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Square D FH16015A Molded Case Circuit Breaker
- 15A
- 1 Pole
- I-Line
Square D
FH16015A
Molded Case Circuit Breaker
Brand
Square D
SKU
FH16015A
Quantity
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Square D FH16015A - 15A 1 Pole Molded Case Circuit Breaker
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Square D FH16015A - 15A 1 Pole Molded Case Circuit Breaker
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| Brand | Square D |
|---|---|
| Part Number | FH16015A |
| Series | FH |
| Amperage | 15A |
| Poles | 1 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 277VAC, 10kA @ 125VDC |
| Frame Type | FH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line Switchboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| 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, SWD Rated |
Quantity
Square D FH16015A - 15A 1 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Series | FH |
| Amperage | 15A |
| Poles | 1 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 277VAC, 10kA @ 125VDC |
| Frame Type | FH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line Switchboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| 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, SWD Rated |
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Description
Engineered for commercial power distribution, the Square D FH16015A is a 1-pole, 15A molded case circuit breaker from the legacy F-Frame family. It provides reliable thermal-magnetic protection for demanding electrical systems. This plug-on MCCB mounts into Square D I-Line panelboards and switchboards using a factory-configured Phase A connection. For modern upgrades, it is replaced by the PowerPact BGA14015.Specifications
| Brand | Square D |
|---|---|
| Series | FH |
| Amperage | 15A |
| Poles | 1 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 277VAC, 10kA @ 125VDC |
| Frame Type | FH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line Switchboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| 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, SWD Rated |
Product FAQs
7 answersWhat type of panelboards is the FH16015A compatible with?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It uses a plug-on I-Line connection and is not compatible with standard QO, Homeline, or NQ/NF panels.
What does the "A" suffix in the FH16015A catalog number indicate?
The "A" indicates that this 1-pole I-Line breaker is factory-configured to connect specifically to Phase A on the panelboard bus stack. If your load requires a Phase B or Phase C connection, you will need the FH16015B or FH16015C variant instead.
What is the modern replacement for the legacy FH16015A circuit breaker?
The FH16015A is a legacy F-Frame breaker. For modern upgrades, it is superseded by the Square D PowerPact B-Frame series, specifically the BGA14015, which offers the same 15-amp rating and I-Line compatibility.
How does the FH16015A mount into the panelboard?
It utilizes an I-Line style plug-in connection. The breaker snaps directly onto the panelboard bus stack, allowing for quick installation without the need for individual bus fasteners.
Can the FH16015A be used in DC electrical systems?
Yes, in addition to its AC ratings, this breaker is rated for up to 125VDC with a 10kA interrupting capacity, making it suitable for specific direct current control and distribution circuits.
What size wire can be used with the load lugs on this breaker?
The factory-installed load lugs accept wire gauges from 14 AWG up to 4 AWG, and are compatible with both copper and aluminum conductors. Proper torque specifications must be followed during installation.
What type of trip mechanism does the FH16015A use?
It features a fixed thermal-magnetic trip unit. The thermal element provides long-time protection against overloads, while the magnetic element provides instantaneous protection against short circuits.
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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