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Square D HDA260502 Molded Case Circuit Breaker
- 50A
- 2 Pole
- I-Line
Square D
HDA260502
Molded Case Circuit Breaker
Brand
Square D
SKU
HDA260502
Quantity
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Square D HDA260502 - 50A 2 Pole Molded Case Circuit Breaker
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Description
Designed to mount into Square D I-Line panelboards and switchboards, the HDA260502 provides 50 amps of reliable power distribution. This two-pole PowerPact H-Frame breaker is configured with an AC phase connection and utilizes standard thermal-magnetic trip technology. It serves as an exact drop-in replacement for the legacy FA26050AC, making it ideal for facility upgrades. With an interrupting capacity of 18 kAIC at 480VAC, the unit includes a Visi-Trip indicator and carries an HACR rating.Specifications
| Brand | Square D |
|---|---|
| Series | HDA |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480Y/277VAC, 18kA @ 480VAC, 14kA @ 600Y/347VAC, 14kA @ 600VAC, 20kA @ 250VDC |
| Frame Type | H |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, Reverse Feed, 80% Rated, Non-Interchangeable Trip |
Product FAQs
9 answersWhich panelboards are compatible with the HDA260502 circuit breaker?
This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It features a plug-on line-side connection that mounts directly to the I-Line bus stack.
What does the D in the HDA260502 part number indicate?
In the Square D PowerPacT H-frame nomenclature, the D indicates the interrupting rating level. A D-rated breaker provides 25kA at 240VAC, 18kA at 480VAC, and 14kA at 600VAC.
What wire sizes and materials are accepted by the load-side lugs on this breaker?
The factory-installed lugs accept wire gauges from 14 AWG up to 3/0 AWG. The terminals are rated for both aluminum and copper conductors.
Can the HDA260502 be used in direct current (DC) systems?
Yes, this thermal-magnetic breaker is rated for DC applications. It provides a 20kA interrupting rating at 250VDC.
How is the 2-pole HDA260502 phased when installed on an I-Line bus?
The number 2 at the end of the catalog number indicates an AC phase connection. This means the breaker's line-side jaws will connect to the A and C phases of the panelboard bus.
Can the HDA260502 be used to replace older Square D F-frame breakers?
Yes, this PowerPacT H-frame breaker serves as a modern drop-in replacement for the legacy FA26050AC circuit breaker in I-Line panelboards.
Do I need a separate mounting bracket to install this breaker?
No, the HDA260502 features an integrated I-Line mounting bracket and plug-on jaws that attach directly to the panelboard bus, requiring no additional mounting hardware.
What type of trip unit is installed in the HDA260502?
It features a fixed thermal-magnetic trip unit with Long-Time and Instantaneous (LI) protection functions. The trip settings are non-interchangeable and factory-set.
Is this breaker HACR rated for HVAC applications?
Yes, the HDA260502 carries an HACR rating, making it suitable for use with heating, air conditioning, and refrigeration equipment.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 11 reviews.
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Rating
11 reviews
- JGJanier G.Verified BuyerReviewingSquare D HDA36030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/4/26Fast and good quality every time
Everything came in good quality
- ESEvan S.ReviewingSquare D HDA36060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/2/24Perfect!
Worked exactly as expected. Working with my rep was extremely pleasant and look forward to doing more business with Superbreakers in the future!
- MPMike P.ReviewingSquare D HDA36150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/23/22Great Job
Keep up the good work
- JKJoe K.ReviewingSquare D HDA36100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/24/21Quick shipper
Product arrived perfectly packaged and on time.
- TWTodd W.ReviewingSquare D HDA36030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/25/20always quality always on time
always quality
always on time