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Square D FH16050A Molded Case Circuit Breaker
- 50A
- 1 Pole
- I-Line
Square D
FH16050A
Molded Case Circuit Breaker
Brand
Square D
SKU
FH16050A
Quantity
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Square D FH16050A - 50A 1 Pole Molded Case Circuit Breaker
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Description
Designed exclusively for Phase A bus connections, this 50A I-Line MCCB delivers high-performance fault clearing in demanding industrial applications. The plug-on style mechanism allows rapid installation into compatible Square D switchboards without extensive downtime. Rated for 65kAIC at 120VAC, the thermal-magnetic unit provides reliable long-time and instantaneous trip functions. Facilities upgrading their systems can transition to the newer BGA140501 PowerPact model when necessary.Specifications
| Brand | Square D |
|---|---|
| Part Number | FH16050A |
| Series | FH |
| Amperage | 50A |
| Poles | 1 |
| Mounting Style | I-Line |
| Voltage | 120VAC, 240VAC, 277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 120VAC, 25kA @ 240VAC, 25kA @ 277VAC, 10kA @ 125VDC |
| Frame Type | FH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line 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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Phase Connection A |
| Standards | CSA C22.2 No. 5, HACR, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Visual Trip Indicator |
Product FAQs
6 answersWhat does the "A" suffix in the FH16050A catalog number signify?
The "A" suffix indicates that this 1-pole circuit breaker is configured specifically for an A-phase connection on the I-Line busbar.
What is the modern PowerPact replacement for the legacy FH16050A?
Facilities upgrading their systems can replace this legacy F-frame breaker with the modern PowerPact B-frame series. The direct replacement is the BGA140501, which maintains the 50A rating and A-phase I-Line connection.
How does the I-Line mounting system work for this breaker?
The breaker features a plug-on design where the line side stabs directly onto the I-Line panelboard busbar. The load side utilizes a standard mechanical lug for the outgoing wire connection.
Can the FH16050A be installed in standard Square D NQ or NF panelboards?
No. This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It will not fit in NQ, NF, QO, or Homeline panels.
What is the difference between the Square D FA and FH circuit breakers?
Both are legacy F-frame breakers, but they differ in interrupting capacity. The FA series provides standard interrupting ratings, while the FH series delivers high interrupting ratings, such as 65 kAIC at 120 VAC and 25 kAIC at 277 VAC.
Does the FH16050A feature a push-to-trip mechanism?
Yes, it includes a push-to-trip button on the faceplate. This allows users to manually trip the breaker to verify the mechanical operation of the trip mechanism.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 10 reviews.
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Rating
10 reviews
- DMDonald M.Verified BuyerReviewingSquare D FH36030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/18/26Excellent Service
The support team with Super Breakers went over and beyond in ensuring the breakers were on site for an emergency repair…
CAVA Construction Manager very pleased!
Donald Mayo
Mayo Electric
- PHpayton h.Verified BuyerReviewingSquare D FH36090 - 90A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/17/26great
great straightforward company has almost everything you could ever need in stock
- SGShawn G.Verified BuyerReviewingSquare D FH36020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/20/26Thanks !
Excellent service & gear per usual !
Thanks !
- EEarnestVerified BuyerReviewingSquare D FH36060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/3/25Fast delivery and quality
The breaker was in great condition.
- JPJason P.Verified BuyerReviewingSquare D FH36050 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/5/25Breakers
Order was placed and they came in on time in good condition