Eaton / Cutler-Hammer DK2300 Molded Case Circuit Breaker
- 300A
- 2 Pole
- Panel Mount
Quantity
Eaton / Cutler-Hammer DK2300 - 300A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Designed for high-capacity power systems, the Eaton DK2300 is a 2-pole, 300A molded case circuit breaker from the Series C lineup. It ensures reliable electrical safety across commercial and industrial environments. This K-frame breaker mounts into Eaton Series C panelboards, switchboards, and motor control centers. The reverse-feed capable unit includes TA300K line and load lugs.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | DK2300 |
| Series | DK |
| Amperage | 300A |
| Poles | 2 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 10kA @ 250VDC |
| Frame Type | DK |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Motor Control Centers, Switchboards |
| Wire Gauge | 3 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 3 AWG |
| 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, Padlock Attachment, Motor Operator, Rotary Handle |
|---|---|
| Accessories | Line and Load Lugs (TA300K) |
| Standards | CSA C22.2 No. 5, HACR, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
8 answersCan the Eaton DK2300 replace an older Westinghouse DK2300 breaker?
Yes, Eaton acquired the Westinghouse molded case circuit breaker line. The Eaton or Cutler-Hammer DK2300 is a direct, drop-in replacement for the original Westinghouse DK2300.
Does the DK2300 breaker include line and load lugs?
Yes, this breaker typically includes standard TA300K line and load side lugs installed from the factory.
What wire sizes are compatible with the standard lugs on the DK2300?
The standard TA300K lugs accept 3 AWG to 350 kcmil aluminum or copper (Al/Cu) conductors.
Can the DK2300 be used in DC electrical systems?
Yes, this breaker is rated for up to 250 Vdc with a 10 kAIC interrupting capacity, making it suitable for compatible direct current applications.
What does the LI trip function mean on this Series C breaker?
The LI designation indicates the thermal-magnetic trip unit provides Long-Time (thermal) protection against overloads and Instantaneous (magnetic) protection against short circuits. Both settings are fixed on the DK2300.
What types of enclosures or equipment is the DK2300 designed to fit?
This K-frame breaker is designed for use in Eaton Series C panelboards, switchboards, and motor control centers.
Is the DK2300 circuit breaker suitable for reverse-feed applications?
Yes, this thermal-magnetic breaker is reverse-feed capable, meaning it can be back-fed in applications that require it.
Is this breaker rated for heating, air conditioning, and refrigeration (HACR) equipment?
Yes, the DK2300 is HACR rated, making it suitable for protecting group motor applications in HVAC systems.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 3 reviews.
- MDMichael D.Verified BuyerReviewingEaton / Cutler-Hammer DK3400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/13/26Perfect fit and fast shipping
My animal hospital had the main breaker fail. They were able to get the breaker to me in record time. Went right in and fixed the problem.
- TPThomas P.ReviewingEaton / Cutler-Hammer DK3400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/26/23Quick and on time
The service was quick and on time, no problems with the breaker.
- LFLou F.ReviewingEaton / Cutler-Hammer DK3300 - 300A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars12/24/20Owner
Purchasing from Superbreakers has been a great experience! It was quick and easy. The inventory was awesome. We needed some advice and your crack team of experts was very helpful! Thanks!