Eaton / Cutler-HammerRD320T32W
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Eaton / Cutler-Hammer RD320TW Molded Case Circuit Breaker
- 2000A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
RD320TW
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
RD320TW
Quantity
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Eaton / Cutler-Hammer RD320TW - 2000A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial applications, the Eaton RD320TW is a 2000A, 3-pole Series C R-Frame molded case circuit breaker. This bolt-on unit installs into Eaton switchboards, motor control centers, and panelboards. It replaces older Cutler-Hammer models and is superseded by the RD320T32W. Rated at 65 kAIC at 480VAC, it features a Digitrip 310 RMS electronic trip unit. Adjustable LSIG settings provide superior coordination over standard thermal-magnetic breakers.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | RD320TW-R |
| 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 Switchboards, Motor Control Centers, Panelboards |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSIG |
| Trip Function | Long-Time, Short-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Rating Plugs, Padlock Attachment, Bell Alarm |
|---|---|
| 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, Interchangeable Trip Unit, True RMS Sensing |
Product FAQs
5 answersIs there a direct replacement or newer version of the RD320TW?
Yes, the RD320TW is superseded by the RD320T32W. Both are 2000A, 3-pole Series C R-Frame breakers, but the newer model features an updated Digitrip electronic trip unit.
Is the trip unit on the RD320TW field replaceable?
Yes, Series C R-Frame circuit breakers feature interchangeable trip units. This allows panel builders to upgrade or replace the Digitrip electronic unit without having to remove the entire breaker frame from the switchboard.
What specific trip unit technology does the RD320TW use?
It is equipped with a Digitrip 310 RMS electronic trip unit. This provides adjustable LSIG functions for precise coordination of long-time, short-time, instantaneous, and ground-fault protection.
Does the RD320TW require a rating plug for operation?
Yes, Series C R-Frame breakers with electronic trip units require a rating plug to establish the maximum continuous current rating. The plug must be installed before the breaker becomes operational.
What is the cover interlock feature on this R-Frame breaker?
The RD320TW is equipped with a safety interlock that automatically trips the breaker if the main cover is removed. The breaker cannot be reset or operated until the cover is securely screwed back into place.
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