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Siemens HFXD63B175L Molded Case Circuit Breaker
- 175A
- 3 Pole
- Unit Mount
Siemens
HFXD63B175L
Molded Case Circuit Breaker
Brand
Siemens
SKU
HFXD63B175L
Quantity
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Siemens HFXD63B175L - 175A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens HFXD63B175L - 175A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HFXD63B175L |
| Series | HFXD6 |
| Amperage | 175A |
| 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 Panelboards, Switchboards, Enclosures |
| 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 |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Non-Interchangeable Trip, Reverse Feed |
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Siemens HFXD63B175L - 175A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Series | HFXD6 |
| Amperage | 175A |
| 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 Panelboards, Switchboards, Enclosures |
| 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 |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Non-Interchangeable Trip, Reverse Feed |
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Description
Built for industrial switchgear and enclosures, the Siemens HFXD63B175L is a 3-pole, 175A molded case circuit breaker. It delivers robust thermal-magnetic protection for 600VAC and 500VDC systems. This unit mount breaker includes line and load lugs, accepting 6 AWG to 350 kcmil wire. It installs into Siemens P1, P2, and P3 panelboards. The "L" suffix indicates lug inclusion, while the HFXD prefix denotes high interrupting capacity. It provides 65kAIC at 480V and features LI protection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HFXD63B175L |
| Series | HFXD6 |
| Amperage | 175A |
| 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 Panelboards, Switchboards, Enclosures |
| 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 |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Non-Interchangeable Trip, Reverse Feed |
Product FAQs
7 answersWhat panelboards accept the HFXD63B175L circuit breaker?
This unit-mount FD frame breaker installs into Siemens P1, P2, and P3 panelboards, as well as compatible Siemens switchboards and standalone enclosures. Appropriate strap kits or mounting hardware are required depending on the specific panel type.
What does the H prefix mean in the HFXD63B175L catalog number?
The H designates this as the high-interrupting capacity version of the FD frame. It provides a 65kAIC rating at 480VAC, compared to the standard FXD6 breaker which has a lower short-circuit rating.
Does the HFXD63B175L come with wire terminals?
Yes, the L suffix indicates that the breaker includes factory-installed line and load lugs. These mechanical lugs accept 6 AWG to 350 kcmil copper or aluminum conductors.
Is the trip unit on this breaker adjustable?
The thermal-magnetic trip unit features a fixed thermal element for long-time overload protection and an adjustable magnetic dial to fine-tune the instantaneous short-circuit trip threshold.
Is the HFXD63B175L rated for direct current applications?
Yes, this breaker is certified for DC systems up to 500VDC, providing an interrupting capacity of 25kAIC at that voltage.
What breaker frame family does the HFXD63B175L belong to?
It is part of the Siemens Sentron FD frame series, which is designed for feeder-level protection and covers amperages up to 250A.
What type of protection does the LI trip function provide?
The LI designation means the breaker provides Long-Time (L) protection against sustained overloads and Instantaneous (I) protection against high-level short circuits.
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