Square D HJA261101 Circuit Breaker
- 110A
- 2 Pole
- I-Line
Quantity
Square D HJA261101 2 Pole Circuit Breaker
New
Quantity
Description
Square D HJA261101 2 Pole Circuit Breaker
The Square D HJA261101 is a 2 Pole thermal magnetic molded case circuit breaker with a current rating of 110 Amps and a voltage rating of 600VAC. It has an interrupting rating of 25kAIC at 600VAC. The HJA261101 has an I-Line bracket mounting type and includes long time and instantaneous trip functions.
Specifications
| Brand | Square D |
|---|---|
| Series | HJA |
| Amperage | 110A |
| 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 answersWhat panelboards are compatible with the HJA261101 circuit breaker?
The HJA261101 is an I-Line style plug-in breaker designed for use in Square D I-Line power distribution panelboards and switchboards. It mounts directly onto the I-Line bus stack.
What does the "01" suffix mean in the HJA261101 catalog number?
The "01" suffix indicates an AB phase connection for this 2-pole breaker. It is factory-configured to connect to the A and B phases of the I-Line bus.
What are the interrupting ratings for the HJA261101 at different voltage levels?
As a "J" interrupting tier breaker, it is rated for 100kA at 240VAC, 65kA at 480VAC, and 25kA at 600VAC.
How does the I-Line mounting system work on the HJA261101?
The breaker features a plug-on line-side connection with "blow-on" type jaws that grip the panelboard bus bars. During a short circuit, magnetic forces cause the jaws to tighten their grip, ensuring a secure connection under high fault currents. The load side uses mechanical lugs.
Can I field-install accessories like a shunt trip or auxiliary switch in the HJA261101?
Yes, PowerPacT H-frame breakers support field-installable internal accessories, including shunt trips, undervoltage releases, and auxiliary switches. These are installed behind the front accessory cover.
Does the HJA261101 have a push-to-trip feature?
Yes, it includes an integral push-to-trip button on the front cover. This allows you to manually trip the breaker to verify the mechanical operation of the tripping mechanism.
Can the HJA261101 replace legacy Square D FA or FH frame breakers?
Yes, the PowerPacT H-frame is the direct replacement for legacy Square D F-frame (FA and FH) I-Line circuit breakers. They share the same I-Line bus mounting system, though you may need a blank extension to fill any remaining deadfront space depending on your panelboard configuration.
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