V Instruments

UJT, R & RC Firing circuit for SCR

  • One number of UJT , R & RC Firing circuit is provided
  • 2N2646 UJT used as a triggering device
  • Potentiometer is provided for firing angle adjustments (10-170 degree)
  • 1:1 Pulse transformer is provided for pulse isolations
  • One number R FIRING circuit with Potentiometer for firing angle adjustments
  • One number RC FIRING circuit with Potentiometer for firing angle adjustments
  • Pulse Outputs for all 3 firing circuits are terminated by connectors for SCR inputs
  • One number of TYN612 SCR with proper heat sink & snubber circuit is provided
  • 230/24V @0.5A Transformer is provided for UJT Firing circuit input
  • 230/24V @1A Transformer is provided for power circuit input
  • One number of Toggle switch for Power circuit 24V AC ON/OFF
  • One number of Power Resistor of 100E/20W is provided as R load
  • Power ON/OFF Switch with Indication
  • All are mounted on a nice cabinet with See through acrylic top cover