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Square D MJL36800AA Molded Case Circuit Breaker
- 800A
- 3 Pole
- Unit Mount
Square D
MJL36800AA
Molded Case Circuit Breaker
Brand
Square D
SKU
MJL36800AA
Quantity
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Square D MJL36800AA - 800A 3 Pole Molded Case Circuit Breaker
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Description
Part of the PowerPacT M-Frame series, the MJL36800AA 800A, 3-pole molded case circuit breaker delivers reliable commercial power distribution. It features an ET 1.0 electronic trip unit with fixed thermal and adjustable magnetic settings for precise LI protection. This unit-mount breaker installs into Square D switchboards and motor control centers. It serves as an ideal replacement for legacy MA36800 and MH36800 models. Rated 65kAIC at 480V, it includes a factory-installed auxiliary switch.Specifications
| Brand | Square D |
|---|---|
| Part Number | MJL36800AA |
| Series | MJL |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Frame Type | MJL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Switchboards, Motor Control Centers, Industrial Control Panels |
| 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 | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Undervoltage Release, Alarm Switch, Handle Padlock Attachment |
|---|---|
| Accessories | Auxiliary Switch (1A/1B), Lugs (AL800M23K) |
| 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 | HACR Rated, Current Limiting, Mercury Free, PVC Free |
Product FAQs
5 answersWhat wire sizes and materials do the lugs on this breaker accept?
The factory-installed lugs accommodate three 3/0 AWG to 500 kcmil conductors per phase. They are rated for both aluminum and copper wiring.
What does the AA suffix in the MJL36800AA catalog number indicate?
The AA suffix signifies that the breaker includes a factory-installed 1A/1B auxiliary switch for remote status signaling.
Can this breaker replace older Square D 800A M-frame models?
Yes, the MJL36800AA serves as a direct replacement for legacy MA36800 and MH36800 molded case circuit breakers.
How is the trip unit configured on this model?
It utilizes an ET 1.0 electronic trip unit with Long-Time and Instantaneous (LI) functions. It operates with fixed thermal and adjustable magnetic settings.
Does this breaker plug into an I-Line panelboard?
No, the MJL36800AA is a feed-thru, unit-mount circuit breaker. It bolts directly to the mounting surface and is not compatible with I-Line bus connections.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
Total 5 star reviews: 2 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
2 reviews
- GIGeiser I.ReviewingSquare D MJL36800 - 800A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/26/22great
great
- SMStephan M.ReviewingSquare D MJL36800 - 800A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/24/21The price and delivery was
The price and delivery was excellent, However when I called in for an issue with mounting hardware, the representative said she would check on it and call back. , but she has never called me back. Actually she acted like she did not care