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JT3090T
The JT3090T is a molded case circuit breaker trip unit from Eaton Cutler-Hammer, designed for high voltage applications up to 600 VAC. Features include a 90 A amperage rating and a three-pole configuration, providing robust protection against overloads and short circuits.
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Technical specifications for JT3090T
| Manufacturer | Eaton Cutler-Hammer |
|---|---|
| Product Type | Molded Case Circuit Breaker Trip Unit |
| Product Line | Series C Circuit Breakers |
| Part Number | JT3090T |
| Weight | 1.31 lbs (0.60 kg) |
| UPC | 786679404102 |
| Voltage Rating | 600 VAC |
| Amperage Rating | 90 A |
| Number of Poles | Three Poles |
| Trip Type | T185 |
| Frame Size | Frame J-K |
| Protection Type | Overload and Short-Circuit Protection |
| Terminal Type | Thermal-Magnetic |
| Mounting Type | Installed into Breaker Frame |
| Frequency Rating | 50-60 Hz |
| Phase | 3-Phase |
| Operating Temperature | 40 °C |
| Trip Functions | Long-Time (Thermal) & Instantaneous (Magnetic) |
| Certification | UL 489 |
The Eaton Cutler-Hammer JT3090T serves as a molded case circuit breaker trip unit tailored for reliability in demanding environments. With a voltage capacity of 600 VAC, this trip unit is rated for 90 A and consists of three poles, making it suitable for substantial load management.
The circuit breaker trip unit provides essential protection features against overloads and short circuits. It employs a thermal-magnetic terminal type, allowing for consistent performance and protection. Installation into the breaker frame is straightforward, ensuring the trip unit interfaces seamlessly within existing configurations.
Designed for use in 3-phase systems, the JT3090T operates effectively across frequency ranges from 50 to 60 Hz. It features a trip function that handles both long-time (thermal) and instantaneous (magnetic) responses to overcurrent situations. The unit is also certified under UL 489, reflecting adherence to recognized safety and performance standards. Operating effectively at temperatures as high as 40 °C, this trip unit offers dependable operation in many critical industrial applications.
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