Square D FDA140201 Molded Case Circuit Breaker
- 20A
- 1 Pole
- I-Line
Square D
FDA140201
Molded Case Circuit Breaker
Brand
Square D
SKU
FDA140201
Quantity
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Square D FDA140201 - 20A 1 Pole Molded Case Circuit Breaker
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Description
Built to handle demanding industrial environments, this 20A molded case circuit breaker offers reliable overcurrent and short-circuit mitigation. It integrates into Square D I-Line switchboards using a dedicated Phase A plug-on jaw design. The F-frame unit features a 25kA interrupting capacity at 120VAC alongside a highly visible trip indicator to minimize downtime during electrical faults. For modern upgrades, this legacy component crosses over to the PowerPact BDA140201 series.Specifications
| Brand | Square D |
|---|---|
| Series | FDA |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | I-Line |
| Voltage | 120VAC, 277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 120VAC, 18kA @ 277VAC, 10kA @ 125VDC |
| Frame Type | FDA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards |
| Wire Gauge | 14-4 AWG (Cu/Al) |
| Max Wire | 4 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 | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Phase A Connection (Suffix 1) |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator, HACR Rated, SWD Rated, Non-Interchangeable Trip |
Product FAQs
6 answersWhat panelboards are compatible with the FDA140201 circuit breaker?
The FDA140201 is designed exclusively for use in Square D I-Line panelboards and switchboards. It features a plug-on jaw connection that mounts directly to the I-Line bus.
What does the 1 at the end of the FDA140201 catalog number signify?
In Square D I-Line nomenclature, the final digit indicates the phase connection. The 1 in FDA140201 means this 1-pole breaker connects to the A-phase of the panelboard bus.
What is the difference between FDA140201, FDA140202, and FDA140203?
These catalog numbers represent the exact same 20A, 1-pole breaker, but with different phase connections for the I-Line bus. The FDA140201 connects to the A-phase, the FDA140202 connects to the B-phase, and the FDA140203 connects to the C-phase.
How does the I-Line mounting style work for this breaker?
The breaker uses a plug-on jaw mechanism that grips the panelboard bus bars directly. This allows for faster installation and eliminates the need for bolt-on bus connections on the line side.
Is the Square D FDA frame still in active production?
The FDA frame is a legacy F-frame molded case circuit breaker. While it is no longer the current generation, it is often replaced by the newer Square D PowerPact series for modern upgrades.
Is the FDA140201 suitable for direct current (DC) systems?
Yes, this breaker is rated for use in DC systems up to 125VDC, where it provides a 10kAIC interrupting rating.
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