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Square D HJL36025 Molded Case Circuit Breaker
- 25A
- 3 Pole
- Unit Mount
Square D
HJL36025
Molded Case Circuit Breaker
Brand
Square D
SKU
HJL36025
Quantity
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Square D HJL36025 - 25A 3 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty distribution, the Square D HJL36025 is a 25A, 3-pole PowerPacT H-Frame circuit breaker. It delivers fixed thermal-magnetic (LI) protection to safeguard commercial and industrial systems against overloads. This unit mount MCCB integrates into Square D control panels, switchboards, and enclosures. It can also replace legacy FAL36025 F-Frame breakers when used with retrofit hardware. Featuring a 65kAIC rating at 480V, this breaker includes a Visi-Trip indicator.Specifications
| Brand | Square D |
|---|---|
| Part Number | HJL36025 |
| Series | HJL |
| Amperage | 25A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 20kA @ 250VDC |
| 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 | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment, Motor Operator, Rotary Handle, Handle Tie |
|---|---|
| Accessories | Line and Load Lugs Included |
| 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, Non-Interchangeable Trip, Mercury Free, PVC Free, Visual Trip Indicator |
Product FAQs
6 answersCan the HJL36025 replace an older Square D F-frame circuit breaker?
Yes, the PowerPacT H-frame is the direct modern replacement for obsolete Square D F-frame breakers. The HJL36025 can be used to replace the legacy FHL36025, offering updated performance while fitting the same general unit mount applications.
What do the LI trip functions indicate on this thermal magnetic breaker?
The LI designation stands for Long-Time and Instantaneous trip functions. The Long-Time function provides thermal protection against sustained overloads, while the Instantaneous function provides magnetic protection that trips the breaker immediately during a short circuit.
What are the fixed magnetic hold and trip current values for this 25A breaker?
The HJL36025 has a fixed magnetic hold current of 350A and a fixed magnetic tripping current of 750A.
What is the required tightening torque for the line and load lugs?
The factory lugs should be torqued to 44.25 lb-in (5 N.m) when securing the accepted 14 AWG to 3/0 AWG aluminum or copper conductors.
How does a unit mount breaker differ from an I-Line breaker?
A unit mount breaker, like the HJL36025, is designed to be bolted directly to a backpan or mounting plate in control panels and enclosures. It uses feed-thru lugs for both line and load connections, whereas an I-Line breaker plugs directly onto a panelboard busbar on the line side.
What does the J in the HJL frame designation represent?
The letter J indicates the specific interrupting capacity tier within the Square D PowerPacT H-frame family. It signifies that the breaker is rated to safely interrupt up to 65kA at 480VAC and 100kA at 240VAC.
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