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Siemens HGB3B080B Molded Case Circuit Breaker
- 80A
- 3 Pole
- Bolt-On
Siemens
HGB3B080B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HGB3B080B
Quantity
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Siemens HGB3B080B - 80A 3 Pole Molded Case Circuit Breaker
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Quantity
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Siemens HGB3B080B - 80A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HGB3B080B |
| Series | HGB |
| Amperage | 80A |
| 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 | 8-1/0 AWG (Cu), 8-2/0 AWG (Al) |
| Max Wire | 1/0 AWG (Cu), 2/0 AWG (Al) |
| Min Wire | 8 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 |
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Siemens HGB3B080B - 80A 3 Pole Molded Case Circuit Breaker
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| Brand | Siemens |
|---|---|
| Series | HGB |
| Amperage | 80A |
| 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 | 8-1/0 AWG (Cu), 8-2/0 AWG (Al) |
| Max Wire | 1/0 AWG (Cu), 2/0 AWG (Al) |
| Min Wire | 8 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 |
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Description
Built for industrial applications, the Siemens HGB3B080B is a 3-pole, 80A Sentron molded case circuit breaker. It features a fixed thermal-magnetic trip unit for reliable long-time and instantaneous protection. This bolt-on MCCB installs into Siemens P1 through P5 panelboards. For system upgrades, this GB frame unit is replaced by the 3VA5180-6ED31-0AA0 (requires mounting kit). Rated 35kA at 480Y/277V, it handles demanding fault currents. The unit is HACR rated and supports reverse feed.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HGB3B080B |
| Series | HGB |
| Amperage | 80A |
| 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 | 8-1/0 AWG (Cu), 8-2/0 AWG (Al) |
| Max Wire | 1/0 AWG (Cu), 2/0 AWG (Al) |
| Min Wire | 8 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 |
Product FAQs
6 answersWhich Siemens panelboards are compatible with the HGB3B080B circuit breaker?
This bolt-on breaker is designed for use in Siemens SENTRON P1, P2, P3, P4, and P5 panelboards. It mounts directly to the panelboard bus using bolt-on connections.
What wire sizes are accepted by the lugs on the HGB3B080B?
The factory-installed lugs accept 8 to 1/0 AWG copper wire or 8 to 2/0 AWG aluminum wire. Ensure proper torque specifications are followed during installation as outlined on the breaker label.
What is the difference between the Siemens NGB and HGB circuit breakers?
The prefix indicates the interrupting capacity. The HGB3B080B is the high-interrupting version, rated at 100kAIC at 240VAC and 35kAIC at 480VAC. The standard NGB version has lower short-circuit interrupting ratings. Both share the same physical GB frame footprint.
Can the HGB3B080B be used in direct current (DC) applications?
Yes, this thermal-magnetic breaker is rated for DC systems. It provides an interrupting rating of 42kAIC at 125/250VDC.
Are the thermal and magnetic trip settings adjustable on this breaker?
No, the HGB3B080B features fixed thermal (long-time) and fixed magnetic (instantaneous) trip settings. It does not have adjustable dials for customizing the trip curve.
What safety precautions are required when installing a bolt-on breaker in a P-series panelboard?
Installation should only be performed by a qualified electrician. The panelboard must be completely de-energized before bolting the breaker to the bus to prevent arc flash and shock hazards. Always verify the system voltage does not exceed the maximum 600Y/347VAC rating of the breaker.
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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