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Siemens HHFXD63B150 Molded Case Circuit Breaker
- 150A
- 3 Pole
- Bolt-On
Siemens
HHFXD63B150
Molded Case Circuit Breaker
Brand
Siemens
SKU
HHFXD63B150
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Siemens HHFXD63B150 - 150A 3 Pole Molded Case Circuit Breaker
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Description
Built to handle severe fault conditions, this 150-amp molded case circuit breaker delivers reliable long-time and instantaneous protection. It integrates perfectly into Siemens P2, P3, P4, and P5 distribution panelboards, utilizing a secure bolt-on mounting style that prevents loosening over time. Shipped without factory-installed lugs, it gives installers the flexibility to attach custom terminal hardware. The device achieves an exceptional 100kA interrupting rating at 480VAC.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HHFXD63B150 |
| Series | HHFXD6 |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 25kA @ 600VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P2, P3, P4, P5 Panelboards, Switchboards |
| 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, Lug Kits |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | Extra High Interrupting Capacity, HACR Rated, Non-Interchangeable Trip |
Product FAQs
6 answersWhich Siemens panelboards are compatible with the HHFXD63B150 circuit breaker?
This FD frame breaker is designed for use in Siemens P2, P3, P4, and P5 panelboards, as well as compatible Siemens switchboards.
What does the HH prefix designate in the HHFXD63B150 catalog number?
The HH indicates an extra high interrupting capacity for the Sentron series. It provides up to 100kA at 480VAC and 200kA at 240VAC for systems with severe fault current potential.
How does the adjustable magnetic trip function on this 150A breaker?
The thermal magnetic trip unit features fixed thermal protection for long-time overloads and an adjustable magnetic dial for instantaneous short-circuit protection. The magnetic trip range can be set between 800A and 1500A.
What does the LI trip function code mean for this Sentron breaker?
The LI designation indicates that the trip unit provides Long-Time (L) protection for standard overloads and Instantaneous (I) protection for short circuits.
Can this FD frame breaker be installed in standard residential load centers?
No. The HHFXD63B150 is a bolt-on breaker built specifically for commercial and industrial distribution panelboards and switchboards. It will not fit in standard plug-on residential load centers.
Is the trip unit on the HHFXD63B150 interchangeable?
No, this specific model is manufactured with a non-interchangeable trip unit factory-installed within the FD frame.
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