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Siemens HEB2B080B Molded Case Circuit Breaker
- 80A
- 2 Pole
- Bolt-On
Siemens
HEB2B080B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HEB2B080B
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Siemens HEB2B080B - 80A 2 Pole Molded Case Circuit Breaker
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Description
Part of the Sentron family, the Siemens HEB2B080B is an 80A, 2-pole MCCB designed for commercial power distribution. It utilizes thermal-magnetic technology for reliable long-time and instantaneous (LI) protection. This bolt-on unit mounts into Siemens P1 through P5 panelboards and includes TA1EG10 load-side lugs. Built for demanding environments, the breaker delivers a robust 100kAIC rating at 240VAC and 65kAIC at 480VAC. It is HACR rated and meets UL 489 standards.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HEB2B080B |
| Series | HEB |
| Amperage | 80A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 42kA @ 250VDC |
| Frame Type | HEB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 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, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs (TA1EG10) |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity |
Product FAQs
6 answersWhich Siemens panelboards are compatible with the HEB2B080B circuit breaker?
This bolt-on breaker is designed for use in Siemens Sentron series panelboards, specifically the P1, P2, P3, P4, and P5 models. It requires a bolted connection directly to the panel busbar.
What wire sizes are accepted by the load lugs on the HEB2B080B?
The factory-installed lugs accept wire gauges from 14 AWG up to 1/0 AWG. The terminals are rated for both copper (Cu) and aluminum (Al) conductors.
Can the HEB2B080B be used in direct current (DC) systems?
Yes, this breaker is rated for DC applications up to 250VDC, providing an interrupting capacity of 42kA at that voltage.
How does the HEB frame differ from the NEB frame in the Sentron family?
Both share the same physical dimensions and mounting footprint, but the HEB frame offers a higher interrupting rating (65kA at 480VAC) compared to the standard NEB frame.
What does the LI trip function indicate on this breaker?
The LI designation means the breaker provides Long-Time and Instantaneous trip functions. This delivers standard thermal-magnetic protection against overloads and short circuits, without short-time or ground fault adjustments.
Are the thermal and magnetic trip settings adjustable on the HEB2B080B?
No, this breaker features fixed thermal and fixed magnetic trip settings. It does not offer field adjustability for the trip curve.
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Customers rate this product 4.0 out of 5 based on 1 review.
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- JJohnReviewingSiemens HEB3B015B - 15A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars9/19/234 Stars
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