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Siemens HGB1B015B Molded Case Circuit Breaker
- 15A
- 1 Pole
- Bolt-On
Siemens
HGB1B015B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HGB1B015B
Quantity
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Siemens HGB1B015B - 15A 1 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial power distribution, this 15-amp single-pole bolt-on breaker delivers precise thermal-magnetic protection in a compact GB-frame footprint. It installs securely into Siemens P1, P2, and P3 panelboards to serve branch circuit applications. The unit features a high interrupting capacity of 65kA at 120VAC and carries SWD and HID ratings for switching fluorescent or high-intensity discharge lighting loads. Load side lugs are included for straightforward wire termination.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HGB1B015B |
| Series | HGB |
| Amperage | 15A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 277VAC, 125VDC, 347VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 120VAC, 35kA @ 277VAC, 42kA @ 125VDC, 14kA @ 347VAC |
| Frame Type | HGB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment, Handle Tie |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, SWD, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, High Interrupting Capacity, SWD Rated, HID Rated |
Product FAQs
6 answersWhich panelboards are compatible with the Siemens HGB1B015B circuit breaker?
This bolt-on GB frame breaker is engineered for direct installation into Siemens P1, P2, and P3 commercial panelboards.
What wire sizes and materials are approved for the lugs on the HGB1B015B?
The factory-installed load lugs accept 14-6 AWG copper (Cu) conductors or 12-6 AWG aluminum (Al) conductors.
Can the HGB1B015B be used to control lighting circuits?
Yes, this 15-amp breaker carries SWD (Switching Duty) and HID (High-Intensity Discharge) ratings, making it approved for switching fluorescent and high-intensity discharge lighting loads.
Is the Siemens HGB1B015B approved for use in DC systems?
Yes, this breaker is rated for direct current applications, providing up to 42kAIC at 125VDC for specialized industrial or commercial DC circuits.
What is the difference between Siemens GB and HGB frame breakers?
The H in the HGB prefix designates a higher interrupting capacity. While standard GB breakers have lower fault current ratings, the HGB1B015B provides up to 65kAIC at 120VAC and 35kAIC at 277VAC.
Are the trip settings adjustable on the HGB1B015B?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time (thermal) overload and instantaneous (magnetic) short-circuit protection functions are factory-set and non-adjustable.
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