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Siemens HGB3B020B Molded Case Circuit Breaker
- 20A
- 3 Pole
- Bolt-On
Siemens
HGB3B020B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HGB3B020B
Quantity
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Siemens HGB3B020B - 20A 3 Pole Molded Case Circuit Breaker
New
Quantity
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Siemens HGB3B020B - 20A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Series | HGB |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 35kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| 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 |
|---|---|
| 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, HID Rated, Common Trip, Trip-Free Mechanism, Non-Interchangeable Trip |
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Siemens HGB3B020B - 20A 3 Pole Molded Case Circuit Breaker
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Quantity
| Brand | Siemens |
|---|---|
| Series | HGB |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 35kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| 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 |
|---|---|
| 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, HID Rated, Common Trip, Trip-Free Mechanism, Non-Interchangeable Trip |
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Description
Designed to handle demanding electrical loads, the Siemens HGB3B020B is a 20A, 3-pole molded case circuit breaker. It belongs to the Sentron GB frame family, offering fixed thermal and magnetic trip functions for industrial environments. This unit is built to mount into Siemens P1 through P5 panelboards. As a legacy transition note, this model is replaced by the 3VA5120-6ED31-0AA0 when paired with the appropriate mounting kit. With a 100kAIC rating at 240VAC, it is HACR and HID rated.Specifications
| Brand | Siemens |
|---|---|
| Series | HGB |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 35kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| 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 |
|---|---|
| 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, HID Rated, Common Trip, Trip-Free Mechanism, Non-Interchangeable Trip |
Product FAQs
6 answersWhich Siemens panelboards are compatible with the HGB3B020B circuit breaker?
This bolt-on breaker is designed for use in Siemens SENTRON P1, P2, P3, P4, and P5 panelboards.
What is the difference between the Siemens NGB, HGB, and LGB circuit breakers?
These prefixes indicate the interrupting capacity of the GB frame. The NGB is the standard rating, the HGB offers a high interrupting rating, and the LGB provides the highest interrupting capacity in this frame size. The HGB3B020B specifically provides 100kAIC at 240VAC and 35kAIC at 480VAC.
What wire sizes and materials are accepted by the lugs on the HGB3B020B?
The factory-installed lugs on this breaker accept 14 AWG to 10 AWG wire and are rated for both copper (Cu) and aluminum (Al) conductors.
Is the Siemens HGB3B020B suitable for reverse feed applications?
Yes, this thermal magnetic breaker is suitable for reverse feeding in back-fed main applications.
Can the HGB3B020B be used in direct current (DC) systems?
Yes, this breaker is rated for DC applications up to 125/250VDC, with a maximum interrupting rating of 42kAIC.
What frame family does the HGB3B020B belong to?
It belongs to the Siemens SENTRON GB frame family of molded case circuit breakers.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
Total 5 star reviews: 2 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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2 reviews
- CSCody S.Verified BuyerRated 5 out of 5 stars12/1/25I love SuperBreakers
Excellent shipping time and everything works perfectly
- JMJessica M.Rated 5 out of 5 stars8/16/23works as intended
works as intended