Taiwan SCR's first brand ZEROSPAN , since 1986, specializing in SCR electric heating regulator/power regulator/power regulator/power regulator/SCR/named "Heatsoft", SSR solid state relay, Motosoft The R&D and production of industrial products related to motor soft start has greatly improved the functions, precision and quality stability of the integrated microcomputer chip and super software technology.
The appearance is an excellent design such as the original patented HOM structure, which has extremely high safety.

 F( Series) Heater regulator /power controller /SCR ZeroSpan SCR  F-Type 
Model:FF40035
3φ3w voltage:330-530VAC 
current:35A  
Zero control
Input Signal：DC4-20mA, 0-20mA, 1-5V, 0-5V, 2-10V, 0-10V（Free to change）