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Siemens HEB3B045B Molded Case Circuit Breaker
- 45A
- 3 Pole
- Bolt-On
Siemens
HEB3B045B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HEB3B045B
Quantity
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Siemens HEB3B045B - 45A 3 Pole Molded Case Circuit Breaker
Re-Certified
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Siemens HEB3B045B - 45A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HEB3B045B |
| Series | HEB |
| Amperage | 45A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| Frame Type | HEB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs (TA1EG10) |
| Standards | CSA C22.2 No. 5, HACR, HID, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity |
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Siemens HEB3B045B - 45A 3 Pole Molded Case Circuit Breaker
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Quantity
| Brand | Siemens |
|---|---|
| Series | HEB |
| Amperage | 45A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| Frame Type | HEB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs (TA1EG10) |
| Standards | CSA C22.2 No. 5, HACR, HID, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity |
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Description
Engineered for commercial and industrial applications, the Siemens HEB3B045B is a 3-pole, 45A molded case circuit breaker from the Sentron family. It provides reliable thermal-magnetic protection with long-time and instantaneous (LI) trip functions. This bolt-on breaker installs into Siemens P1, P2, and P3 panelboards and features load side lugs. Rated at 65 kAIC at 480V and 100 kAIC at 240V, it is HACR and HID rated for versatile facility use. Replaced by the HEG3B045B.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HEB3B045B |
| Series | HEB |
| Amperage | 45A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| Frame Type | HEB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs (TA1EG10) |
| Standards | CSA C22.2 No. 5, HACR, HID, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity |
Product FAQs
6 answersWhich Siemens panelboards are compatible with the HEB3B045B circuit breaker?
This bolt-on breaker is designed for direct installation in Siemens P1, P2, and P3 series panelboards.
What wire sizes and materials are supported by the factory lugs on this breaker?
The terminals accept 14 to 1/0 AWG copper wire or 12 to 1/0 AWG aluminum wire.
Can the HEB3B045B be used in direct current (DC) systems?
Yes, this breaker is rated for DC applications up to 125/250VDC with a maximum interrupting capacity of 42kA.
Are the thermal or magnetic trip functions adjustable on this model?
No, this breaker features fixed thermal and fixed magnetic trip settings for standard long-time and instantaneous (LI) protection.
How does the HEB frame differ from the NEB frame?
Both share the same physical dimensions within the Sentron family, but the HEB frame offers a higher interrupting capacity (65kA at 480VAC) compared to the standard NEB frame.
Does this breaker include equipment ground fault protection?
No, this is a standard thermal-magnetic breaker. It does not provide ground fault or arc fault protection.
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Reviews
Review summary
Customers rate this product 4.0 out of 5 based on 1 review.
Total 5 star reviews: 0 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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1 review
- JJohnReviewingSiemens HEB3B015B - 15A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars9/19/234 Stars
Great service