Square D HJL36100U31X Molded Case Circuit Breaker
- 100A
- 3 Pole
- Unit Mount
Quantity
Square D HJL36100U31X - 100A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for commercial and industrial power distribution, this 100A electronic trip MCCB incorporates a Micrologic 3.2 unit. The microprocessor-based sensing offers configurable long-time and instantaneous (LI) protection, improving coordination over standard thermal-magnetic options. This unit mount breaker installs into NQ or NF panelboards as a main, as well as standard enclosures. It serves as an upgrade path for discontinued FAL36100 legacy breakers. Rated 65kAIC at 480VAC.Specifications
| Brand | Square D |
|---|---|
| Part Number | HJL36100U31X |
| Series | HJL |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 40-100A |
|---|
| Frame Type | HJL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Industrial Control Panels, Switchboards, Enclosures, NQ Panelboards (as Main), NF Panelboards (as Main) |
| Wire Gauge | 14 AWG-3/0 AWG (Al/Cu) |
| Max Wire | 3/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment, Lug Kits, Terminal Shields |
|---|---|
| Accessories | Micrologic 3.2 Electronic Trip Unit |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, HACR Rated, Reverse Feed, Visual Trip Indicator, True RMS Sensing, Mercury Free, PVC Free |
Product FAQs
6 answersWhat panels and enclosures accept the HJL36100U31X breaker?
This unit mount breaker is designed for use in Square D industrial control panels, switchboards, and standard enclosures. It can also be installed as a main breaker in NQ and NF panelboards.
What type of trip unit is included with the HJL36100U31X?
It features a Micrologic 3.2 solid state electronic trip unit. This microprocessor-based system provides adjustable long-time and instantaneous (LI) protection for precise coordination.
What wire sizes and materials are compatible with the lugs on this breaker?
The line and load side lugs accept 14 AWG to 3/0 AWG aluminum or copper conductors.
Can the HJL36100U31X replace older legacy breakers?
Yes, this PowerPacT H-frame breaker serves as a modern upgrade path for discontinued 100A FAL legacy breakers, such as the FAL36100. Mounting modifications or adapter kits may be required depending on the enclosure.
Is this breaker suitable for reverse feeding?
Yes, the HJL36100U31X is reverse feed capable, allowing line power to be connected to either the top or bottom terminals.
Does the HJL36100U31X provide current limiting protection?
Yes, this breaker features dual-break rotating contacts that reduce peak current during a short circuit fault, limiting let-through energy to protect downstream equipment.
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