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Siemens QJ23B080 Molded Case Circuit Breaker
- 80A
- 3 Pole
- Bolt-On
Siemens
QJ23B080
Molded Case Circuit Breaker
Brand
Siemens
SKU
QJ23B080
Quantity
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Siemens QJ23B080 - 80A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens QJ23B080 - 80A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | QJ23B080 |
| Series | QJ |
| Amperage | 80A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | QJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Panelboards (P1, P2, P3), Switchboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included (TA1Q300) |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, Common Trip |
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Siemens QJ23B080 - 80A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Part Number | QJ23B080-R |
| Series | QJ |
| Amperage | 80A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | QJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Panelboards (P1, P2, P3), Switchboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included (TA1Q300) |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, Common Trip |
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Description
Built for commercial applications, the Siemens QJ23B080 is a 3-pole, 80A molded case circuit breaker providing reliable power management within the SENTRON line. Designed with a bolt-on configuration, this QJ-frame breaker installs into Siemens P1, P2, and P3 panelboards. It accepts 6 AWG to 300 kcmil copper or aluminum wiring. Delivering 10kAIC at 240VAC, it features fixed thermal-magnetic trip functions for LI protection. The breaker is HACR and reverse-feed rated.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QJ23B080 |
| Series | QJ |
| Amperage | 80A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | QJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Panelboards (P1, P2, P3), Switchboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included (TA1Q300) |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, Common Trip |
Product FAQs
6 answersWhich panelboards are compatible with the Siemens QJ23B080?
This bolt-on circuit breaker is designed for installation in Siemens P1, P2, and P3 panelboards, as well as compatible Siemens switchboards.
Has the Siemens QJ23B080 been replaced by a newer model?
Yes, the QJ frame series has been superseded by the QR frame series. The direct replacement is the Siemens QR23B080, which shares the exact same form factor and mounting for seamless retrofitting.
Is the QJ23B080 circuit breaker suitable for reverse feed applications?
Yes, this breaker features a non-interchangeable trip unit and is fully rated for reverse feed applications.
Is this breaker HACR rated?
Yes, the Siemens QJ23B080 is HACR rated, making it suitable for protecting heating, air conditioning, and refrigeration equipment circuits.
What wire sizes are accepted by the lugs on this breaker?
The standard load side lugs accept 6 AWG to 300 kcmil copper conductors, or 4 AWG to 300 kcmil aluminum conductors.
Does this breaker offer common trip protection?
Yes, this 3-pole breaker features an internal common trip mechanism that ensures all three phases open simultaneously during an overload or short circuit fault.
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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.