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Siemens HE43B100 Molded Case Circuit Breaker
- 100A
- 3 Pole
- Bolt-On
Siemens
HE43B100
Molded Case Circuit Breaker
Brand
Siemens
SKU
HE43B100
Quantity
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Siemens HE43B100 - 100A 3 Pole Molded Case Circuit Breaker
Re-Certified
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Siemens HE43B100 - 100A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HE43B100 |
| Series | HE |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC |
| Frame Type | HE4 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 10-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 10 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, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Quantity
Siemens HE43B100 - 100A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HE43B100-R |
| Series | HE |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC |
| Frame Type | HE4 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 10-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 10 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, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
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Description
A reliable solution for commercial circuits, the Siemens HE43B100 is a 100A, 3-pole molded case circuit breaker. It handles up to 480VAC with a 25kAIC interrupting capacity at 480V and 65kAIC at 240V, ensuring robust defense against overloads and short circuits. This E-Frame unit mounts into Siemens P1, P2, and P3 panelboards. For facilities planning future upgrades, this legacy breaker is replaced by the HED43B100 model. It features fixed thermal and magnetic trip functions.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HE43B100-R |
| Series | HE |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC |
| Frame Type | HE4 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 10-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 10 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, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
5 answersWhich panelboards are compatible with the Siemens HE43B100?
This E-Frame circuit breaker is designed for bolt-on installation in Siemens P1, P2, and P3 panelboards.
What is the direct replacement for the legacy HE43B100 breaker?
The HE43B100 is a legacy E-Frame model. For new installations or panel upgrades, it is directly replaced by the Siemens HED43B100 circuit breaker.
What wire sizes and materials are accepted by the terminals on this breaker?
The factory-installed lugs accept 10 AWG to 1/0 AWG wire and are rated for both copper (Cu) and aluminum (Al) conductors.
Are the thermal and magnetic trip functions adjustable on the HE43B100?
No, this breaker features fixed thermal and fixed magnetic trip elements for long-time and instantaneous protection.
Is the HE43B100 rated for direct current (DC) systems?
Yes, alongside its 480VAC rating, this molded case circuit breaker is rated for use in 250VDC applications.
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