industry standards for circuit interruption
  • Applications: Industrial power distribution, panelboards, switchboards, and motor control centers
  • Additional Info: Lugs are not included; specific lug part numbers require wiring specifications.