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Eaton Cutler-Hammer Series C Circuit Breakers JT3175T

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JT3175T

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The JT3175T from Eaton Cutler-Hammer is a thermal-magnetic trip unit intended for use with Series C circuit breakers. It supports a continuous current rating of 175 A and operates at a voltage of up to 600 VAC, making it suitable for various applications.

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Technical specifications for JT3175T

ManufacturerEaton Cutler-Hammer
Product TypeThermal-Magnetic Trip Unit
Product LineSeries C Circuit Breakers
Part NumberJT3175T
Weight1.31 lbs (0.60 kg)
UPC786679404140
Rated Continuous Current175 A
Poles3 Poles
Rated Voltage600 VAC
Compatible Breaker FrameJ Frame
Trip Unit Mounting TypeNon-Interchangeable
Instantaneous Trip Range5-10x In
Electrical ConnectionBolt-In
System Frequency50/60 Hz
Mounting StyleInternal Breaker-Mounted Trip Unit
Ambient TemperatureCalibrated at 40 °C

The Eaton Cutler-Hammer part number JT3175T is a thermal-magnetic trip unit optimized for use with Series C circuit breakers. It offers a continuous current capacity of 175 A and operates efficiently within a voltage range of up to 600 VAC. This trip unit consists of three poles, ensuring reliable performance in three-phase applications.

Designed specifically for compatibility with J frame breakers, the JT3175T features an internal mounting style that enhances integration with the circuit breaker. The mounting mechanism is non-interchangeable, indicating that this trip unit is specifically designed for its intended application. An instantaneous trip range of 5 to 10 times the rated current ensures quick disconnection during fault conditions, providing enhanced protection for connected circuits.

Electrical connections are made via a bolt-in style, which allows for secure mounting and effective power transmission. This trip unit functions at system frequencies of 50 or 60 Hz, maintaining compatibility with standard electrical supply systems. Calibrated to operate optimally at an ambient temperature of 40 °C, the JT3175T ensures stability and reliability under specified conditions.