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Square D LAL36200MB Molded Case Circuit Breaker
- 200A
- 3 Pole
- Unit Mount
Square D
LAL36200MB
Molded Case Circuit Breaker
Brand
Square D
SKU
LAL36200MB
Quantity
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Square D LAL36200MB - 200A 3 Pole Molded Case Circuit Breaker
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Description
Designed for tight clearances, the Square D LAL36200MB is a 3-pole, 200A molded case circuit breaker. The "MB" suffix indicates a short handle, ensuring panel doors close securely without interference. This unit mount L-Frame breaker fits into Square D industrial enclosures and switchboards. For modern upgrades, it crosses over to the PowerPacT LGL36200 series. Delivering 30 kAIC at 480VAC, it utilizes fixed thermal and adjustable magnetic trip functions and is fully HACR rated.Specifications
| Brand | Square D |
|---|---|
| Part Number | LAL36200MB |
| Series | LAL |
| Amperage | 200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | LAL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Industrial Enclosures, Switchboards, Panelboards |
| Wire Gauge | (1) 1 AWG-600 kcmil (Al/Cu) or (2) 1 AWG-250 kcmil (Al/Cu) |
| Max Wire | 600 kcmil |
| Min Wire | 1 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Undervoltage Release, Auxiliary Switch, Alarm Switch |
|---|---|
| Accessories | Lugs (Line and Load), Short Handle (Suffix MB) |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Short Handle |
Product FAQs
8 answersWhat does the "MB" suffix mean on the Square D LAL36200MB?
The "MB" suffix indicates that the circuit breaker has a short handle. This design is typically used for panel main breakers to ensure the panel door can close securely without interference.
What is the modern replacement for the legacy LAL36200MB?
The legacy LAL series has been replaced by the Square D PowerPacT L-Frame series. The PowerPacT LGL36200 is a common modern crossover, offering a 35kA interrupting rating at 480V to meet or exceed the 30kA rating of the LAL36200MB.
What is the adjustable magnetic trip range for the LAL36200MB?
The magnetic trip is adjustable from a low setting of 1000A to a high setting of 2000A.
Is the LAL36200MB HACR rated?
Yes, this breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
Does the LAL36200MB feature an interchangeable trip unit?
No, the LAL36200MB has a fixed thermal and adjustable magnetic trip unit that is non-interchangeable. If a different trip rating is required, the entire breaker must be replaced.
What are the physical dimensions of the LAL36200MB?
This L-Frame circuit breaker measures 11 inches in height, 6 inches in width, and 5.84 inches in depth.
Does the LAL36200MB have a push-to-trip feature?
Yes, it includes a push-to-trip button that allows you to manually trip the breaker for testing and maintenance without exposing yourself to live parts.
Can I add field-installable accessories to the LAL36200MB?
Yes, the Square D L-Frame series supports a variety of field-installable accessories, including shunt trips, auxiliary contacts, and undervoltage releases, allowing for modification during or after installation.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 7 reviews.
Total 5 star reviews: 7 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
7 reviews
- MBmike b.Verified BuyerReviewingSquare D LAL36350 - 350A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/15/26LAL36350MB
OLINE ORDERING WAS EASY AND I RECEIVED THE BREAKER QUICKLY
- GCGlenn C.Verified BuyerReviewingSquare D LAL36400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/27/26Breaker
I like the great price. Great service
- MIMarietta I.Verified BuyerReviewingSquare D LAL36400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/27/26Great service
Received the breakers in time. My account mgr Mike is awesome.
- TBTerry B.Verified BuyerReviewingSquare D LAL36400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/5/26RECERTIFIED BREAKER
Breaker was received in good condition and seems to work correctly
- LBLISA B.Verified BuyerReviewingSquare D LAL36400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/28/25good [product
Expeditious delivery, great product and amazing customer service.