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Siemens HGB2B070B Molded Case Circuit Breaker
- 70A
- 2 Pole
- Bolt-On
Siemens
HGB2B070B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HGB2B070B
Quantity
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Siemens HGB2B070B - 70A 2 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty commercial environments, this 70A molded case circuit breaker utilizes a fixed thermal-magnetic trip mechanism. It bolts into Siemens P1, P2, and P3 panelboards to provide dependable branch protection. With a 100kAIC rating at 240VAC and reverse feed capabilities, the HGB frame offers excellent installation flexibility. This legacy unit is officially replaced by the 3VA4170-5ED24-0AA0 via an xGB/3VA strap kit.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HGB2B070B |
| Series | HGB |
| Amperage | 70A |
| 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, 14kA @ 125/250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 8-1/0 AWG (Cu), 8-2/0 AWG (Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| 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, Non-Interchangeable Trip, Trip-Free Mechanism |
Product FAQs
7 answersWhich Siemens panelboards are compatible with the HGB2B070B breaker?
This bolt-on breaker is designed for use in Siemens P1, P2, and P3 commercial panelboards.
Can I install this bolt-on breaker in a standard residential load center?
No, bolt-on breakers like the HGB2B070B are built for commercial and industrial panelboards. They will not fit in standard residential plug-on load centers.
Does the HGB2B070B come with lugs, and what wire sizes do they accept?
Yes, it includes factory-installed lugs that accommodate 8 to 1/0 AWG copper conductors or 8 to 2/0 AWG aluminum conductors.
Can the HGB2B070B be used in direct current (DC) systems?
Yes, this breaker is rated for DC applications. It provides a 14kA interrupting capacity at 125/250VDC.
Is the trip unit on the HGB2B070B adjustable?
No, it features a fixed thermal-magnetic trip unit. It provides standard long-time and instantaneous (LI) protection functions without adjustable dials.
What frame type does the HGB2B070B belong to?
It is part of the Siemens Sentron family and falls under the GB/GG frame group.
Does this breaker offer ground fault or arc fault protection?
No, the HGB2B070B is a standard thermal-magnetic breaker. It provides overload and short-circuit protection but does not include GFCI or AFCI circuitry.
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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