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Square D HJA260604 Molded Case Circuit Breaker
- 60A
- 2 Pole
- I-Line
Square D
HJA260604
Molded Case Circuit Breaker
Brand
Square D
SKU
HJA260604
Quantity
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Square D HJA260604 - 60A 2 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty industrial applications, this 60-amp PowerPacT component provides advanced LI protection with an adjustable magnetic trip mechanism. The BC phase configuration ensures proper load balancing across multi-phase distribution systems. It fits securely into Square D I-Line panelboards, acting as a modern replacement for older FC26060BC and FH26060BC units. A high 65kAIC rating at 480VAC guarantees excellent current-limiting performance during severe electrical faults.Specifications
| Brand | Square D |
|---|---|
| Part Number | HJA260604 |
| Series | HJA |
| Amperage | 60A |
| 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, Handle Padlock Attachment |
|---|---|
| Accessories | Phase Connection BC |
| 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, Phase Connection BC, Non-Interchangeable Trip, Visual Trip Indicator |
Product FAQs
6 answersWhat panelboards accept the HJA260604 breaker?
This I-Line style plug-in breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It mounts directly onto the internal I-Line bus stack.
How does the adjustable magnetic trip work on this PowerPacT H-frame breaker?
While the thermal protection (long-time) is fixed at 60 amps, the magnetic (instantaneous) trip threshold can be adjusted using the dial on the front of the breaker. This allows for better coordination with downstream loads and helps prevent nuisance tripping.
What does the J in the HJA260604 catalog number indicate?
The J designates the interrupting rating tier within the PowerPacT H-frame family. It signifies a high interrupting capacity of 65kA at 480VAC, which is a higher rating than the standard D or G tiers.
Does the HJA260604 require a separate mounting kit for I-Line panels?
No separate mounting kit is required. The breaker features integral I-Line plug-in jaws that engage directly with the panelboard bus and is secured by the built-in retaining mechanism on the breaker housing.
What wire sizes are accepted by the lugs on the HJA260604?
The factory-installed lugs accept aluminum or copper conductors ranging from 14 AWG to 3/0 AWG. Always verify the required torque specifications printed on the breaker faceplate during installation.
Is the HJA260604 suitable for direct current (DC) applications?
Yes, this thermal-magnetic breaker is rated for DC systems up to 250VDC, where it provides an interrupting capacity of 20kA. It is commonly used in industrial control and battery backup applications.
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