JT3090T | Allen Bradley Series C J Frame

Eaton Cutler-Hammer JT3090T

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Basic Details

MPN	JT3090T
Product Line	Series C J Frame
Manufacturer	Eaton Cutler-Hammer

DO Supply is NOT an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer’s warranty does not apply. Product comes with DO Supply's 1-year warranty.

Product Description

The JT3090T is a Variable Frequency Drive. The amperage rating of this Variable Voltage AC Drive is 90 amps.

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Technical Specifications

Amps	90 Amps
Dimensions (W x H x D)	4.13 x 10 x 4.06 inches
Frame	J
Part Number/Catalog No.	JT3090T
Poles	3

Product Type	Thermal-Magnetic Trip Unit
Rating	600 Volts AC
Series	C
Trip Unit Type	Thermal-Magnetic

About the JT3090T

The Eaton Cutler-Hammer JT3090T is a JT Type thermal-magnetic trip unit. It is the main part of the molded case circuit breaker. This trip unit can be installed onto JD, HJDDC, HJD, and JDC molded case circuit breaker frame types. All of these frame types belong to the Eaton Series C line of circuit breakers. The JT3090T has thermal-magnetic trip functions that are applicable to electrical circuits with a nominal current of 90 Amps. The users should know that the NEC requirements prescribe that overcurrent protective devices, such as the JT3090T, may be burdened to a maximum load of 80% of its nominal current rating. The Eaton JT3090T is an interchangeable trip unit equipped with an LI trip function. On the device, on the front, users can set the long-time and the instantaneous trip values over 2 red knobs.

There is also the push-to-trip button that is responsible for testing the unit’s emergency functions that can be performed when needed. The input terminals of the module can take up to 600 Volts AC voltage. There are 3 input terminals on the device, so this device is well suited for use with 3-phase systems and for motor overcurrent protection. The Cutler-Hammer JT3090T has dimensions of 4.13 inches x 10 inches x 4.06 inches (104.9 millimeters x 254.0 millimeters x 103.1 millimeters). The magnetic trip and thermal trip are adjusted by rotating the red adjustment knobs with a screwdriver. This module belongs to the medium class when it comes to the preciseness of setting, and an RMS alternating current setting value can deviate from the real tripping value by +/-10%.

Common Misspellings

Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the JT3090T:

JT309OT

JT3O90T

JT3O9OT

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.