The Anhui transmitter manufacturers / AC switch transmitter [Yasuhiro] the world's best-selling 

 First, an overview 
 Switch the transmitter is a can the measured AC voltage converted to the specific requirements of the output DC voltage or relay contact instruments. The combination switch the amount of transmitter by transmitter circuit of a single switch combination of three independent of each other and isolated from each other, with a single three-way switch transmitter function. Switch transmitter can be widely used for electric power, telecommunications, petroleum, coal, metallurgy, municipal and other departments. 
 Second, the models of a single exchange switch transmitter: YWE-K1 three AC switching transmitter: YWE-K3, the main technical indicators 1) Input: AC 
 0 to 600V, 45 ~~ 55Hz or 0 to 15A, 45 ~~ 55Hz. 2) Output: a, voltage input: 
 When the input voltage is greater than or equal to a critical value (eg: 100V), high output (5V), or a relay contact output (closed). 
 When the input voltage is less than (for example, than a critical value (100V) 10V) or equal to 90V, output low (0V), or relay contact output (open). b, the current input: 
 When the input current is greater than or equal to the critical value (eg: 250mA), the output is high (5V), or relay contact output (closed). 
 When the input current is less than or equal to the critical value (eg: 230mA) output low (0V), or relay contact output (open). VC, the relay contact capacity: DC 
 30V, 1A: voltage input and current input critical point according to user requirements (eg: 150V, 200V or 0 mA, 1A, etc.). 3) The auxiliary power supply: DC 
 5V, 12V, 24V 4) Power frequency withstand voltage: input / output, input / power supply: AC 2kV/min leakage current 1mA. 5) Dielectric strength: ≥ 20MΩ 6) 
 Work environment: Temperature: -10 to 50 ℃, Humidity: 10 ~ 90% (no condensation) 7) Dimensions: YWE-K1: 42mm × 75mm × 70mm 
 YWE-K3: 110mm × 75mm × 70mm Contact: Mr. Chen Tel :0550 -7308125 Mobile: 13505557820