Square D ME36800LSA Molded Case Circuit Breaker
- 800A
- 3 Pole
- I-Line
Square D
ME36800LSA
Molded Case Circuit Breaker
Brand
Square D
SKU
ME36800LSA
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Square D ME36800LSA - 800A 3 Pole Molded Case Circuit Breaker
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Description
Delivering advanced circuit protection, this 800A electronic trip MCCB manages heavy commercial loads. It is designed for facilities requiring precise overcurrent coordination. The unit installs into Square D I-Line panelboards and switchboards. It belongs to the legacy M-Frame family and is replaced by the PJA36080U64A for modern upgrades. The Micrologic trip unit features adjustable long and short-time settings, plus a ground-fault alarm (LSA). It provides a robust 65kAIC rating at 480V.Specifications
| Brand | Square D |
|---|---|
| Part Number | ME36800LSA |
| Series | ME |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 400-800A |
|---|
| Frame Type | M |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| 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 | LS |
| Trip Function | Long-Time, Short-Time |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits |
|---|---|
| Accessories | Load Side Lugs Included, Rating Plug (Factory Installed) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | 100% Rated, True RMS Sensing, Non-Interchangeable Trip, Ground Fault Alarm, HACR Rated |
Product FAQs
7 answersWhat type of panelboard is required for the ME36800LSA?
This breaker is specifically designed for Square D I-Line panelboards and switchboards. It features a plug-in mounting style that connects directly to the I-Line bus assembly.
What does the LSA suffix mean on the ME36800LSA trip unit?
The LSA suffix indicates the specific functions of the Micrologic electronic trip unit. It includes adjustable long-time and short-time trip functions, as well as a ground fault alarm.
Does the ME36800LSA provide ground fault tripping?
No, the LSA suffix indicates a ground fault alarm only. It is designed to alert operators to ground fault conditions without initiating a trip, allowing critical loads to remain powered.
Can the trip settings on the ME36800LSA be customized?
Yes, the electronic Micrologic trip unit features adjustable settings for both long-time and short-time functions, allowing for precise overcurrent coordination within your electrical system.
What are the lug wire capacity requirements for the ME36800LSA?
The factory lugs on this breaker require three conductors per phase, accepting wire sizes from 3/0 AWG up to 500 kcmil. The terminals are dual-rated for both aluminum and copper wiring.
What breaker family does the ME36800LSA belong to?
The ME36800LSA is part of the legacy Square D M-Frame family of molded case circuit breakers, which have been superseded by newer models.
What is the recommended modern replacement for the ME36800LSA?
For modern panel upgrades, the legacy M-Frame ME36800LSA is typically replaced by Square D PowerPact P-Frame breakers, such as the PJA36080U64A. Always verify specific panel and trip unit requirements before upgrading.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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1 review
- BWBrian W.Verified BuyerReviewingSquare D ME36800LI - 800A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/3/26Fast delivery!
Fast Delivery and great customer service!