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The Major Tech MS371 is a high-performance microwave motion and presence sensor designed for accurate control of lighting or connected devices in both indoor and outdoor spaces. It uses 24GHz CW radar technology to detect both movement (up to 9m) and still presence (up to 6m), providing smarter automation compared to standard motion-only sensors.
With adjustable lux sensitivity (from <3 to 2000 Lux), time delay settings (10 sec to 12 min), and IP65 weatherproof protection, the MS371 is ideal for carports, patios, bathrooms, or corridors. It handles up to 2000W incandescent or 1000W LED/CFL and installs easily into ceilings from 2-4m high.
MS371 Features
MS371 FAQ
Q: Can this sensor detect subtle presence without motion?
A: Yes, it distinguishes between still presence and movement using radar technology.
Q: Is the sensor suitable for outdoor installations?
A: Yes, its IP65 rating makes it suitable for covered outdoor areas.
Q: What cutout size is required for installation?
A: It fits ceiling cutouts between Ø63mm and Ø66mm.
(MS371)
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Warranty starts from Invoice Date
5 Years Limited Warranty
Warranty Method: Return to Sparky Direct
| Specification | Details |
|---|---|
| Detection Area | 360° |
| Detection Distance | Presence: 6m Max Movement: 9m Max |
| Detection Motion Speed | Presence |
| HF System | 24GHz CW Radar, ISM Band |
| Ambient Light | <3 to 2000 Lux (Adjustable) |
| Installation Height | 2m – 4m |
| Voltage | 220 to 240V AC |
| Power Frequency | 50/60Hz |
| Rated Load | Incandescent: 2000W LED / CFL: 1000W |
| Time Delay | 10 sec (±3 sec) to 12 min (±2 min) |
| Power Consumption | <10mW |
| Mounting | Ceiling Mount |
| Hole Cut Size | Ø63mm – Ø66mm |
| Working Temperature | -20°C to 40°C |
| Working Humidity | <93% RH |
| IP Rating | IP65 (Outdoor & Indoor installation) |
| Standards | IEC 60669-1 / 60669-2-1 AS/NZS 60669.1 / 60669.2.1 |
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Major Tech |
| SKU | MS371 |
| Model # | MS371 |
| Barcode # | 6008229042508 |
| Package Weight | 0.135kg |
| Package Width | 0.090m |
| Package Height | 0.120m |
| Package Length | 0.085m |
| TYPE | VALUE |
|---|---|
| Type | Sensor |
| Brand | Major Tech |
| Mounting | Ceiling Mount |
| Voltage (V) | 220 to 240V AC |
| IP Rating | IP65 |
| Time Delay | 10 sec (±3 sec) to 12 min (±1 min) |
| Installation Height | 2-4m |
| Detection Area | 360° |
| HF System | 24GHz CW Radar, ISM Band |
| Ambient Light | <3 to 2000 Lux (Adjustable) |
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