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Eaton / Cutler-Hammer RD320T32W Molded Case Circuit Breaker
- 2000A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
RD320T32W
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
RD320T32W
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Eaton / Cutler-Hammer RD320T32W - 2000A 3 Pole Molded Case Circuit Breaker
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Description
Built for high-amperage power distribution, the Eaton RD320T32W is a 2000A molded case circuit breaker from the proven Series C lineup. It utilizes a Digitrip 310 RMS electronic trip unit with adjustable LSI settings. This 3-pole R-Frame breaker is designed for bolt-on mounting within Eaton Series C panelboards, switchboards, and motor control centers. With an interrupting capacity of 65 kAIC at 480VAC, it handles severe faults. The unit features true RMS sensing and is HACR rated.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | RD320T32W |
| Series | RD |
| Amperage | 2000A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 125kA @ 240VAC, 65kA @ 480VAC, 50kA @ 600VAC |
| Amperage Range | 1000-2000A |
|---|
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Rating Plugs, Shunt Trip, Auxiliary Switch, Undervoltage Release, Bell Alarm, Padlock Attachment, Motor Operator, Lug Kits |
|---|---|
| Accessories | Digitrip RMS 310 Electronic Trip Unit |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, True RMS Sensing, Interchangeable Trip Unit |
Product FAQs
5 answersWhat type of trip unit is included with the RD320T32W?
This breaker is equipped with a Digitrip 310 RMS solid-state electronic trip unit. It provides true RMS sensing and features adjustable Long-Time, Short-Time, and Instantaneous (LSI) settings for precise coordination in your power distribution system.
What enclosures are compatible with this R-Frame circuit breaker?
The RD320T32W is designed for bolt-on installation in Eaton and Cutler-Hammer Series C panelboards, switchboards, and motor control centers. It is also backward compatible with legacy Westinghouse equipment that accepts Series C R-Frame breakers.
How can I verify the operation of the electronic trip unit in the field?
The Digitrip 310 RMS trip unit on this breaker can be field-tested using the Eaton Seltronic test kit, catalog number SKT2. This allows technicians to verify the electronic trip functions and mechanical tripping action during routine maintenance.
What routine maintenance is recommended for this 2000A breaker?
Eaton recommends periodically cleaning the breaker surface with a dry, lint-free cloth or vacuum. You should also manually exercise the mechanism using the Push-to-Trip button and inspect all terminal connections for signs of overheating or discoloration. Do not blow debris into the breaker mechanism.
Does this breaker replace older Westinghouse 2000A R-Frame models?
Yes. Eaton acquired the Cutler-Hammer and Westinghouse circuit breaker divisions. The RD320T32W serves as the direct equivalent for legacy Westinghouse Series C R-Frame breakers with matching voltage, amperage, and LSI trip characteristics.
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