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THYRISTOR BASED PHASE / HEATER CONTROLLER
Single Phase Three Phase Model: 1-PHASE : Single Phase Heater Controller 3-PHASE : Three Phase Heater Controller Description:
Equipment manufacturers and maintenance engineers need a reliable, flexible approach to controlling electric-heating processes in today’s competitive, cost-conscious industrial environment SCR (silicon controlled rectifier) power control offers advantages including precise control of the heating process, extended heater life, improved product quality at faster production speeds and reduced maintenance costs Proper selection of an SCR power control can result in many years of reliable service Comparing Power Control:
A silicon controlled rectifier is a solid state switching device that can provide fast, infinitely variable proportional control of electric power an SCR can cycle as fast as 0.08 seconds on a 50 / 60-Hz power line With proper selection and use, an SCR power control can cycle on and off 1,000,000,000 times without any problems Unlike a mechanical relay or contactor, an SCR power control has no mechanical parts to wear out Benefits:
Reliable solid states switching of high current loads Improves heater life by minimizing thermal cycling Improves control accuracy with virtually no switching hysteresis Features & Specifications: 1 Phase, 3 Phase units are available Up to 1000A Control method : Burst & phase angle firing modes RC snubbers included for transient voltage protection Aux Supply: 230V AC, 50 Hz Control input signals: 4-20 mA / 0-10VDC / 0- 5 VDC Isolated from high voltage Internal overheat protection (optional)
Vtech Electronics
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