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Siemens HE43B070 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Siemens
HE43B070
Molded Case Circuit Breaker
Brand
Siemens
SKU
HE43B070
Quantity
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Siemens HE43B070 - 70A 3 Pole Molded Case Circuit Breaker
Re-Certified
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Siemens HE43B070 - 70A 3 Pole Molded Case Circuit Breaker
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| Brand | Siemens |
|---|---|
| Part Number | HE43B070 |
| Series | HE |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC |
| 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 Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Quantity
Siemens HE43B070 - 70A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HE43B070 |
| Series | HE |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC |
| 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 Lugs |
| Standards | CSA C22.2 No. 5, 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
Engineered for industrial distribution, the Siemens HE43B070 is a 70A, 3-pole MCCB. It delivers robust long-time and instantaneous trip functions to safeguard commercial networks. Designed with a bolt-on mounting style, this E-frame breaker mounts into Siemens P1, P2, and P3 panelboards. The HED43B070 serves as the modern replacement for this legacy unit. Delivering 65kAIC at 240V and 25kAIC at 480V, it is HACR rated, supports reverse feed, and features a non-interchangeable trip mechanism.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HE43B070 |
| Series | HE |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC |
| 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 Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
7 answersIs the Siemens HE43B070 circuit breaker still in production?
The HE43B070 is a legacy E-frame molded case circuit breaker. The direct modern replacement for this unit is the Siemens HED43B070.
Which panelboards are compatible with the HE43B070 breaker?
This bolt-on circuit breaker is designed for installation in Siemens P1, P2, and P3 series panelboards.
Is the HE43B070 suitable for heating, air conditioning, and refrigeration applications?
Yes, this breaker is HACR rated, making it suitable for protecting heating, air conditioning, and refrigeration equipment.
Can the HE43B070 be reverse fed?
Yes, this circuit breaker supports reverse feed applications.
Does this breaker have an interchangeable trip unit?
No, the HE43B070 features a fixed thermal-magnetic trip mechanism that is non-interchangeable.
What wire sizes are accepted by the lugs on the HE43B070?
The standard lugs accept 10 AWG to 1/0 AWG copper or aluminum wire.
Can this breaker be used in DC voltage systems?
Yes, in addition to its AC ratings, the HE43B070 is rated for use in 250VDC systems.
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