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LY-WSK-P is an automated industrial temperature and humidity controller engineered to prevent condensation and enable preset temperature regulation for critical electrical equipment. Featuring independent temperature and humidity monitoring units, this controller is available in cooling and warming types, with flexible rail-mounted or recessed mounting options. What sets it apart is its high accuracy, compact size, extended service life, hassle-free installation, and user-friendly operation—making it the ideal solution for maintaining stable environmental conditions in high-voltage switchgear, underground substations, instrumentation boxes, and more.

Equipped with internationally advanced sensors, the LY-WSK-P enables long-term, automatic monitoring and sampling of ambient temperature and relative humidity. This ensures continuous, reliable data collection to support timely environmental adjustments.
The controller delivers instant reaction to ambient temperature anomalies and condensation risks. When condensation is likely to form, it activates the heating unit immediately to eliminate the risk. Additionally, if ambient temperature deviates from the preset value (too low for warming type, too high for cooling type), it triggers corresponding heating or cooling loads until conditions return to normal, then resumes monitoring in an automatic cycle.
With a compact footprint of 48×48×78mm³, the LY-WSK-P is easy to install and operate right out of the box, requiring no complex assembly. Its durable construction ensures a long service life, reducing maintenance costs for users.
Powered by high-precision chips, the controller ensures accurate temperature and humidity control with stable, reliable performance. It boasts low power consumption (≤2W), making it an energy-saving choice for industrial applications.
The LY-WSK-P Dial Temperature And Humidity Controller runs on a power supply of AC 220±10% at 50Hz, with tailored operating environments for different types: the cooling type functions stably within 0℃~95℃, while the heating type adapts to a wider range of -40℃~55℃. It delivers precise temperature control with a range of ±1℃ and rapid response capability, with a representative response time of ≤5s. The controller supports a resistive load output of AC220V 3A in normally open mode, and boasts ultra-low power consumption of ≤2W, making it an energy-efficient choice for long-term operation. It also features excellent electrical safety performance, withstanding a voltage of 1500V at 50Hz for 1 minute without breakdown or arcing. In terms of mechanical durability, it can resist vibration of 20m/s² within the frequency range of 10~150Hz for 3 minutes while maintaining normal operation. Additionally, it has three-proof performance to prevent damage from acids, alkalis and salts, and its compact dimensions of 48×48×78mm³ allow for flexible installation in various limited-space industrial scenarios.
Parameter | Details |
Power Supply | AC 220±10%, 50Hz |
Operating Environment | Cooling type: 0℃~95℃; Heating type: -40℃~55℃ |
Temperature Control Range | ±1℃ |
Response Time | Representative value ≤5s |
Output | Resistive load, AC220V 3A normally open |
Power Consumption | ≤2W |
Withstanding Voltage | 1500V, 50Hz (1min AC voltage with no breakdown or arc) |
Vibration Resistance | 20m/s², 10~150Hz (3min continuous operation without failure) |
Three-Proof Performance | Resistant to damage from acids, alkalis, and salts |
Dimensions | 48×48×78mm³ |
The LY-WSK-P dial temperature and humidity controller is specifically designed for environments where extreme temperatures or condensation could damage equipment. Its key applications include:
Electrical Equipment:High and low voltage complete sets of cabinets, switchgear, underground substations, instrumentation boxes, and power distribution units.
Industrial Settings:Any industrial area requiring precise temperature and humidity control to prevent condensation, mold growth, or equipment malfunction caused by environmental fluctuations.
Choose the right model based on your temperature control needs with our clear selection chart:
Model Product Function | LY-WK | LY-WSK-ZB |
1-way temperature | ● | ● |
1-way humidity | × | × |
temperature dial | ● | ● |
Notes: ●:Standard ⭕:Optional ×:Not have | ||
After powering on the controller, adjust the dial—counterclockwise for cooling type and clockwise for warming type. When the pointer’s indicated temperature is lower (for cooling) or higher (for warming) than the ambient temperature, the indicator light will turn on and the connected load will start operating.
Reverse the dial adjustment: if the pointer’s indicated temperature is higher (for cooling) or lower (for warming) than the ambient temperature, the indicator light will turn off and the load will stop working. This confirms correct wiring and normal operation. (Note: The product has a 4–6℃ control differential.)
For detailed operation steps and troubleshooting tips, refer to the official product operation manual.
