Square D FAL14025 Molded Case Circuit Breaker
- 25A
- 1 Pole
- Unit Mount
Square D
FAL14025
Molded Case Circuit Breaker
Brand
Square D
SKU
FAL14025
Quantity
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Square D FAL14025 - 25A 1 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial power distribution, the Square D FAL14025 is a 1-pole, 25A MCCB. It provides robust thermal-magnetic protection with fixed long-time and instantaneous (LI) trip functions. This unit-mount breaker installs into compatible Square D enclosures and control panels. As a legacy F-Frame component, it can be upgraded to the PowerPact B-Frame (BDL14025) series. Rated 18kAIC at 277VAC, it features a Visi-Trip indicator and carries an HACR rating for HVAC applications.Specifications
| Brand | Square D |
|---|---|
| Series | FAL |
| Amperage | 25A |
| Poles | 1 |
| Mounting Style | Unit Mount |
| Voltage | 277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 18kA @ 277VAC, 10kA @ 125VDC |
| Frame Type | F |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Enclosures, Switchboards, Control Panels |
| Wire Gauge | 14-4 AWG (Cu), 12-4 AWG (Al) |
| Max Wire | 4 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| 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 | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489, NEMA AB 1, HACR Rated |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
6 answersIs the Square D FAL14025 still manufactured, or is there a modern replacement?
The FAL14025 is a legacy F-Frame circuit breaker. While it remains available for maintaining existing infrastructure, Square D has superseded the F-Frame series with the PowerPacT B-Frame for new installations.
What types of enclosures accept the FAL14025 breaker?
This unit-mount breaker is designed for integration into compatible Square D enclosures, switchboards, and industrial control panels that accommodate legacy F-Frame molded case circuit breakers.
What are the acceptable wire sizes for the terminals on this breaker?
The included lugs accept 14 to 4 AWG copper conductors or 12 to 4 AWG aluminum conductors. Electricians must torque the lugs to the specifications printed directly on the breaker faceplate to ensure a code-compliant connection.
Can the FAL14025 be utilized in direct current (DC) circuits?
Yes, this breaker is rated for 125VDC applications, where it provides a 10kA interrupting capacity. This makes it suitable for specific industrial control and battery-backed DC distribution systems.
How is this F-Frame breaker mounted within a panel?
The FAL14025 features a feed-thru, unit-mount configuration. It is secured to the panel backpan using mounting screws and wired via line and load lugs, rather than plugging into an I-Line busbar or snapping onto a DIN rail.
How does the thermal-magnetic trip unit operate during a fault?
The fixed thermal element responds to prolonged overcurrent conditions by heating a bimetallic strip to trip the breaker. The magnetic element provides instantaneous tripping when it detects the high-level current spikes typical of a short circuit.
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