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Siemens HFD63B150L Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
Siemens
HFD63B150L
Molded Case Circuit Breaker
Brand
Siemens
SKU
HFD63B150L
Quantity
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Siemens HFD63B150L - 150A 3 Pole Molded Case Circuit Breaker
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Description
Built for demanding industrial applications, the Siemens HFD63B150L 3-pole, 150A molded case circuit breaker belongs to the Sentron FD frame series. It utilizes a thermal-magnetic trip unit to deliver precise long-time and instantaneous (LI) protection. Designed with a unit mount style, it installs into standalone enclosures and Siemens Sentron panelboards. Line and load lugs are included. This HACR-rated breaker handles up to 65 kAIC at 480VAC and 25 kAIC at 600VAC.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HFD63B150L |
| Series | HFD6 |
| Amperage | 150A |
| 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 | Enclosures, Siemens Sentron Panelboards, Switchboards |
| 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
7 answersWhat panelboards are compatible with the HFD63B150L circuit breaker?
This FD-frame breaker is designed for use in Siemens Sentron panelboards, switchboards, and standalone enclosures.
What is the difference between the Siemens FD63B150 and the HFD63B150L?
The HFD63B150L features a higher interrupting rating of 65 kAIC at 480V compared to the standard FD63B150, which is rated at 35 kAIC at 480V. The L suffix indicates that line and load lugs are included.
Are line and load lugs included with the HFD63B150L?
Yes, the L suffix in the catalog number indicates that standard line and load lugs, typically part number TA1FD350A, are included with the breaker.
Can the HFD63B150L be used in DC electrical systems?
Yes, this breaker is rated for use in DC applications up to 500VDC with an interrupting capacity of 25 kAIC.
How is the trip unit configured on this breaker?
It features a thermal-magnetic trip unit with fixed thermal protection for overloads and an adjustable magnetic dial to set the instantaneous short-circuit trip threshold.
Is the trip unit on the HFD63B150L interchangeable?
Yes, this breaker features an interchangeable trip unit design. The thermal-magnetic trip unit can be removed and replaced without needing to replace the entire breaker frame, unlike the non-interchangeable HFXD series.
Does the HFD63B150L provide ground fault protection?
No, this breaker features an LI (Long-Time and Instantaneous) trip unit. It does not include integral ground fault or equipment protection functions.
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