Siemens HGB2K030B Molded Case Circuit Breaker
- 30A
- 2 Pole
- Bolt-On
Siemens
HGB2K030B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HGB2K030B
Quantity
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Siemens HGB2K030B - 30A 2 Pole Molded Case Circuit Breaker
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Description
Operating at up to 600Y/347VAC, the Siemens HGB2K030B is a 2-pole, 30A molded case circuit breaker engineered for commercial applications. It utilizes a fixed thermal-magnetic trip mechanism to protect branch circuits from overcurrent faults. This GB-frame breaker features a bolt-on mounting style for secure installation into Siemens P1-P5 panelboards. It is officially replaced by the 3VA5130-5ED21-0AA0, which requires a retrofit mounting kit.Specifications
| Brand | Siemens |
|---|---|
| Series | HGB |
| Amperage | 30A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 35kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| Frame Type | HGB2 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| Wire Gauge | 14-10 AWG (Cu/Al) |
| Max Wire | 10 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 |
|---|---|
| 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
8 answersWhich Siemens panelboards accept the HGB2K030B circuit breaker?
This bolt-on breaker is compatible with Siemens P1, P2, P3, P4, and P5 series panelboards.
How does the HGB2K030B mount within the panelboard?
The breaker uses a bolt-on connection on the line side to secure directly to the panelboard bus, while the load side utilizes mechanical lugs for wire termination.
What wire sizes and materials are supported by the load lugs?
The standard factory-installed load lugs accept 14 AWG to 10 AWG copper (Cu) or aluminum (Al) conductors.
What is the required torque for the load lugs on the HGB2K030B?
When terminating 14 AWG to 10 AWG copper or aluminum conductors, the standard TC1Q1 load lugs must be torqued to 35 lb-in.
Is the HGB2K030B suitable for direct current (DC) applications?
Yes, this breaker is rated for use in 125/250V DC systems and carries a 42kAIC interrupting rating for DC applications.
Can the trip curve be adjusted on the HGB2K030B?
No, this breaker is equipped with a fixed thermal and fixed magnetic (LI) trip unit. The long-time and instantaneous trip functions are factory calibrated and cannot be modified in the field.
What distinguishes the HGB2K030B from standard GB frame breakers?
The "H" prefix indicates a high interrupting capacity. This model provides a 35kAIC rating at 480V AC, which is higher than standard NGB frame breakers.
Does the HGB2K030B feature a trip-free mechanism?
Yes, it utilizes a trip-free overcenter toggle mechanism with repulsion contact arm construction. In the event of a fault, the contacts are forced apart and the breaker cannot be held closed by the operating handle.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
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Rating
2 reviews
- CSCody S.Verified BuyerReviewingSiemens HGB3B020B - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars12/1/25I love SuperBreakers
Excellent shipping time and everything works perfectly
- JMJessica M.ReviewingSiemens HGB3B020B - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/16/23works as intended
works as intended