Square D Q1L250 Molded Case Circuit Breaker
- 50A
- 2 Pole
- Unit Mount
Quantity
Square D Q1L250 - 50A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Providing essential circuit protection, this 50A molded case circuit breaker utilizes proven thermal-magnetic technology. It delivers reliable long-time and instantaneous trip functions to prevent electrical damage. This two-pole unit mount breaker is engineered to fit Square D Q1L enclosures and OEM panels. When seeking a contemporary equivalent, the QOU250 serves as the replacement. With a 10kAIC rating at 240VAC, the device features a feed-thru connection and a Visi-Trip indicator.Specifications
| Brand | Square D |
|---|---|
| Part Number | Q1L250-R |
| Series | Q1L |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | Q1L |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Q1L Enclosures, OEM Panels |
| Wire Gauge | 8-2 AWG (Al/Cu) |
| Max Wire | 2 AWG |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Padlock Attachment |
|---|---|
| Accessories | Lugs (Factory Installed) |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
5 answersWhat is the modern replacement for the legacy Square D Q1L250?
The Square D QOU250 serves as the contemporary functional equivalent for this breaker. It provides the same 50A, 2-pole capacity for unit-mount and OEM panel applications.
Will the Q1L250 fit in a standard Square D QO or Homeline load center?
No. The Q1L250 is specifically engineered for legacy Square D Q1L enclosures and OEM panels. It does not use the standard plug-on mounting required for QO or Homeline residential load centers.
What type of overcurrent protection does the Q1L250 provide?
It utilizes a thermal-magnetic trip unit with fixed thermal and magnetic elements. This provides long-time (L) protection against gradual overloads and instantaneous (I) protection against severe short circuits.
What are the wire size requirements for installing the Q1L250?
The factory-installed lugs on this breaker accept 8 AWG to 2 AWG wire. The terminals are dual-rated for use with either aluminum or copper conductors.
How can I tell if the Q1L250 has tripped due to a fault?
The breaker is equipped with a Visi-Trip indicator. When the breaker trips due to an overload or short circuit, a highly visible red indicator appears, allowing for quick identification of the faulted circuit.
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