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Square D HJA261002 Molded Case Circuit Breaker
- 100A
- 2 Pole
- I-Line
Square D
HJA261002
Molded Case Circuit Breaker
Brand
Square D
SKU
HJA261002
Quantity
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Square D HJA261002 - 100A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial power distribution, the Square D HJA261002 is a 2-pole, 100A molded case circuit breaker from the PowerPacT H-Frame family. It provides reliable long-time and instantaneous (LI) thermal-magnetic protection. This unit mounts into Square D I-Line panelboards and switchboards, serving as a drop-in replacement for legacy FC26100AC and FH26100AC breakers. It utilizes a dedicated AC phase connection. Rated 65kAIC at 480V, it features current-limiting technology.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 | 14-3/0 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, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Handle Padlock Attachment |
|---|---|
| Accessories | I-Line Phase Connection AC |
| Standards | CSA C22.2 No. 5, HACR, 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, Phase Connection AC, Visual Trip Indicator, Non-Interchangeable Trip |
Product FAQs
6 answersWhat type of panelboards are compatible with the HJA261002 circuit breaker?
This breaker features an I-Line style plug-in connection, making it compatible with Square D I-Line panelboards and switchboards. It is not designed for standard QO load centers or NQ and NF series panelboards.
Does the HJA261002 require a separate mounting bracket for installation?
No, this breaker comes with the factory-installed I-Line bracket required for mounting directly onto the bus assembly of an I-Line panelboard or switchboard. No additional mounting hardware kits are needed.
Is the trip unit on the HJA261002 adjustable?
This PowerPacT H-frame breaker features a thermal-magnetic trip unit with fixed thermal protection for long-time overloads and adjustable magnetic protection for instantaneous short circuits. The magnetic trip threshold can be dialed in to coordinate with other protective devices in your system.
What wire sizes are accepted by the lugs on the HJA261002?
The factory-installed lugs accept wire gauges from 14 AWG up to 3/0 AWG. They are rated for use with both aluminum and copper conductors. Ensure proper torque specifications are followed during installation.
What does the J in the HJA261002 catalog number indicate?
In the Square D PowerPacT nomenclature, the J indicates the interrupting rating tier. A J-interrupting breaker provides 65kAIC at 480VAC and 100kAIC at 240VAC, which is a higher rating than the standard G-interrupting models.
Can the HJA261002 be used in DC applications?
Yes, this breaker is rated for use in direct current systems up to 250VDC, where it provides an interrupting capacity of 20kAIC.
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