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Siemens HQR23B175 Molded Case Circuit Breaker
- 175A
- 3 Pole
- Bolt-On
Siemens
HQR23B175
Molded Case Circuit Breaker
Brand
Siemens
SKU
HQR23B175
Quantity
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Siemens HQR23B175 - 175A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens HQR23B175 - 175A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HQR23B175 |
| Series | HQR |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC |
| Frame Type | HQR |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Enclosures |
| Wire Gauge | 3 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 3 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, Common Trip, Trip-Free Mechanism, High Interrupting Capacity |
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Siemens HQR23B175 - 175A 3 Pole Molded Case Circuit Breaker
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Quantity
| Brand | Siemens |
|---|---|
| Series | HQR |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC |
| Frame Type | HQR |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Enclosures |
| Wire Gauge | 3 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 3 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, Common Trip, Trip-Free Mechanism, High Interrupting Capacity |
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Description
Designed for commercial distribution, the Siemens HQR23B175 is a 3-pole molded case circuit breaker from the SENTRON family. It delivers dependable long-time and instantaneous (LI) protection for heavy-duty electrical systems. This bolt-on breaker mounts into Siemens P1, P2, and P3 panelboards, as well as compatible switchboards. It is a direct substitute for older QJ23B175 and QJH23B175 models. Featuring a 65kAIC rating at 240VAC, it includes fixed trip settings and is HACR rated.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HQR23B175 |
| Series | HQR |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC |
| Frame Type | HQR |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Enclosures |
| Wire Gauge | 3 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 3 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, Common Trip, Trip-Free Mechanism, High Interrupting Capacity |
Product FAQs
5 answersWhich Siemens panelboards are compatible with the HQR23B175 breaker?
This bolt-on breaker is designed for installation in Siemens P1, P2, and P3 panelboards, as well as compatible Siemens switchboards and enclosures.
Can the HQR23B175 replace older QJ frame circuit breakers?
Yes, the Siemens QR frame series is the direct successor to the discontinued QJ frame. The HQR23B175 serves as an exact substitute for older QJ23B175 and QJH23B175 models.
What wire sizes are accepted by the terminals on this breaker?
The load side lugs are designed to accept either aluminum or copper conductors ranging from 3 AWG to 300 kcmil.
What type of trip unit is equipped on the HQR23B175?
It features a non-interchangeable thermal magnetic trip unit that provides fixed long time and instantaneous (LI) trip functions to protect electrical systems against overloads and short circuits.
How does this breaker mount into the panel?
The HQR23B175 utilizes a bolt-on connection to ensure a secure, vibration-resistant installation within your distribution panel or switchboard.
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