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Eaton Cutler-Hammer Series C Circuit Breakers MT3400T

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MT3400T

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The MT3400T, a molded case breaker trip unit from Eaton Cutler-Hammer's Series C, is engineered to handle a current rating of 400 A. It operates efficiently under a voltage rating of 600 VAC and features a thermal magnetic trip type.

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Technical specifications for MT3400T

ManufacturerEaton Cutler-Hammer
Product TypeMolded Case Breaker Trip Unit
Product LineSeries C Circuit Breakers
Part NumberMT3400T
Weight3.00 lbs (1.36 kg)
UPC782114350188
Current Rating400 A
Voltage Rating600 VAC
Number of Poles3 Poles
Phase Type3 Phase
Trip TypeThermal Magnetic
Trip FunctionLI (Long-Time and Instantaneous)
Construction MaterialHigh-strength molded thermoset resin housing
Compatible Frame TypesFrame MDL, HMDL, HMDLDC
Mounting TypeCable In / Cable Out Mount

The Eaton Cutler-Hammer MT3400T serves as a molded case breaker trip unit with a robust design tailored for heavy-duty applications. With a current rating set at 400 Amps, this unit is capable of functioning under a voltage rating of 600 VAC. It features three poles, making it suitable for three-phase usage. A notable characteristic of the MT3400T is its thermal magnetic trip type, which combines both long-time and instantaneous trip functions, denoted as LI. This ensures protection against sustained overloads as well as immediate disconnections in the case of short circuits.

Constructed from high-strength molded thermoset resin, the housing offers both durability and resistance to environmental factors. The device weighs in at 3.00 lbs, a manageable weight that eases handling during installation. Furthermore, it is compatible with various frame types including MDL, HMDL, and HMDLDC, offering flexibility in its application across different settings. Mounting options are designed for cable in/cable out configurations, which facilitates convenient installation in electrical systems. The UPC for this unit is 782114350188, enabling straightforward identification.