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These SCR power packs are supplied as complete units. These units are available with time cycle control or phase angle control. Phase angle firing may selected for random firing or zero cross firing. These units have in-built control modules, SCR firing control circuit, required SCR and heat sink with cooling fans. These power packs are protected against over voltage and over current. Output short circuit protection is provided via semiconductor fuse.

These power packs can be used for various industrial applications e.g.. heater control, power control etc.
Model  Features 
SCR Power Packs 

Image of SCR power packs
  • Ideal for use electric furnaces , dryers , test chambers and other voltage control applications
  • Can be interfaced with PID controllers
  • Very small size with cooling fan  ( if required )
  • Fast response
  • Available in two types : Phase control and Time Base control ( with zero crossing switching )
  • Also available solid state relay configuration.
  • For single and three phase control
  • Control input : 4-20mA or 1-5VDC
  • Output over voltage and short circuit protected 
  • Also available compatible heat sink with fan 
  • Voltage rating : 110V , 220V , 380 V or 440V AC 
  • Current ratings : 20A , 30A , 50 A , 70 A , 100A , 120A , 160A, 200 A and  300 A 
  • Maximum operating temperature : 50°C max.

Brochure on Power Regulators

Please contact us for detailed technical specifications of the above power packs. 

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M.B. Control & Systems Pvt. Ltd.
31/1 Ahiripukur Road
Calcutta - 700019 , India
Ph:   +91-33-22878475,  22873791
Fax : +91-33-22870445
Email :mbcontrol@vsnl.com