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Siemens JXD22B225 Molded Case Circuit Breaker
- 225A
- 2 Pole
- Bolt-On
Siemens
JXD22B225
Molded Case Circuit Breaker
Brand
Siemens
SKU
JXD22B225
Quantity
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Siemens JXD22B225 - 225A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for heavy-duty commercial applications, the Siemens JXD22B225 is a 2-pole, 225A molded case circuit breaker from the Sentron series. It provides reliable thermal-magnetic protection for demanding electrical systems. This JD-frame breaker bolts into Siemens Sentron, P4, and P5 panelboards, as well as SB switchboards. It serves as a reliable replacement for older installations. Rated for 65kAIC at 240VAC, this unit features an adjustable instantaneous trip. Lugs are not included.Specifications
| Brand | Siemens |
|---|---|
| Series | JXD2 |
| Amperage | 225A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 30kA @ 250VDC |
| Frame Type | JXD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards, P4 Panelboards, P5 Panelboards, SB Switchboards, Motor Control Centers |
| Wire Gauge | 3/0 AWG - 500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 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, Padlock Attachment |
|---|---|
| Accessories | Lugs Not Included (Requires TA2J6500) |
| Standards | CSA C22.2 No. 5, HACR Rated, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, 2-Pole in 3-Pole Housing |
Product FAQs
7 answersWhich Siemens distribution equipment is compatible with the JXD22B225?
This bolt-on breaker is compatible with Siemens Sentron Panelboards, P4 and P5 Panelboards, SB Switchboards, and Motor Control Centers.
What are the acceptable wire sizes for the JXD22B225 terminals?
The standard lugs accept conductor sizes from 3/0 AWG up to 500 kcmil and are rated for both copper (Cu) and aluminum (Al) wire.
Does the JXD22B225 feature an adjustable trip unit?
Yes, it is equipped with a thermal-magnetic trip unit that features a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.
What is the adjustable instantaneous trip range for the JXD22B225?
The magnetic trip can be adjusted from a minimum of 1250A to a maximum of 2500A to coordinate with downstream devices and specific load requirements.
How is the JXD22B225 applied in DC electrical systems?
It is rated for 250VDC with a 30kAIC interrupting capacity. For 250VDC applications, this 2-pole breaker is typically wired with one pole on each leg of the supply circuit.
Can the JXD22B225 be reverse fed?
Yes. Because the JXD frame utilizes a factory-assembled, non-interchangeable trip unit, it meets UL 489 requirements for reverse-feed applications.
What is the difference between the JXD and JD frame designations?
Both belong to the Siemens JD frame family. The JXD designation indicates that the breaker is factory-assembled with a non-interchangeable trip unit, whereas standard JD breakers have interchangeable trip units.
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