Molded Case Circuit Breaker, POWERPACT M Series, 400A, 3 Pole, 600V AC, 100kA at 240V AC MPN:MJA36400

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Brand: Square D
Part #: MJA36400
UPC: 785901572619
SKU
510-G3539566
Regular Price $14,294.69 Special Price $10,210.49

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Molded Case Circuit Breaker, POWERPACT M Series, 400A, 3 Pole, 600V AC, 100kA at 240V AC

The POWERPACT M Series Molded Case Circuit Breaker is a reliable and efficient solution for high-amperage applications. Designed for use with I Line panelboards, this 400A, 3-pole circuit breaker provides a maximum AIR rating of 25kA at 600V AC and a high amp trip setting of 4,000A. Its electronic trip type and instantaneous trip adjustable feature ensure fast and accurate protection against overloads and short circuits. Ideal for commercial and industrial settings, this circuit breaker is perfect for applications such as motor control, power distribution, and lighting systems, providing a safe and reliable way to manage electrical power.

Top product features:

  • Instantaneous trip adjustable
  • High amp trip setting of 4,000 A
  • Electronic trip type

Top product applications:

  • Industrial electrical panels
  • Commercial electrical distribution systems
  • High-amperage electrical applications
Molded Case Circuit Breaker, 400 A Amps, AC Voltage Rating 600V AC, Max. AIR Rating 25kA at 600V AC, For Use With I Line Panelboards, Series MJ, High Amp Trip Setting 4,000 A, Low Amp Trip Setting 800 A, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage Rating Not Rated, Terminal Connection Box Lug, Trip Type Electronic, Phase Three, Instantaneous Trip Adjustable, Phase Connection ABC, Frame Size 800A/M, Circuit Breaker Mounting Style Panel Mount, Height 12.9 in, Width 8.3 in

Additional Information

  • Country of Origin: KR
  • Drop Ship Item: Yes
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 32 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 18.10
  • Package Width: 12.10
  • Package Height: 10.60
  • Package Weight: 28.90
Product info last updated on February 20, 2026 6:43am UTC Category: Circuit Protection
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In stock