Eaton / Cutler-Hammer KD2250 Molded Case Circuit Breaker
- 250A
- 2 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer KD2250 - 250A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for robust industrial applications, the KD2250 is a 2-pole, 250A molded case circuit breaker from Eaton's Series C family. It provides dependable long-time and instantaneous (LI) protection for commercial distribution systems. This unit mount breaker installs seamlessly into Eaton Series C panelboards, Pow-R-Line 3a and 4 panelboards, switchboards, and motor control centers. Rated at 35 kAIC at 480VAC, it features a fixed thermal-magnetic trip unit and includes TA300K lugs.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | KD |
| Amperage | 250A |
| 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 | K |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Pow-R-Line 3a Panelboards, Pow-R-Line 4 Panelboards, Switchboards, Motor Control Centers |
| 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, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Handle Mechanism, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs (TA300K) |
| 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, Interchangeable Trip Unit |
Product FAQs
6 answersCan the KD2250 replace older Westinghouse or Cutler-Hammer KD breakers?
Yes. Eaton Series C K-frame breakers are backward compatible and serve as direct replacements for legacy Westinghouse and Cutler-Hammer KD breakers with matching specifications.
What is the magnetic trip adjustment range for this 250A breaker?
The adjustable magnetic trip can be set between 5 and 10 times the continuous current rating. For this 250A breaker, the instantaneous trip range is 1250A to 2500A.
Which lug kit is standard for the KD2250?
The standard pressure-type lug kit for this breaker is the TA350K, which accepts 3 AWG to 350 kcmil aluminum or copper wire.
Is the KD2250 suitable for direct current applications?
Yes, this breaker is rated for use in DC systems up to 250VDC, providing an interrupting capacity of 10kAIC for direct current circuits.
What types of enclosures and panelboards accept the KD2250?
This K-frame breaker is designed for use in Eaton Series C panelboards, Pow-R-Line 3a and Pow-R-Line 4 panelboards, as well as compatible switchboards and motor control centers.
Does the KD2250 provide ground fault protection?
No. This breaker features a standard thermal-magnetic trip unit with long-time and instantaneous (LI) functions only. It does not include integrated equipment ground fault protection.
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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!