Siemens HQR22B250HL Molded Case Circuit Breaker
- 250A
- 2 Pole
- Unit Mount
Quantity
Siemens HQR22B250HL - 250A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for standalone applications, this 250A unit-mount molded case circuit breaker offers robust thermal-magnetic protection for commercial and industrial systems. It fastens securely into individual enclosures or control panels, providing an excellent replacement solution for aging FD frame installations. Boasting a 100kAIC rating at 240VAC, the breaker includes factory-installed line and load lugs, a push-to-trip testing mechanism, and a reverse-feed capable design.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HQR22B250HL |
| Series | HQR |
| Amperage | 250A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Enclosures, Individual Mounting |
| 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Reverse Feed, Push-to-Trip, Non-Interchangeable Trip, Extra High Interrupting Capacity |
Product FAQs
6 answersWhat wire sizes are compatible with the lugs on the HQR22B250HL?
The factory-installed line and load lugs accept aluminum or copper conductors ranging from 3 AWG to 300 kcmil.
Is the HQR22B250HL suitable for reverse-feed applications?
Yes, this breaker has a reverse-feed capable design, meaning the line and load connections can be swapped if required by your enclosure layout.
Can the HQR22B250HL be used to upgrade older Siemens installations?
Yes, this QR frame breaker is an excellent replacement solution for aging Siemens FD frame installations in standalone enclosures and control panels.
How does the HQR22B250HL mount within an electrical system?
This is a unit-mount, bolt-on circuit breaker designed for individual enclosures and control panels. It does not plug into a standard distribution panelboard bus.
Are the trip settings on the HQR22B250HL adjustable?
No, this breaker features a fixed thermal-magnetic trip unit. The Long-Time and Instantaneous (LI) functions are factory set and cannot be adjusted in the field.
Does this breaker include a mechanism for mechanical testing?
Yes, the HQR22B250HL includes a push-to-trip button on the face of the breaker, allowing electricians to manually verify the mechanical operation of the tripping mechanism.
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