Schneider Electric / Square DPJL36120U44A
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Square D PJL36080 Molded Case Circuit Breaker
- 800A
- 3 Pole
- Unit Mount
Square D
PJL36080
Molded Case Circuit Breaker
Brand
Square D
SKU
PJL36080
Quantity
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Square D PJL36080 - 800A 3 Pole Molded Case Circuit Breaker
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Description
Built to handle heavy industrial loads, this 800A molded case circuit breaker utilizes an ET 1.0I microprocessor trip unit for reliable long-time and instantaneous protection. The unit-mount configuration integrates smoothly into Square D QED switchboards and Model 6 motor control centers. As a current-limiting device with true RMS sensing, it replaces older PE Series breakers while offering a robust 65kAIC interrupting capacity at 480VAC to maintain facility safety and coordination.Specifications
| Brand | Square D |
|---|---|
| Series | PJL |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Frame Type | P |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D QED Switchboards, Model 6 Motor Control Centers, PowerPacT P-Frame Enclosures |
| Wire Gauge | (3) 3/0 AWG-500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable Magnetic |
| Trip Unit Model | ET 1.0I |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Padlock Attachment |
|---|---|
| Accessories | ET 1.0I Trip Unit, Lugs |
| 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 | 80% Rated, Current Limiting, HACR Rated, True RMS Sensing |
Product FAQs
8 answersWhat does the "L" in the PJL36080 catalog number indicate about installation?
The "L" indicates the breaker is configured with lugs on both the line and load sides. This makes it a unit-mount breaker, rather than an I-Line plug-on style breaker which would typically use an "A" designation.
What does the "J" in the PJL prefix signify for this breaker?
The "J" designates the interrupting rating tier within the PowerPacT P-frame family. It indicates maximum interrupting capacities of 100kA at 240VAC, 65kA at 480VAC, and 25kA at 600VAC.
What type of trip unit is installed in the PJL36080?
This breaker comes standard with a basic electronic trip unit, specifically the ET 1.0I. It features Long-Time and Instantaneous (LI) trip functions but does not include short-time delay or ground fault protection.
Is the PJL36080 rated for 80% or 100% continuous load?
This model is a standard 80% rated circuit breaker. Continuous loads should not exceed 640 amps (80% of its 800A nominal rating) for three hours or more in accordance with standard National Electrical Code (NEC) sizing practices.
Can I install the PJL36080 directly into a standard I-Line panelboard?
No, the PJL36080 is a unit-mount breaker equipped with lugs on both ends. For an I-Line panelboard or switchboard, you need a plug-on variant with an "A" termination code, such as the PJA36080, which features the proprietary I-Line jaw connection on the line side.
Does the PJL36080 include ground fault equipment protection?
No, this model is equipped with an LI (Long-Time and Instantaneous) electronic trip unit. It does not provide ground fault protection. You would need an LSIG trip unit configuration for ground fault functionality.
Which Square D enclosures and panels can accommodate the PJL36080?
This P-frame breaker is designed for use in Square D QED Switchboards, Model 6 Motor Control Centers (MCCs), and dedicated PowerPacT P-Frame enclosures.
Does the PJL36080 feature adjustable trip settings?
Yes, this model includes an electronic trip unit with adjustable magnetic functions for instantaneous short-circuit protection, as well as adjustable long-time overload settings to precisely match your load and coordination requirements.
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