Eaton / Cutler-Hammer KD2300 Molded Case Circuit Breaker
- 300A
- 2 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer KD2300 - 300A 2 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Eaton / Cutler-Hammer KD2300 - 300A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | KD2300-R |
| Series | KD |
| Amperage | 300A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | KD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 250-500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 250 kcmil |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs (TA350K) |
| Standards | HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Interchangeable Trip Unit, 2-Pole in 3-Pole Housing |
Quantity
Eaton / Cutler-Hammer KD2300 - 300A 2 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | KD |
| Amperage | 300A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | KD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 250-500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 250 kcmil |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs (TA350K) |
| Standards | HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Interchangeable Trip Unit, 2-Pole in 3-Pole Housing |
Description
The KD2300 is a high-capacity 2-pole, 300A molded case circuit breaker belonging to Eaton's proven Series C K-Frame lineup. Designed for commercial and industrial power distribution, it delivers reliable long-time and instantaneous (LI) overcurrent protection. This unit mount breaker is fully compatible with Eaton Series C panelboards, motor control centers, and switchboards. It features a 35 kAIC rating at 480VAC, an interchangeable thermal-magnetic trip unit, and reverse feed capability.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | KD |
| Amperage | 300A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | KD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 250-500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 250 kcmil |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs (TA350K) |
| Standards | HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Interchangeable Trip Unit, 2-Pole in 3-Pole Housing |
Product FAQs
6 answersCan I use the Eaton KD2300 to replace an older Westinghouse or Cutler-Hammer KD2300?
Yes. Eaton acquired the Westinghouse and Cutler-Hammer circuit breaker lines. The Series C KD2300 shares the exact same physical footprint, ratings, and catalog number across all three brands, making it a direct drop-in replacement.
What are the standard lugs included with the KD2300, and what is their torque specification?
The KD2300 comes standard with TA350K aluminum lugs, which accept 250 to 500 kcmil Al/Cu wire. The wire binding screws on these lugs must be torqued to 375 in-lbs (42.4 N.m) for a secure connection.
Can I install a shunt trip or auxiliary switch in the KD2300?
Yes. The KD2300 accepts standard Eaton Series C K-frame internal accessories, including shunt trips (such as the SNT series), auxiliary switches, and undervoltage releases. These accessories mount internally under the front cover of the breaker.
Is the KD2300 shipped as a complete breaker or just the frame?
The KD2300 is a complete, factory-assembled circuit breaker. It includes the KD frame, a 300A thermal-magnetic trip unit, and standard line and load lugs, so no additional components are required for a basic installation.
Which panelboards and switchboards are compatible with the KD2300?
This breaker is designed for use in Eaton Series C panelboards, switchboards, and motor control centers. Because it is a unit-mount (feed-thru) breaker, it can also be installed in standalone enclosures or machinery control panels using standard mounting hardware.
How do I test the mechanical operation of the KD2300?
You can manually exercise the operating mechanism by pressing the PUSH-TO-TRIP button located on the front of the trip unit. This safely trips the breaker, verifying that the mechanical linkage is functioning properly before you reset it.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
- CMCorbett M.Rated 5 out of 5 stars5/25/21Great pricing
Site is easy to use, and best pricing out there.
- JPJob# P.Rated 5 out of 5 stars2/13/18Denis M. Fortino VP Premium Electric Corp.
Superbreakers provides outstanding service. My thanks to Javier for tech support!