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Siemens HGB1B030B Molded Case Circuit Breaker
- 30A
- 1 Pole
- Bolt-On
Siemens
HGB1B030B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HGB1B030B
Quantity
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Siemens HGB1B030B - 30A 1 Pole Molded Case Circuit Breaker
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Description
Designed for broad compatibility, the Siemens HGB1B030B is a 30A, 1-pole molded case circuit breaker providing fixed thermal and magnetic trip functions. This bolt-on breaker fits seamlessly into Siemens P1, P2, P3, P4, and P5 panelboards. For future-proofing, it is replaced by the 3VA5130-5ED12-0AA0 with a mounting kit. With a high interrupting capacity of 65kAIC at 120VAC and 35kAIC at 277VAC, it safely handles severe fault currents. It is HACR rated and supports reverse feed.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HGB1B030B |
| Series | HGB |
| Amperage | 30A |
| 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, P4, P5 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, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, High Interrupting Capacity |
Product FAQs
6 answersWhich panelboards are compatible with the Siemens HGB1B030B?
This bolt-on circuit breaker is designed for use in Siemens P1, P2, P3, P4, and P5 panelboards.
What wire sizes are accepted by the lugs on the HGB1B030B?
The load side lugs accept 14 to 6 AWG copper wire or 12 to 6 AWG aluminum wire.
Can the HGB1B030B be used in DC applications?
Yes, this breaker is rated for DC applications with an interrupting capacity of 42kA at 125VDC.
What is the interrupting rating of this breaker at 277VAC versus 347VAC?
The HGB1B030B provides an interrupting rating of 35kA at 277VAC and 14kA at 347VAC.
How does the HGB frame differ from NGB and LGB frames?
They share the same physical dimensions and panelboard compatibility but differ in interrupting capacity. The NGB is the standard rating, the HGB offers a high interrupting rating, and the LGB provides the highest interrupting capacity in the GB frame family.
Are the trip settings adjustable on the HGB1B030B?
No, this thermal magnetic breaker features fixed thermal and fixed magnetic trip settings for both long-time and instantaneous protection.
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