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Square D MJA36600LV Molded Case Circuit Breaker
- 600A
- 3 Pole
- I-Line
Square D
MJA36600LV
Molded Case Circuit Breaker
Brand
Square D
SKU
MJA36600LV
Quantity
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Square D MJA36600LV - 600A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial power distribution, the MJA36600LV is a 600A, 3-pole molded case circuit breaker from Square D's PowerPacT M-Frame family. This unit installs into Square D I-Line panelboards and switchboards. It serves as a direct replacement for legacy MA and MH frame breakers, ensuring seamless upgrades. Rated 65 kAIC at 480V, it features an ET 1.0 electronic trip unit (LI) and a control wire tap on the load end.Specifications
| Brand | Square D |
|---|---|
| Part Number | MJA36600LV |
| Series | MJA |
| Amperage | 600A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D I-Line Panelboards, 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 | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Mercury Free, PVC Free, Push-to-Trip, 80% Rated, Control Wire Tap (Off End) |
Product FAQs
5 answersWhat does the "LV" suffix mean on the MJA36600LV catalog number?
The "LV" suffix indicates that this breaker is equipped with a control wire tap on the load end.
Can this PowerPacT M-Frame breaker replace older Square D models?
Yes, this breaker serves as a direct replacement for legacy Square D MA and MH frame circuit breakers in existing panels.
How does this breaker connect to the panelboard?
It utilizes an I-Line style plug-in mounting. The line side features plug-on jaws that connect directly to the panelboard bus, while the load side uses mechanical lugs for the outgoing conductors.
What type of enclosures or panels accept this breaker?
This breaker is specifically designed for installation in Square D I-Line panelboards and switchboards. It is not compatible with standard unit mount enclosures.
Are the trip settings on the MJA36600LV adjustable?
Yes, while the thermal (Long-Time) protection is fixed, the magnetic (Instantaneous) protection is adjustable to allow for proper system coordination.
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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
- JKJosh K.ReviewingSquare D MJA36800 - 800A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/12/21Great Price
Great breaker and Price.
- KPKevin P.ReviewingSquare D MJA36500 - 500A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/26/21Easy to order
Easy to order with good pricing!