Square D HJA260802 Molded Case Circuit Breaker
- 80A
- 2 Pole
- I-Line
Square D
HJA260802
Molded Case Circuit Breaker
Brand
Square D
SKU
HJA260802
Quantity
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Square D HJA260802 - 80A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial applications, the Square D HJA260802 is a 2-pole, 80A molded case circuit breaker from the PowerPacT H-Frame family. It provides reliable overcurrent protection for demanding electrical systems. This unit mounts into Square D I-Line panelboards and switchboards. It serves as a replacement for legacy FA26080, FH26080, and FC26080 AC phase breakers. Rated for 100kAIC at 240V, this MCCB features fixed thermal-magnetic LI trip functions and an AC phase connection.Specifications
| Brand | Square D |
|---|---|
| Series | HJA |
| Amperage | 80A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 25kA @ 600VAC, 20kA @ 250VDC |
| Frame Type | HJA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Switchboards |
| Wire Gauge | 14 AWG - 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Rotary Handle, Motor Operator |
|---|---|
| Accessories | Phase Connection AC (Factory Configured) |
| 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 |
Product FAQs
6 answersWhat panelboards are compatible with the HJA260802 circuit breaker?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It utilizes the I-Line plug-on mounting system for the line side connection and cannot be used in standard unit-mount or load center applications.
Can the HJA260802 be used to replace older FA or FH series breakers?
Yes, the PowerPacT H-frame series is the direct modern replacement for legacy Square D F-frame breakers. The HJA260802 will fit into the same I-Line bus slot as an obsolete FA26080 or FH26080 breaker.
What does the J signify in the HJA260802 catalog number?
In the Square D PowerPacT H-frame series, the J indicates the interrupting rating tier. This specific breaker provides a high interrupting capacity of 100kA at 240VAC, 65kA at 480VAC, and 25kA at 600VAC, which is higher than the standard D or G tiers.
Are the trip settings adjustable on this 80A breaker?
No. The HJA260802 features a standard thermal-magnetic trip unit with fixed thermal and fixed magnetic settings for both long-time and instantaneous protection. If you need adjustable trip settings, you would need a breaker equipped with a Micrologic electronic trip unit.
What wire sizes are accepted by the load side lugs on the HJA260802?
The factory-installed mechanical lugs on this 80A breaker accept wire gauges ranging from 14 AWG up to 3/0 AWG. Because it is an I-Line breaker, these lugs are only present on the load side.
How does the I-Line mounting system work for this breaker?
The breaker features plug-on jaws on the line side that snap directly onto the I-Line bus stack in the panelboard. The load side uses standard mechanical lugs for wire termination.
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