electronics for automations


static units, thyristor power switches for static and proportional control of the electric power

 Thyristors power switches Series703

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thyristors power switches


     
Description
Microprocessor based system for the control both static on/off and proportional of the electric power on resistive or inductive three phase loads.

Models
703SSC proportional control
703SSR on/off control
713SSC proportional ventilate control
713SSR on/off ventilate control


Possible applications
 • Generic inductive loads like transformers, coils, etc.
 • Owens with high temperature factor heatings with superkanthal elements, graphite, short infrared, etc.
 • Time variable loads as silicon carbide resistors,
 • Electric power change-over switches,
 • Sintering machines,
 • Industrial owens for metal hardening or annealing,
 • Owens for tunnel and cone brazing,
 • Melting pots,
 • Greenhouses for ceramics and building materials,
 • Fiber optics polimerization systems,
 • Climatic celles for burn-in,
 • Infrared based systems for warming-up,
 • Owens for glass melting and manufacturing,
 • Estruding presses,
 • Machines, owens and melting pots for gold manufactoring,
 • Machines for paking and pakaging.

Regulations
CE mark in compliance with:
 • European Directives 89/336/CEE and 93/68/CEE;
 • European Directive 73/23/CEE;
 • Technical Standards.


Operating diagram
static unit for the control of the electric power operating diagram

    General Characteristics
Power supply: 230 Vac, 400 Vac
Operating modes:
   703SSR - 713SSR

   703SSC - 713SSC

static on/off control (zero crossing),

proportional control (pulse trains full period or zero-crossing),
proportional control (phase shut with digital control)
twin mode( start at phase shut for a programmable number of periods up to 255 mixed with pulse trains)
Possible load connections: star with central neutral (4 wires)
open triangle (6 wires)
close triangle (3 wires)
Enabling system: Optocoupled input from 8 to 32 Vdc
Command modes: analog voltage (0 .. 5 Vdc, 0 .. 10 Vdc)
analog current (0 .. 20 mA, 4 .. 20 mA)
digital in current-loop
Max load current:
   703SSC/SSR
   713SSC/SSR

200 A
400 A
Voltage on load: from 24 to 500 Vac
Operating frequency: 50 Hz
Available outputs: +10 Vdc output for external potentiometer
Allarms: LED and relays
LED displayed allarms: Power lack, over temperature
Possible adjusting: Max modulation treshold (max power)
Slope control: time programmable with switch on and off
Limitation current out: programmable with current control card (optional)
Diagnostics: LED
Ventilation: continue 713SSC - 713SSR
Electric protection: snubbers, varistors, extrafast fuses
Thermal protection: security thermostat
Mechanical fixing: with screws
Operating temperature: from 0 °C to 50 °C
Dimensions (d x w x h):
   703SSC - 703SSR
   713SSC - 713SSR

174 x 206 x (400/500/600) mm
174 x 206 x (438/538/638) mm
Weight: 10,5 Kg
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