Eaton / Cutler-Hammer HJD3250W Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
HJD3250W
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
HJD3250W
Quantity
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Eaton / Cutler-Hammer HJD3250W - 250A 3 Pole Molded Case Circuit Breaker
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Description
Designed for custom terminal applications, this 250A Series C molded case circuit breaker is shipped without line and load lugs. It installs into Eaton motor control centers, switchboards, and panelboards, providing an upgrade path for legacy Westinghouse J-Frame installations. The 3-pole unit delivers 65kAIC of interrupting capacity at 480VAC, featuring reliable thermal-magnetic LI protection, reverse feed support, and an interchangeable trip unit for maximum flexibility.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | HJD3250W |
| Series | HJD |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 22kA @ 250VDC |
| Frame Type | HJD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers, Legacy Westinghouse Panelboards |
| 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 |
|---|---|
| Accessories | Without Terminals |
| 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, High Interrupting Capacity, Interchangeable Trip Unit |
Product FAQs
8 answersWhat panels are compatible with the HJD3250W circuit breaker?
This J-Frame breaker is designed for installation in Eaton Series C panelboards, switchboards, and motor control centers. It is also backward compatible with legacy Westinghouse panelboards.
What does the W suffix in the HJD3250W catalog number indicate?
The W suffix in the Eaton catalog number indicates the base breaker is manufactured without line and load terminals. When terminals are required, compatible lugs must be installed prior to wiring.
How is the trip unit configured on this breaker?
The HJD3250W features a thermal-magnetic trip unit with fixed thermal and adjustable magnetic settings. This allows electricians to adjust the instantaneous short-circuit pickup while the long-time overload protection remains fixed.
What do the LI trip functions provide on the HJD3250W?
The LI designation stands for Long-Time and Instantaneous protection. The long-time function prevents damage from sustained overloads, while the instantaneous function provides immediate tripping during severe short circuits.
Can the HJD3250W be used in direct current applications?
Yes, this breaker is rated for use in DC systems up to 250VDC, providing an interrupting capacity of 22kA at that voltage.
How does the HJD frame differ from the standard JD frame?
The HJD designation indicates a high-interrupting capacity breaker. The HJD3250W delivers 65kAIC at 480VAC, compared to the standard JD frame which is typically rated for 35kAIC at 480VAC.
Can internal accessories be added to the HJD3250W in the field?
Yes, Series C J-Frame breakers support field-installable internal accessories. Components like shunt trips, auxiliary switches, and undervoltage releases can be mounted directly into the accessory cavities of the breaker.
What is the mounting style for this J-Frame breaker?
It utilizes a unit mount, bolt-on connection for secure, hardwired installation into compatible distribution equipment.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
1 review
- JWJoe W.Verified BuyerReviewingSiemens HJD63F400 Circuit Breaker FrameI recommend this productRated 5 out of 5 stars7/16/26Exactly what we needed, delivered complete and on time.
SuperBreakers had exactly what we needed (Breaker, Trip Unit, lug kits) - the breaker came quickly and with trip unit installed (ordered as a separate item) making integration quick and easy.
Solid phone support and communication re: tracking - overall a very good purchasing experience.