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Siemens HEB1B020B Molded Case Circuit Breaker
- 20A
- 1 Pole
- Bolt-On
Siemens
HEB1B020B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HEB1B020B
Quantity
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Siemens HEB1B020B - 20A 1 Pole Molded Case Circuit Breaker
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Siemens HEB1B020B - 20A 1 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HEB1B020B |
| Series | HEB |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 277VAC, 125VDC, 347VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 277VAC, 42kA @ 125VDC, 25kA @ 347VAC |
| Frame Type | HEB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P3, P4, P5 Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu), 12-1/0 AWG (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 |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs Included (TA1EG10) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, SWD Rated, High Interrupting Capacity, Reverse Feed, Trip-Free Mechanism, Non-Interchangeable Trip |
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Siemens HEB1B020B - 20A 1 Pole Molded Case Circuit Breaker
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Quantity
| Brand | Siemens |
|---|---|
| Part Number | HEB1B020B-R |
| Series | HEB |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 277VAC, 125VDC, 347VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 277VAC, 42kA @ 125VDC, 25kA @ 347VAC |
| Frame Type | HEB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P3, P4, P5 Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu), 12-1/0 AWG (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 |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs Included (TA1EG10) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, SWD Rated, High Interrupting Capacity, Reverse Feed, Trip-Free Mechanism, Non-Interchangeable Trip |
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Description
Built for heavy-duty electrical systems, the Siemens HEB1B020B is a 20A, 1-pole molded case circuit breaker. It utilizes thermal-magnetic trip technology to provide consistent long-time and instantaneous protection for commercial and industrial facilities. The breaker installs into Siemens P3, P4, and P5 panelboards via a standard bolt-on connection. It serves as a legacy component, with the HEG1B020B available as a modern substitute.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HEB1B020B |
| Series | HEB |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 277VAC, 125VDC, 347VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 277VAC, 42kA @ 125VDC, 25kA @ 347VAC |
| Frame Type | HEB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P3, P4, P5 Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu), 12-1/0 AWG (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 |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs Included (TA1EG10) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, SWD Rated, High Interrupting Capacity, Reverse Feed, Trip-Free Mechanism, Non-Interchangeable Trip |
Product FAQs
6 answersWhich panelboards are compatible with the HEB1B020B circuit breaker?
This bolt-on breaker is designed for use in Siemens P3, P4, and P5 commercial and industrial panelboards. It is not compatible with standard residential plug-on load centers.
Is there a direct modern replacement for the HEB1B020B?
Yes, the HEB1B020B is a legacy component. The Siemens HEG1B020B is available as a modern substitute for this 20A, 1-pole breaker.
Can the HEB1B020B be used in DC applications?
Yes, this breaker carries a DC rating of 125VDC with an interrupting capacity of 42kAIC, making it suitable for specific control circuits or DC power applications.
What wire sizes and materials are accepted by the lugs on this breaker?
The factory-installed lugs accept 14 to 1/0 AWG copper wire or 12 to 1/0 AWG aluminum wire. Ensure proper torque specifications are followed during installation as outlined on the breaker label.
What is the difference between the NEB and HEB frame breakers?
Both belong to the Siemens EG frame family and share the same physical dimensions, but the HEB frame offers a higher interrupting capacity. The HEB1B020B provides 65kAIC at 277VAC, whereas the standard NEB frame has a lower fault current rating.
What type of trip unit does the HEB1B020B use?
It features a fixed thermal-magnetic trip unit with Long-Time and Instantaneous (LI) functions. This provides reliable protection against both sustained overloads and sudden short circuits.
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Reviews
Review summary
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
Great service