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Square D QGL32250 Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Square D
QGL32250
Molded Case Circuit Breaker
Brand
Square D
SKU
QGL32250
Quantity
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Square D QGL32250 - 250A 3 Pole Molded Case Circuit Breaker
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Description
A heavy-duty solution for industrial facilities, the Square D QGL32250 is a 250A, 3-pole molded case circuit breaker. It provides fixed thermal-magnetic (LI) trip functions. Designed with a unit-mount configuration, this Q-Frame breaker fastens into Square D enclosures, panelboards, and switchboards. It accepts 4 AWG to 300 kcmil wiring via factory lugs. The device carries a 65kAIC rating at 240VAC and includes a Visi-Trip indicator to quickly spot tripped circuits.Specifications
| Brand | Square D |
|---|---|
| Part Number | QGL32250 |
| Series | QGL |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC |
| Frame Type | QGL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Individual Enclosures, Panelboards, Switchboards |
| Wire Gauge | 4 AWG-300 kcmil (Cu Only) |
| 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, Alarm Switch, Undervoltage Release, Handle Padlock Attachment |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, 80% Rated |
Product FAQs
7 answersCan I install the QGL32250 in an I-Line panelboard?
No, the QGL32250 is a unit-mount circuit breaker with feed-thru lug connections. While it is compatible with Square D panelboards and switchboards, they must be configured for unit-mounted breakers. For I-Line panelboards, you need an I-Line specific Q-Frame breaker.
What are the wire size and material requirements for the QGL32250 lugs?
The factory-installed lugs on this breaker accommodate 4 AWG to 300 kcmil wire. Note that these specific terminals are rated for copper (Cu) conductors only.
Does the QGL32250 plug directly onto a busbar?
No, this is a unit-mount, feed-thru circuit breaker. It requires hardwired cable connections at both the line and load lugs rather than plugging directly onto a busbar.
Can the QGL32250 be used to replace an older Square D Q23250 breaker?
Yes, PowerPacT Q-Frame breakers like the QGL32250 are designed as drop-in replacements for discontinued Q2-Frame breakers such as the Q23250. The QGL32250 provides a 65kAIC rating, which typically exceeds the older breaker's interrupting capacity.
Does the QGL32250 include a push-to-trip feature?
Yes, PowerPacT Q-Frame breakers feature an integral push-to-trip button on the cover. This allows electricians to manually trip the breaker to verify the mechanical operation of the trip mechanism during maintenance.
How can I tell if the QGL32250 has tripped during a fault?
The breaker features a Visi-Trip indicator and a center-tripped handle position, providing clear visual confirmation when the circuit has been interrupted by a fault.
Is the QGL32250 rated for 100 percent continuous current?
No, like most standard molded case circuit breakers, the QGL32250 carries an 80 percent continuous current rating.
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