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Siemens HFD63B250L Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Siemens
HFD63B250L
Molded Case Circuit Breaker
Brand
Siemens
SKU
HFD63B250L
Quantity
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Siemens HFD63B250L - 250A 3 Pole Molded Case Circuit Breaker
New
Quantity
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Description
Utilizing a unit-mount configuration with included line and load lugs, this 250A Sentron breaker serves heavy-duty commercial applications. The component integrates into Siemens P1, P2, and P3 panelboards or functions as a standalone enclosure disconnect. While eventually replaced by the 3VA5225-6EC31-0AA0, this original FD-frame model offers a 65kAIC rating at 480VAC and an interchangeable thermal-magnetic trip unit.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HFD63B250L |
| Series | HFD6 |
| 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 Sentron Panelboards (P1, P2, P3), Switchboards, Motor Control Centers |
| Wire Gauge | 6 AWG - 350 kcmil (Cu), 4 AWG - 350 kcmil (Al) |
| Max Wire | 350 kcmil |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| 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, Motor Operator, Rotary Handle |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit, Reverse Feed |
Product FAQs
7 answersWhat panelboards are compatible with the HFD63B250L?
This unit-mount breaker is designed to integrate into Siemens Sentron P1, P2, and P3 panelboards, as well as compatible switchboards and motor control centers.
What does the H in the HFD63B250L catalog number signify?
The H indicates that this is the high-interrupting capacity version of the standard FD frame, providing up to 65kAIC at 480VAC and 25kAIC at 600VAC.
Does the HFD63B250L come with mounting lugs?
Yes, the L suffix in the catalog number indicates that factory-installed line and load side lugs are included.
Are the included lugs rated for both copper and aluminum conductors?
Yes, the lugs are dual-rated. They accept 6 AWG to 350 kcmil copper (Cu) wire or 4 AWG to 350 kcmil aluminum (Al) wire.
Can the HFD63B250L replace a standard FD63B250?
Yes, it shares the exact same physical dimensions and mounting configuration as the standard FD63B250 but offers a higher interrupting capacity for systems requiring greater fault protection.
How does the trip adjustability work on this breaker?
This thermal-magnetic breaker features a fixed thermal element for long-time overload protection, paired with an adjustable magnetic element that allows you to fine-tune the instantaneous short-circuit trip threshold.
Can the HFD63B250L be reverse fed?
Yes, this breaker is rated for reverse feed applications, meaning power can be safely supplied to either the line or load terminals.
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