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Square D FH26060AB Molded Case Circuit Breaker
- 60A
- 2 Pole
- I-Line
Square D
FH26060AB
Molded Case Circuit Breaker
Brand
Square D
SKU
FH26060AB
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Square D FH26060AB - 60A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for precise phase integration, the FH26060AB is a 2-pole molded case circuit breaker featuring an AB phase connection. It delivers 60 amps of thermal-magnetic protection for commercial and industrial electrical systems. This F-Frame unit mounts into Square D I-Line panelboards and switchboards, utilizing a secure plug-in design. It handles up to 600VAC with a 25kAIC interrupting rating at 480V. For system upgrades, this legacy breaker is replaced by the HGA260601.Specifications
| Brand | Square D |
|---|---|
| Part Number | FH26060AB |
| Series | FH |
| Amperage | 60A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | FH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, I-Line Switchboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Phase Connection AB |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity |
Product FAQs
7 answersWhat does the AB suffix indicate on the FH26060AB circuit breaker?
The AB suffix specifies the phase connection for this 2-pole breaker. It is engineered to connect to the A and B phases on the busbar of a Square D I-Line panelboard or switchboard.
Which panelboards accept the FH26060AB circuit breaker?
This legacy F-Frame breaker is designed exclusively for Square D I-Line panelboards and I-Line switchboards. It features a plug-in mounting style and will not fit in standard QO, NQ, or NF series panels.
What is the modern replacement for the legacy FH26060AB?
The FH series is a legacy F-Frame circuit breaker. For system upgrades, Square D replaces this model with the PowerPact H-Frame series. The direct modern equivalent is the HGA260601, which provides the same 60A rating, AB phase connection, and I-Line plug-in mounting.
What wire sizes are accepted by the load lugs on the FH26060AB?
The load lugs accommodate 14 to 1/0 AWG copper wire or 12 to 1/0 AWG aluminum wire. The line side connects directly to the panel busbar without requiring wire terminations.
Can the FH26060AB be utilized in direct current systems?
Yes, this thermal-magnetic breaker is rated for up to 250VDC with a 10kA interrupting capacity. This allows it to be deployed in specific DC control or distribution circuits alongside its standard AC applications.
Are the LI trip settings adjustable on the FH26060AB?
No. The LI designation indicates Long-Time (L) overload and Instantaneous (I) short-circuit protection, but this specific thermal-magnetic trip unit is fixed. Both parameters are factory-set and cannot be adjusted in the field.
How does the I-Line connection on the FH26060AB work?
The breaker features a plug-in jaw assembly on the line side that snaps directly onto the stepped busbar of an I-Line panelboard. This design eliminates the need for line-side wiring and allows for rapid installation.
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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