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Square D Q2B32225H Molded Case Circuit Breaker
- 225A
- 3 Pole
- Bolt-On
Square D
Q2B32225H
Molded Case Circuit Breaker
Brand
Square D
SKU
Q2B32225H
Quantity
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Square D Q2B32225H - 225A 3 Pole Molded Case Circuit Breaker
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Description
Part of the legacy Q-Frame series, this 225-ampere molded case circuit breaker provides robust overcurrent protection for commercial and industrial applications. It installs into compatible Square D panelboards and switchboards, offering a secure bolt-on connection for demanding electrical environments. Featuring a 22kA interrupt rating at 240VAC, the Q2B32225H includes fixed long-time and instantaneous trip functions alongside the signature Visi-Trip indicator for rapid fault identification.Specifications
| Brand | Square D |
|---|---|
| Part Number | Q2B32225H-R |
| Series | Q2B |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D Panelboards, Switchboards |
| Wire Gauge | 4 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 4 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, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Phase Connection ABC |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Visual Trip Indicator, HACR Rated, Non-Interchangeable Trip |
Product FAQs
7 answersWhat type of enclosures or panels accept the Q2B32225H breaker?
This legacy Q-Frame breaker is designed for installation in compatible Square D panelboards and switchboards. Always verify your equipment's labeling and wiring diagram for Q2B frame compatibility prior to installation.
Can I install the Q2B32225H in a standard QO or NQOD load center?
No. The Q2B32225H is a large molded case circuit breaker designed for heavy-duty panelboards and switchboards, not standard residential or light-commercial QO or NQOD load centers. You must consult your panel's wiring diagram to confirm it specifically accepts Q2B frame breakers.
Are the lugs on the Q2B32225H rated for both aluminum and copper wire?
Yes, the factory-installed lugs are dual-rated for both aluminum (Al) and copper (Cu) conductors. They accept wire sizes from 4 AWG up to 300 kcmil. Electricians must ensure the connections are torqued to the manufacturer's specifications to prevent overheating.
Are the thermal and magnetic trip functions on the Q2B32225H adjustable?
No, this breaker features fixed thermal and fixed magnetic trip mechanisms. The long-time (L) and instantaneous (I) overcurrent protection settings are factory-calibrated and cannot be modified in the field.
Is the Q2B32225H part of a current or legacy Square D product line?
The Q2B32225H belongs to the legacy Q-Frame series of molded case circuit breakers manufactured by Square D (now Schneider Electric). It is typically sourced as a direct replacement component for existing commercial and industrial switchboards that require this specific form factor.
What does the "H" suffix in the Q2B32225H part number signify?
The "H" indicates a higher interrupting capacity compared to standard Q-Frame models. This breaker is rated to safely interrupt up to 22kA of fault current at 240V AC, providing enhanced short-circuit protection for commercial systems with higher available fault currents.
What does the "LI" trip function code mean on the Q2B32225H?
The "LI" designation indicates that the breaker's thermal-magnetic trip unit provides Long-Time (L) and Instantaneous (I) protection. The long-time function protects against sustained overloads, while the instantaneous function provides immediate tripping during severe short-circuit events.
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