Square D FAL240501021 Molded Case Circuit Breaker
- 50A
- 2 Pole
- Unit Mount
Quantity
Square D FAL240501021 - 50A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for industrial control systems, the FAL240501021 is a 2-pole, 50A molded case circuit breaker from Square D. It includes a factory-installed shunt trip mechanism, allowing the breaker to be tripped remotely via an external control signal. This F-Frame breaker utilizes a unit mount design for integration into Square D enclosures and switchboards. For modern replacements, it crosses over to the HGL26050. Delivering 18 kAIC at 480VAC, it utilizes fixed thermal-magnetic trip technology.Specifications
| Brand | Square D |
|---|---|
| Series | FAL |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | FAL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Enclosures, Switchboards, Control Panels |
| Wire Gauge | 14-1/0 AWG (Cu), 12-1/0 AWG (Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Undervoltage Release, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Shunt Trip (Factory Installed), Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
6 answersWhat functionality does the 1021 suffix add to the FAL240501021 breaker?
The 1021 suffix denotes a factory-installed 120-240VAC shunt trip. This accessory allows the breaker to be tripped remotely, which is often required for emergency shutdown systems or remote control panels.
What is the modern replacement for the legacy FAL240501021 circuit breaker?
The Square D FAL series is part of the legacy F-Frame lineup. For new installations or modern retrofits, Schneider Electric replaced these with the PowerPact B-Frame series, which offers a more compact footprint and DIN rail mounting options while maintaining similar thermal-magnetic protection.
Are the lugs on the FAL240501021 rated for both copper and aluminum wiring?
Yes, the factory-installed lugs are dual-rated. They accept 14 to 1/0 AWG copper (Cu) conductors and 12 to 1/0 AWG aluminum (Al) conductors, providing flexibility for different feed-thru wiring applications.
Can the FAL240501021 be installed in an I-Line panelboard?
No, the FAL240501021 is a unit-mount circuit breaker designed for standard Square D enclosures, switchboards, and control panels. It does not have the plug-on jaw connections required for I-Line panelboards.
Can the FAL240501021 be used in DC power applications?
Yes, in addition to its AC ratings, this thermal-magnetic breaker is rated for 250VDC with an interrupting capacity of 10kAIC, making it suitable for specific industrial DC control circuits.
Is the trip unit on the FAL240501021 adjustable?
No, this breaker features a fixed thermal and fixed magnetic trip unit. It provides standard long-time and instantaneous (LI) protection without the ability to adjust the trip curve settings in the field.
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