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Siemens HFD63B150 Molded Case Circuit Breaker
- 150A
- 3 Pole
- Bolt-On
Siemens
HFD63B150
Molded Case Circuit Breaker
Brand
Siemens
SKU
HFD63B150
Quantity
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Siemens HFD63B150 - 150A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens HFD63B150 - 150A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HFD63B150 |
| Series | HFD6 |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 25kA @ 500VDC |
| Frame Type | HFD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards, 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, Alarm Switch, Undervoltage Release, Rotary Handle, Motor Operator, Mechanical Interlock |
|---|---|
| Accessories | Line and Load Lugs Included (TA1FD350A) |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit |
Quantity
Siemens HFD63B150 - 150A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HFD63B150-R |
| Series | HFD6 |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 25kA @ 500VDC |
| Frame Type | HFD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards, 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, Alarm Switch, Undervoltage Release, Rotary Handle, Motor Operator, Mechanical Interlock |
|---|---|
| Accessories | Line and Load Lugs Included (TA1FD350A) |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit |
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Description
The Siemens HFD63B150 is a 3-pole, 150A molded case circuit breaker designed for commercial and industrial facilities. Equipped with a thermal-magnetic trip unit, it ensures reliable long-time and instantaneous circuit protection. This high-interrupting MCCB mounts into Siemens Sentron panelboards, switchboards, and motor control centers. The bolt-on design provides a secure connection for critical power networks. Rated for 600VAC, it boasts an impressive 65kAIC at 480V and 100kAIC at 240V.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HFD63B150 |
| Series | HFD6 |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 25kA @ 500VDC |
| Frame Type | HFD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards, 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, Alarm Switch, Undervoltage Release, Rotary Handle, Motor Operator, Mechanical Interlock |
|---|---|
| Accessories | Line and Load Lugs Included (TA1FD350A) |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit |
Product FAQs
8 answersWhat is the difference between the Siemens HFD63B150 and the standard FD63B150?
The HFD63B150 is the high-interrupting capacity version of the FD frame. It provides a 65kAIC rating at 480VAC, whereas the standard FD63B150 is rated for 35kAIC at 480VAC. Both breakers share the same physical dimensions and mounting footprint.
Can I use the Siemens HFD63B150 to replace an older I-T-E breaker with the exact same catalog number?
Yes. Siemens acquired I-T-E and continued manufacturing the Sentron series. A modern Siemens HFD63B150 is a direct physical and electrical replacement for the legacy I-T-E version.
What types of enclosures or panels are compatible with the HFD63B150?
This bolt-on breaker is designed for use in commercial and industrial Siemens Sentron panelboards, switchboards, and motor control centers. It requires a standard FD frame mounting space.
Will this breaker fit in a standard Siemens residential load center?
No. The HFD63B150 is a molded case circuit breaker built for industrial panelboards. It is significantly larger than residential breakers and is not compatible with load centers that require QP, BL, or BQ type breakers.
What trip adjustments are available on the HFD63B150?
This breaker features a thermal-magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.
Is the HFD63B150 suitable for direct current (DC) applications?
Yes, this breaker is rated for DC systems up to 500VDC, providing an interrupting capacity of 25kAIC at that voltage.
What wire sizes are accepted by the factory lugs on this breaker?
The standard factory-installed lugs accept 6 AWG to 350 kcmil copper wire, or 4 AWG to 350 kcmil aluminum wire. Always verify the specific torque requirements printed on the breaker label before terminating conductors.
Does the HFD63B150 provide ground fault protection?
No. This breaker is equipped with a standard LI (Long-Time, Instantaneous) trip unit. It does not include ground fault (GFPE) or arc fault capabilities, which typically require an electronic LSIG trip unit.
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