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Siemens HQR23B225L Molded Case Circuit Breaker
- 225A
- 3 Pole
- Unit Mount
Siemens
HQR23B225L
Molded Case Circuit Breaker
Brand
Siemens
SKU
HQR23B225L
Quantity
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Siemens HQR23B225L - 225A 3 Pole Molded Case Circuit Breaker
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Description
Designed for standalone enclosures and switchboards, the Siemens HQR23B225L utilizes a unit-mount configuration with included line and load lugs. This 225A, 3-pole breaker delivers robust thermal-magnetic protection for commercial and industrial electrical systems. It serves as an exact substitute for legacy QJ23B225L and QJH23B225L components, simplifying facility maintenance. The device features a 65kAIC rating at 240VAC, a trip-free mechanism, and HACR certification for specialized loads.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HQR23B225L |
| Series | HQR |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC |
| Frame Type | HQR |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Enclosures, Switchboards, Meter Centers |
| 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 | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism |
Product FAQs
6 answersWhat panelboards are compatible with the Siemens HQR23B225L?
This bolt-on circuit breaker is designed for installation in Siemens P1, P2, and P3 panelboards, as well as compatible switchboards, meter centers, and standalone enclosures.
Can the HQR23B225L replace older Siemens QJ frame breakers?
Yes, the QR frame is the direct successor to the legacy QJ frame. The HQR23B225L serves as an exact physical replacement for discontinued models like the QJH23B225L, and can also replace the standard QJ23B225L.
What does the L suffix indicate in the HQR23B225L catalog number?
The L suffix indicates that the circuit breaker comes factory-equipped with both line and load side lugs. These installed lugs accept aluminum or copper conductors ranging from 3 AWG to 300 kcmil.
Is the HQR23B225L approved for reverse feed applications?
Yes, this circuit breaker is UL listed for reverse feed applications, allowing it to be back-fed when required by the electrical system design.
Is this breaker suitable for protecting HVAC equipment?
Yes, the HQR23B225L is HACR rated, making it approved for use with commercial heating, air conditioning, and refrigeration equipment.
Does the HQR23B225L feature a manual testing mechanism?
Yes, Siemens QR frame breakers include a push-to-trip button on the faceplate, allowing electricians to manually verify the mechanical tripping operation during maintenance.
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