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Siemens QJ23B070H Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Siemens
QJ23B070H
Molded Case Circuit Breaker
Brand
Siemens
SKU
QJ23B070H
Quantity
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Siemens QJ23B070H - 70A 3 Pole Molded Case Circuit Breaker
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Siemens QJ23B070H - 70A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | QJ23B070H |
| Series | QJ |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 6 AWG - 300 kcmil (Cu), 4 AWG - 300 kcmil (Al) |
| Max Wire | 300 kcmil |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| 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 |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, High Interrupting Capacity |
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Siemens QJ23B070H - 70A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Part Number | QJ23B070H-R |
| Series | QJ |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 6 AWG - 300 kcmil (Cu), 4 AWG - 300 kcmil (Al) |
| Max Wire | 300 kcmil |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| 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 |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, High Interrupting Capacity |
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Description
Engineered for commercial power distribution, the Siemens QJ23B070H is a 3-pole MCCB from the SENTRON family. It provides reliable long-time and instantaneous (LI) thermal-magnetic trip functions for demanding 240V electrical systems. This QJ frame breaker features a bolt-on mounting style. It integrates seamlessly into compatible Siemens panelboards and switchboards, serving as a direct replacement for the legacy HQR23B070. This 70A breaker delivers a high 42kAIC interrupting capacity.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QJ23B070H |
| Series | QJ |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 6 AWG - 300 kcmil (Cu), 4 AWG - 300 kcmil (Al) |
| Max Wire | 300 kcmil |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| 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 |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, High Interrupting Capacity |
Product FAQs
4 answersWhich Siemens panelboards are compatible with the QJ23B070H circuit breaker?
This QJ frame breaker is designed for bolt-on installation in Siemens P1, P2, and P3 series panelboards, as well as compatible switchboards and motor control centers.
What is the difference between the Siemens QJ23B070H and the standard QJ23B070?
The QJ23B070H is a Type QJ2H breaker with a high interrupting capacity of 42kA at 240VAC. The standard QJ23B070 is a Type QJ2 breaker with a standard interrupting capacity of 10kA at 240VAC.
Which lug kit is used for wire terminations on the QJ23B070H?
This breaker uses the TA1Q300 lug terminal kit on the load side. The TA1Q300 single-barrel lug accepts 6 AWG to 300 kcmil copper or 4 AWG to 300 kcmil aluminum conductors.
Can the QJ23B070H replace older legacy circuit breakers?
Yes, this Siemens breaker serves as a direct replacement for legacy ITE QJ23B070H breakers. It is also a direct replacement for the legacy HQR23B070 molded case circuit breaker.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 10 reviews.
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Rating
10 reviews
- WMWilliam M.Verified BuyerReviewingSiemens QJ23B125 - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/11/26Breaker
Perfect
- TNTimothy N.Verified BuyerReviewingSiemens QJ23B200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/27/2610% off
Arrived on time, worked when turned on
- WKWillie K.Verified BuyerReviewingSiemens QJ23B150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars7/22/26Breaker
The Breaker arrive fast and in good condition however when I looked at the specs it was not the correct one.
- PGPhil G.Verified BuyerReviewingSiemens QJ23B200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/3/26Great Service
I was in a bind for this breaker that was for an elevator, and Nick got me all the components even though their blizzard! Will use them for all my specialty breakers.
- VCVladimir C.Verified BuyerReviewingSiemens QJ22B200 - 200A 2 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars12/10/254 start
The breaker was it perfect match.,but it was missing the two top bolts.