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Siemens HFXD63B250L Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Siemens
HFXD63B250L
Molded Case Circuit Breaker
Brand
Siemens
SKU
HFXD63B250L
Quantity
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Siemens HFXD63B250L - 250A 3 Pole Molded Case Circuit Breaker
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Description
Designed for demanding industrial environments, this 250-amp high-interrupting FD-frame breaker utilizes thermal-magnetic trip technology for reliable overcurrent protection. It mounts into Siemens P1 through P5 panelboards, switchboards, and motor control centers. The H prefix designates an elevated 65kAIC rating at 480VAC, while the L suffix confirms the inclusion of factory-installed line and load side lugs. This unit serves as a robust solution for heavy-duty power distribution.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HFXD63B250L |
| Series | HFXD6 |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 25kA @ 500VDC |
| Frame Type | FD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5, S4, S5, SPP, FPP Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 6 AWG - 350 kcmil (Cu/Al) |
| Max Wire | 350 kcmil |
| Min Wire | 6 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, Rotary Handle, Motor Operator |
|---|---|
| Accessories | Line and Load Side Lugs |
| Standards | HACR, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism |
Product FAQs
7 answersWhat panelboards and switchboards is the Siemens HFXD63B250L compatible with?
This 250A FD-frame breaker is designed for use with Siemens P1, P2, P3, P4, P5, S4, S5, SPP, and FPP panelboards, as well as Siemens switchboards and motor control centers.
What wire sizes are accepted by the lugs on the HFXD63B250L?
The factory-installed line and load lugs accept 6 AWG to 350 kcmil copper or aluminum wire.
How does the HFXD63B250L mount into the panel?
This is a unit mount breaker with a feed-thru connection type. It bolts directly to the mounting surface or enclosure rather than plugging onto a busbar.
How is the trip unit configured on this breaker?
The HFXD63B250L features a thermal magnetic trip unit with a fixed thermal setting for long-time protection and an adjustable magnetic setting for instantaneous short-circuit protection.
What does the L suffix mean in the HFXD63B250L catalog number?
The L suffix indicates that the breaker comes completely assembled with factory-installed line and load side lugs.
What is the difference between the standard FXD63B250L and the HFXD63B250L?
The H prefix in HFXD63B250L designates a high-interrupting capacity version. It provides a 65kAIC rating at 480VAC, whereas the standard FXD6 series has a lower interrupting rating.
Can the HFXD63B250L be used in DC power systems?
Yes, this breaker is rated for up to 500VDC with an interrupting capacity of 25kAIC.
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