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Square D FDA34050 Molded Case Circuit Breaker
- 50A
- 3 Pole
- I-Line
Square D
FDA34050
Molded Case Circuit Breaker
Brand
Square D
SKU
FDA34050
Quantity
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Square D FDA34050 - 50A 3 Pole Molded Case Circuit Breaker
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50A 3 Pole Molded Case Circuit Breaker
50A 3 Pole Molded Case Circuit Breaker
Description
The Square D FDA34050 is a 3-pole, 50A molded case circuit breaker engineered for commercial environments. Belonging to the legacy F-Frame series, it delivers reliable thermal-magnetic protection. Designed for Square D I-Line panelboards, this breaker features a plug-on mounting style. It is an ideal maintenance replacement for older panels, with the HDA36050 serving as the modern equivalent. Featuring an 18 kAIC rating at 480VAC, it includes fixed LI trip functions and a Visi-Trip indicator.Specifications
| Brand | Square D |
|---|---|
| Part Number | FDA34050-R |
| Series | FDA |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480Y/277VAC, 18kA @ 480VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D I-Line Panelboards |
| 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 | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489, HACR |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator, HACR Rated, Non-Interchangeable Trip |
Product FAQs
7 answersWhat type of panelboards accept the FDA34050 breaker?
This breaker is designed exclusively for Square D I-Line panelboards. It features a plug-on mounting style that connects directly to the panelboard bus, making it an exact maintenance replacement for older commercial panels.
Is the FDA34050 a legacy model, and what is the modern equivalent?
Yes, the FDA34050 is part of the legacy Square D F-Frame series. While it remains a direct replacement for existing I-Line panels, the PowerPact H-Frame HDA36050 serves as the modern equivalent for newer installations.
How is the wiring configured for this I-Line breaker?
The line side of the breaker plugs directly into the I-Line panelboard bus. The load side features factory-installed lugs that accept 14 AWG to 1/0 AWG copper wire or 12 AWG to 1/0 AWG aluminum wire.
Are the trip settings on the FDA34050 adjustable?
No, this breaker features fixed thermal and fixed magnetic trip elements (LI, Long-Time and Instantaneous). It does not offer adjustable trip dials and has a non-interchangeable trip unit.
Is the FDA34050 suitable for HVAC equipment?
Yes, this breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
Does this breaker include a visual trip indicator?
Yes, the FDA34050 features a visual trip indicator. This provides a clear visual confirmation when the breaker has tripped, simplifying troubleshooting and maintenance in the panel.
Can the FDA34050 be used in direct current (DC) applications?
Yes, in addition to its standard AC ratings, this thermal-magnetic breaker is rated for DC systems, providing a 10 kA interrupting capacity at 250VDC.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
Total 5 star reviews: 2 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
2 reviews
- DNDan N.Verified BuyerReviewingSquare D FDA34030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/8/26Used Breaker
Shipped and arrived timely, well packaged, was clean and in good used condition. Outside putting it into service all has a appears to be good.
- EBErich B.Verified BuyerReviewingSquare D FDA34020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/18/25Great service
Always super easy to deal with