Square D HJA260904 Circuit Breaker
- 90A
- 2 Pole
- I-Line
Quantity
Square D HJA260904 2 Pole Circuit Breaker
New
Quantity
Description
Square D HJA260904 2 Pole Circuit Breaker
The Square D HJA260904 is a 2 Pole thermal magnetic molded case circuit breaker with a current rating of 90 Amps and a voltage rating of 600VAC. It has an interrupting rating of 25kAIC at 600VAC. The HJA260904 has an I-Line bracket mounting type and includes long time and instantaneous trip functions.
Specifications
| Brand | Square D |
|---|---|
| Series | HJA |
| Amperage | 90A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 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 and Switchboards |
| Wire Gauge | AWG 14 to AWG 3/0, Aluminum/Copper |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time and Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Standards | RoHS, REACh, HACR |
|---|---|
| Approval | CE, UL, CSA, NEMA, NOM, IEC |
| Temp Rating | -25 to 70 °C |
Product FAQs
7 answersWhat does the 4 at the end of the HJA260904 catalog number indicate?
The 4 indicates the breaker is factory-configured for B and C phase connections on an I-Line panelboard bus.
What type of panelboards is the HJA260904 compatible with?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It features a plug-on line side connection that mounts directly to the I-Line bus.
Can the HJA260904 replace older Square D circuit breakers?
Yes, PowerPacT H-frame I-Line breakers are the direct modern replacements for legacy Square D F-frame (FA, FH, and FC) I-Line breakers with matching pole counts and amperages.
What is the maximum frame size for the PowerPacT H-frame series?
The PowerPacT H-frame has a maximum continuous current rating of 150A. The HJA260904 features a 90A trip unit within this 150A frame.
What are the interrupting ratings for the HJA260904 at different voltages?
The J interrupting tier provides ratings of 100 kA at 240VAC, 65 kA at 480VAC, and 25 kA at 600VAC.
What type of trip unit is installed in the HJA260904?
It is equipped with a factory-sealed, non-interchangeable thermal-magnetic trip unit that provides long-time and instantaneous (LI) overcurrent protection.
How is the HJA260904 physically installed into a panel?
It utilizes an I-Line style plug-in mounting system. The line side features jaws that snap directly onto the panelboard bus, while the load side uses traditional mechanical lugs for wire connections.
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