Square D HJA260804 Circuit Breaker
- 80A
- 2 Pole
- I-Line
Quantity
Square D HJA260804 2 Pole Circuit Breaker
New
Quantity
Description
Square D HJA260804 2 Pole Circuit Breaker
The Square D HJA260804 is a 2 Pole thermal magnetic molded case circuit breaker with a current rating of 80 Amps and a voltage rating of 600VAC. It has an interrupting rating of 25kAIC at 600VAC. The HJA260804 has an I-Line bracket mounting type and includes long time and instantaneous trip functions.
Specifications
| Brand | Square D |
|---|---|
| Series | HJA |
| Amperage | 80A |
| 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 | 14-3/0 AWG |
| 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, Fixed Magnetic |
| Standards | RoHS, REACh, HACR |
|---|---|
| Approval | CE, UL, CSA, NEMA, NOM, IEC |
| Temp Rating | -25 to 70 °C |
Product FAQs
7 answersIs the HJA260804 compatible with older Square D I-Line panelboards?
Yes, Square D PowerPacT H-frame circuit breakers are backward compatible with legacy I-Line panelboards and switchboard distribution sections. Ensure the voltage and interrupting ratings match your equipment requirements.
What is the phase connection for the HJA260804 circuit breaker?
This 2-pole breaker is factory configured for a BC phase connection on the I-Line bus.
Is the HJA260804 rated for standard or 100 percent continuous current?
This PowerPacT H-frame breaker carries a standard continuous current rating of 80 percent.
What is the interrupting capacity of the HJA260804 at 480VAC?
The HJA260804 provides an interrupting rating of 65kAIC at 480VAC, in addition to its 25kAIC rating at 600VAC.
How is the HJA260804 secured inside the panelboard?
It utilizes an I-Line plug-in bracket on the line side that snaps directly onto the panel bus, while the load side uses mechanical lugs for wire terminations.
What specific fault conditions does the HJA260804 trip unit protect against?
The thermal-magnetic trip unit provides long-time protection for standard overloads and instantaneous protection to quickly clear short-circuit faults.
Can the HJA260804 be used to replace obsolete Square D F-frame breakers?
Yes, PowerPacT H-frame breakers are the modern replacements for legacy F-frame I-Line breakers. They fit the same basic I-Line panelboard construction, but you must verify the phase configuration and available panel space before installation.
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