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Siemens JXD62B250 Molded Case Circuit Breaker
- 250A
- 2 Pole
- Unit Mount
Siemens
JXD62B250
Molded Case Circuit Breaker
Brand
Siemens
SKU
JXD62B250
Quantity
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Siemens JXD62B250 - 250A 2 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens JXD62B250 - 250A 2 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Series | JXD6 |
| Amperage | 250A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 30kA @ 250VDC |
| Frame Type | JXD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (Type P4, P5, S4, S5), Switchboards, Motor Control Centers |
| 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, Lug Kits |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Quantity
Siemens JXD62B250 - 250A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Series | JXD6 |
| Amperage | 250A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 30kA @ 250VDC |
| Frame Type | JXD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (Type P4, P5, S4, S5), Switchboards, Motor Control Centers |
| 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, Lug Kits |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
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Description
Built for robust commercial and industrial power distribution, this 2-pole, 250A MCCB is part of the Siemens Sentron JD frame series. It provides dependable thermal-magnetic protection for demanding electrical infrastructure. This unit-mount breaker is compatible with Siemens Sentron P4, P5, S4, and S5 panelboards, as well as switchboards and motor control centers. The non-interchangeable trip design ensures factory-calibrated precision.Specifications
| Brand | Siemens |
|---|---|
| Series | JXD6 |
| Amperage | 250A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 30kA @ 250VDC |
| Frame Type | JXD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (Type P4, P5, S4, S5), Switchboards, Motor Control Centers |
| 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, Lug Kits |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
6 answersWhat is the difference between the Siemens JD62B250 and the JXD62B250?
The primary difference is the trip unit design. The JD62B250 features an interchangeable trip unit, while the JXD62B250 has a factory-sealed, non-interchangeable trip unit. Because the trip unit cannot be removed, the JXD62B250 is suitable for reverse-feed applications.
What is the adjustable magnetic trip range for the JXD62B250?
The instantaneous magnetic trip on this 250A breaker is adjustable from 1250A to 2500A. The thermal continuous current rating is fixed at 250 amps.
Which lug kit is compatible with the JXD62B250 circuit breaker?
This JD-frame breaker typically uses the TA2J6500 aluminum lug kit. These lugs accept 3/0 AWG to 500 kcmil copper wire or 4/0 AWG to 500 kcmil aluminum wire. Note that lugs are often sold separately and may not be included with the breaker.
Can the Siemens JXD62B250 be reverse fed?
Yes. Because the JXD62B250 is built with a non-interchangeable trip unit, it meets UL 489 requirements for reverse feeding. It can be wired with the incoming power supply connected to either the top or bottom terminals.
Which Siemens panelboards will accept the JXD62B250 breaker?
This unit-mount breaker is designed for installation in Siemens Sentron Type P4, P5, S4, and S5 panelboards. It is also compatible with standard Siemens switchboards and motor control centers.
How does the JXD62B250 mount into an electrical enclosure?
It is a unit-mount, bolt-on circuit breaker. It bolts directly to the mounting pan or bus in compatible Sentron panelboards and switchboards, providing a secure connection for high-amperage applications.
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