Square D HJA261004 Molded Case Circuit Breaker
- 100A
- 2 Pole
- I-Line
Square D
HJA261004
Molded Case Circuit Breaker
Brand
Square D
SKU
HJA261004
Quantity
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Square D HJA261004 - 100A 2 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty commercial applications, the Square D HJA261004 is a 100A, 2-pole molded case circuit breaker. As part of the PowerPacT H-Frame series, it delivers dependable thermal-magnetic (LI) protection for complex electrical networks. Designed with a BC phase connection, this breaker installs into Square D I-Line panelboards and switchboards. It easily replaces older FA26100BC and FH26100BC models. The unit boasts a 65kAIC rating at 480VAC and features a visual trip indicator.Specifications
| Brand | Square D |
|---|---|
| Series | HJA |
| Amperage | 100A |
| 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 (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, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, 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 | Current Limiting, HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Reverse Feed, Phase Connection BC |
Product FAQs
6 answersWhich panelboards are compatible with the HJA261004 breaker?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection that mounts directly to the interior bus assembly.
What wire sizes are accepted by the terminals 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 (Al/Cu) conductors.
What does the J in the HJA261004 part number indicate?
The J designates the interrupting capacity tier within the Square D PowerPacT H-Frame series. It indicates a high interrupting rating of 65kA at 480VAC and 100kA at 240VAC, which is higher than the standard D or G tiers.
Does this breaker require a separate mounting hardware kit?
No. As an I-Line breaker, it features built-in plug-in jaws that attach directly to the I-Line bus stack. It does not require separate bolt-on hardware or mounting brackets.
Are the trip settings adjustable on the HJA261004?
No, this specific model features a thermal-magnetic trip unit with fixed thermal and fixed magnetic settings. It provides standard long-time and instantaneous (LI) protection without adjustable dials.
What safety precautions are required when installing an I-Line breaker?
Installation should only be performed by a qualified electrician. The panelboard must be completely de-energized before plugging the breaker into the bus stack to prevent arc flash hazards and ensure proper seating of the jaws.
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