Eaton / Cutler-Hammer HKD3400T57WZGP Molded Case Circuit Breaker
- 400A
- 3 Pole
- Panel Mount
Quantity
Eaton / Cutler-Hammer HKD3400T57WZGP - 400A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Part of Eaton's Series C K-Frame line, the HKD3400T57WZGP delivers 400A of advanced industrial circuit protection. It is engineered for demanding environments requiring precise coordination. This panel-mount breaker installs into Eaton Series C panelboards, switchboards, and motor control centers. It is supplied without terminals to accommodate custom wiring configurations. Equipped with a Digitrip OPTIM 550 electronic trip unit, it provides adjustable LSIA functions.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | HKD |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600VAC, 22kA @ 250VDC |
| Amperage Range | 160-400A |
|---|
| Frame Type | K |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSIA |
| Trip Function | Long-Time, Short-Time, Instantaneous, Alarm |
| Trip Adjustability | Adjustable |
| Trip Unit Model | Digitrip Optim 550 |
| Available Options | Lugs, Auxiliary Switch, Shunt Trip, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Zone Selective Interlocking, PowerNet Kit, Digitrip Optim 550 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, High Interrupting Capacity, Zone Selective Interlocking, PowerNet Communication, Ground Fault Alarm |
Product FAQs
7 answersWhat equipment is the HKD3400T57WZGP designed to fit?
This K-Frame breaker is engineered for installation in Eaton Series C panelboards, switchboards, and motor control centers.
Can the HKD3400T57WZGP be used in DC electrical systems?
Yes. In addition to its AC ratings, this breaker is rated for up to 250VDC with an interrupting capacity of 22kAIC, making it suitable for select direct current applications.
What type of connection does the HKD3400T57WZGP use?
This breaker utilizes a bolt-on connection for secure and reliable panel mounting within compatible distribution equipment.
Is the HKD3400T57WZGP compatible with older Cutler-Hammer systems?
Yes. Eaton acquired Cutler-Hammer, and their Series C K-Frame breakers are fully interchangeable. This unit can directly replace older Cutler-Hammer breakers with the exact same catalog number and specifications.
How does the Ground Fault Alarm function improve system safety?
The Ground Fault Alarm alerts facility personnel to a ground fault condition without immediately tripping the breaker. This allows operators to address the safety issue without causing an unexpected power outage in critical applications.
What does the T57 suffix in the HKD3400T57WZGP catalog number indicate?
The T57 suffix indicates that the breaker is equipped with an OPTIM 550 electronic trip unit. This provides adjustable Long-Time, Short-Time, Instantaneous, and Ground Fault Alarm protection for precise system coordination.
What does the ZGP suffix mean in the HKD3400T57WZGP catalog number?
The ZGP suffix indicates the inclusion of a Zone Selective Interlocking and power kit. Zone Selective Interlocking allows the breaker to communicate with other breakers in the system to clear faults quickly, which improves system coordination and enhances safety by reducing arc flash energy.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 4 reviews.
- ASAaron S.Verified BuyerReviewingEaton / Cutler-Hammer HKD3400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/13/26Worked as advertised
Don't forget the lug kit if needed
- LHLarry H.Verified BuyerReviewingEaton / Cutler-Hammer HKD3200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/19/25It was great
New breaker
- CSCatherine S.ReviewingEaton / Cutler-Hammer HKD3400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/24/22Great
Great Service / Prompt Delivery
- FSFrank S.ReviewingEaton / Cutler-Hammer HKD3400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/23/17Breaker purchase
Purchased breaker at a great price, was in stock and shipped it out right away. Will shop at this site again in the future.