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The Schneider Electric MN-S3-500 (MicroNet series, formerly Barber-Colman) is a wall-mounted digital room temperature sensor combining a precision thermistor with a three-button interface and LCD display, providing occupants with local setpoint adjustment and override control for VAV HVAC zones. It communicates with MicroNet VAV box controllers via the S-Link proprietary bus — a two-wire power-and-data combined link that eliminates the need for a separate power supply at the sensor. The self-compensating temperature conversion algorithm eliminates field calibration, and the unit supports selectable degF/degC display. Ships without sensor cover; DCQC-150-SE available separately.
Technical Specifications
Part Number
MN-S3-500
Sensor Type
Precision Thermistor
Communication Protocol
S-Link (proprietary MicroNet bus — power + data combined)
Power Supply
Bus-powered via S-Link
Temperature Sensing Range
32 to 122 degF (0 to 50 degC)
Temperature Accuracy
+/-2%
Humidity Operating Range
5% to 95% RH, non-condensing
Maximum Humidity Hysteresis
+/-1.2% RH
Display
Digital LCD, degF/degC selectable
Keypad
3-button interface
System Modes
Heat / Cool / Off / Auto
Fan Modes
Off / On / Low / Medium / High / Auto
Dimensions
4.5 x 2.8 x 1.0 in. (114 x 71 x 25 mm)
Mounting
Direct wall / 2x4 electrical box / 1/4 DIN box / surface box
Cover
Not included — DCQC-150-SE sold separately
Compatible Controllers
MNL-V2R, MN-Flo, MN-Vx (full MicroNet series)
Certifications
UL, cUL, CE, CSA, FCC Part 15 Class B
Compatible Software
EcoStruxure Building Operation
Applications
The MN-S3-500 is ideal for commercial offices, classrooms, and hotel rooms where occupants need the ability to adjust zone temperature and initiate temporary overrides without contacting facility management. In retrofit HVAC upgrades, it replaces legacy MN-S3 sensors while maintaining full compatibility with existing MicroNet controller wiring and programming. It is one of the most widely stocked and replaced MicroNet sensors in North America.
Note: Sensor cover not included — DCQC-150-SE available separately.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller,Trading Company,Exporter
Year Established:
2015
Total Annual:
800000 USD-1000000
Employee Number:
50~80
Ecer Certification:
Verified Supplier
Maituo Intelligent Technology Co., Ltd. has been a professional provider of Building and Home Automation Solutions in China since our establishment. With a focus on delivering intelligent, integrated systems for both commercial buildings and residential spaces, we have forged a strong reputation by ... Maituo Intelligent Technology Co., Ltd. has been a professional provider of Building and Home Automation Solutions in China since our establishment. With a focus on delivering intelligent, integrated systems for both commercial buildings and residential spaces, we have forged a strong reputation by ...