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Siemens HJXD63B225 Molded Case Circuit Breaker
- 225A
- 3 Pole
- Unit Mount
Siemens
HJXD63B225
Molded Case Circuit Breaker
Brand
Siemens
SKU
HJXD63B225
Quantity
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Siemens HJXD63B225 - 225A 3 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty commercial environments, this 225A high-interrupting breaker utilizes a thermal-magnetic trip unit with adjustable magnetic settings. The non-interchangeable trip mechanism ensures precise long-time and instantaneous (LI) fault response. This unit mount configuration integrates seamlessly into Siemens Sentron P4, P5, S4, S5, and SPP panelboards.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HJXD63B225 |
| Series | HJXD6 |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600VAC, 25kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Sentron Panelboards (Type P4, P5, S4, S5, SPP), Switchboards, Enclosures |
| 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, Padlock Attachment, Mechanical Lugs, Compression Lugs |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB-1, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism |
Product FAQs
6 answersWhich Siemens panelboards accept the HJXD63B225 circuit breaker?
This unit mount breaker is compatible with Siemens Sentron panelboards, specifically types P4, P5, S4, S5, and SPP. It can also be installed in Siemens switchboards and standalone enclosures.
What is the difference between the HJXD63B225 and the standard JXD63B225?
The H in the HJXD63B225 part number indicates a high-interrupting capacity. Both share the same physical JD frame dimensions, but the HJXD63B225 provides a 65kA interrupting rating at 480VAC, whereas the standard JXD6 version has a lower short-circuit rating.
How is the trip unit configured on the HJXD63B225?
This breaker utilizes a thermal-magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit response.
What type of mounting connection does the HJXD63B225 require?
This is a unit mount breaker designed for bolt-on installation. It is not compatible with plug-in panelboard chassis.
Can the HJXD63B225 be used as a replacement for older ITE JD frame breakers?
Yes, Siemens acquired ITE and continued the Sentron series. The HJXD63B225 is a direct physical replacement for older ITE breakers with the same catalog number.
What is the maximum capacity of the frame used for the HJXD63B225?
This breaker is built on the Siemens JD frame. While this specific model is rated for 225 amps, the JD frame itself supports a maximum capacity of 400 amps.
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