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Square D HJA260502 Molded Case Circuit Breaker
- 50A
- 2 Pole
- I-Line
Square D
HJA260502
Molded Case Circuit Breaker
Brand
Square D
SKU
HJA260502
Quantity
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Square D HJA260502 - 50A 2 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty applications, the Square D HJA260502 is a 50A, 2-pole molded case circuit breaker within the PowerPact H-Frame lineup. It delivers dependable thermal-magnetic protection for commercial facilities. Designed for Square D I-Line panelboards and switchboards, this breaker utilizes an AC phase connection. It easily replaces older FH26050 models to modernize existing infrastructure. The breaker features a 65kAIC rating at 480V and current-limiting capabilities.Specifications
| Brand | Square D |
|---|---|
| Part Number | HJA260502 |
| Series | HJA |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 20kA @ 250VDC |
| Frame Type | H |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Switchboards |
| Wire Gauge | 14 AWG - 3/0 AWG (Al/Cu) |
| Max Wire | 3/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle |
|---|---|
| Accessories | Load Side Lugs Included, Phase Connection AC (Factory Configured) |
| Standards | CSA C22.2 No 5, IEC 60947-2, NEMA AB1, UL 489 |
| Approval | CE, CSA, HACR, IEC, NOM, UL, UKCA |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, Reverse Feed, 80% Rated |
Product FAQs
6 answersWhat type of panelboards is the HJA260502 compatible with?
This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection.
Can the HJA260502 replace older Square D circuit breakers?
Yes, the PowerPacT H-frame HJA260502 is the direct replacement for legacy F-frame breakers, such as the FH26050, in I-Line panelboards.
What does the J in the HJA260502 catalog number indicate?
The J designates the interrupting rating tier for this PowerPacT H-frame breaker. It provides 100kA at 240VAC, 65kA at 480VAC, and 25kA at 600VAC.
What wire sizes are accepted by the lugs on this breaker?
The factory-installed lugs accept aluminum or copper wire ranging from 14 AWG to 3/0 AWG.
Are the trip settings on the HJA260502 adjustable?
This thermal-magnetic breaker features a fixed thermal trip for long-time protection and an adjustable magnetic trip for instantaneous protection.
What safety precautions should be taken before installing this I-Line breaker?
Always de-energize the panelboard or switchboard before installing or servicing the breaker. Verify that power is off using a properly rated voltage sensing device and follow all OSHA and NFPA 70E lockout and tagout procedures.
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Reviews
Review summary
Customers rate this product 4.7 out of 5 based on 15 reviews.
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Rating
15 reviews
- RFRon F.Verified BuyerReviewingSquare D HJA36050 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/27/26Square D HJA36050 review
The delivery was on and exactly what I ordered as usual. I highly recommend Super Breakers!
- CMChris M.Verified BuyerReviewingSquare D HJA36080 - 80A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/23/26Quick delivery
Everything arrived correctly and on time.
- HEHeineken E.Verified BuyerReviewingSquare D HJA36150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/9/26Quick Delivery
Good condition Quick Delivery
- JBJosh B.Verified BuyerReviewingSquare D HJA36060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/30/26Quick Shipping
Breaker showed up quickly and as described.
- JCJoe C.Verified BuyerReviewingSquare D HJA36035 - 35A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars7/29/25HJA
Shipped fast