Square D FHL36050G Molded Case Circuit Breaker
- 50A
- 3 Pole
- Unit Mount
Quantity
Square D FHL36050G - 50A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Engineered for commercial applications, the Square D FHL36050G is a 3-pole, 50A molded case circuit breaker from the legacy F-frame family. It provides reliable thermal-magnetic protection for electrical distribution systems. This unit-mount breaker installs into compatible Square D enclosures and switchboards. It is often replaced by the modern PowerPact HGL36050, though users must verify ground fault requirements. The "G" suffix indicates a factory-installed ground fault shunt trip.Specifications
| Brand | Square D |
|---|---|
| Series | FHL |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC |
| Frame Type | F |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Enclosures, Switchboards, Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu/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 |
| Available Options | Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Line and Load Lugs Included, Shunt Trip (Factory Installed) |
| Standards | CSA C22.2 No. 5, UL 489, NEMA AB 1 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip |
Product FAQs
8 answersWhat does the "G" suffix indicate on the FHL36050G catalog number?
The "G" suffix signifies that this circuit breaker is equipped with a factory-installed ground fault shunt trip accessory. It is designed specifically to interface with Square D GFM ground sensor systems.
Does the FHL36050G provide standalone ground fault protection?
No. While it features a ground fault shunt trip, the breaker relies on an external Square D GFM ground fault relay or sensor module to detect the fault and send the trip signal. The breaker itself only provides thermal-magnetic overcurrent and short-circuit protection.
What does the "L" in the FHL36050G part number represent?
In Square D legacy F-frame catalog numbers, the "L" designates the termination type. It indicates that the breaker is supplied with mechanical lugs on both the line and load ends.
How does the FHL series differ from the standard FAL series?
Both are legacy Square D F-frame molded case circuit breakers with identical physical dimensions and mounting configurations. The FHL series is the high-interrupting version, offering a higher fault current clearing capacity than the standard FAL series.
Can the trip settings on the FHL36050G be adjusted in the field?
No. This breaker utilizes a fixed thermal-magnetic trip unit. Both the long-time (overload) and instantaneous (short-circuit) trip functions are factory calibrated and cannot be modified.
How is the FHL36050G installed in a panel?
This is a unit-mount, feed-thru circuit breaker. It is designed to be bolted directly to the backpan of compatible Square D enclosures, switchboards, or panelboards, rather than plugging onto a busbar.
What wire material and sizes are compatible with the lugs on this breaker?
The factory-installed lugs on the FHL36050G are rated for both copper and aluminum conductors, accepting wire sizes from 14 AWG up to 1/0 AWG.
Is the FHL36050G compatible with modern PowerPact enclosures?
The FHL36050G is a legacy F-frame breaker. While it fits many older Square D switchboards and enclosures, modern systems typically use the PowerPact H-frame series. You must verify that your specific panelboard or enclosure is listed to accept legacy F-frame breakers.
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Reviews
Review summary
Customers rate this product 4.7 out of 5 based on 3 reviews.
- CBChris B.Verified BuyerReviewingSquare D FHL36000M1586 - 100A 3 Pole Automatic Molded Case SwitchI recommend this productRated 5 out of 5 stars7/24/26Re-certified Breaker for Trane RTU's
We received the breaker quickly and it was the exact match for the equipment we needed. The breaker looks like new, solved out problem quickly.
- JFJeremy F.ReviewingSquare D FHL26090 - 90A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/2/22Great Product
Great pricing. Easy ordering.
- MGMichael G.ReviewingSquare D FHL36060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars5/21/18Great prices !!
Great prices and normally fast shipping times. Did have a little confusion with shipping updates.