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Siemens HJXD63B250L Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Siemens
HJXD63B250L
Molded Case Circuit Breaker
Brand
Siemens
SKU
HJXD63B250L
Quantity
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Siemens HJXD63B250L - 250A 3 Pole Molded Case Circuit Breaker
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Description
A key component for industrial power distribution, the Siemens HJXD63B250L is a 3-pole, 250A molded case circuit breaker. As part of the Sentron family, this JD-frame breaker utilizes a thermal-magnetic trip unit with adjustable instantaneous functions. Unlike standard bolt-on models, this unit mount version includes TA2J6500 line and load lugs for immediate installation into Siemens enclosures and switchboards. With a high interrupting capacity of 65kAIC at 480V, it ensures robust protection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HJXD63B250L |
| Series | HJXD6 |
| Amperage | 250A |
| 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 Enclosures, Switchboards |
| Wire Gauge | (2) 3/0 AWG - 500 kcmil |
| 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 | Line and Load Lugs Included (TA2J6500) |
| 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, Reverse Feed, Non-Interchangeable Trip, High Interrupting Capacity, Trip-Free Mechanism |
Product FAQs
7 answersDoes the HJXD63B250L come with lugs installed?
Yes, the L suffix in the catalog number indicates that this breaker includes factory-installed line and load lugs.
Can the Siemens HJXD63B250L be reverse fed?
Yes, Siemens HJXD6 series circuit breakers are UL Listed for reverse feed applications.
How is the trip unit on this breaker adjusted?
The HJXD63B250L features a thermal-magnetic trip unit with a fixed thermal element for long-time protection and an adjustable magnetic dial for instantaneous short-circuit protection.
What does the H prefix in the HJXD63B250L catalog number signify?
The H prefix indicates a high interrupting rating. This model provides up to 65kA at 480V AC, compared to the standard JXD6 series which offers 35kA at 480V AC.
What does the B in the HJXD63B250L catalog number indicate?
The B indicates that this is a standard breaker rated for operation in 40 degrees Celsius ambient temperatures.
What is the difference between HJXD6 and HJD6 breakers?
The X in HJXD6 indicates that the breaker has a factory-assembled, non-interchangeable trip unit. HJD6 breakers feature interchangeable trip units.
What enclosures or switchboards accept the HJXD63B250L?
This unit mount breaker is designed for use in Siemens enclosures and switchboards that accept Sentron JD Frame breakers.
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