Thyristors power switches Series702

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

Models
702SSC proportional control
702SSR on/off control
712SSC proportional ventilate control
712SSR on/off ventilate control

Possible applications
• 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

static unit for the control of the electric power operating diagram

General Characteristics

Power supply:	230 Vac, 400 Vac
Operating modes: 702SSR - 712SSR 702SSC - 712SSC	static on/off control (zero-crossing) proportional control (pulse train full period or zero-crossing)
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: 702SSC/SSR 712SSC/SSR	230 A 400 A
Voltage on load:	from 24 to 500 Vac
Operating frequency:	50 Hz
Available outputs:	+10 Vdc output for external potentiometer
LED displayed allarms:	Power lack, over temperature
Possible adjusting:	Max modulation treshold (max power)
Slope control:	time programmable with switch on and off
Limitazione della correnta in uscita:	programmable
Allarms:	LED and relays
Diagnostics:	LED
Ventilation:	continue 712SSR - 712SSC
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): 702SSC - 702SSR 712SSC - 712SSR	174 x 206 x (400/500/600) mm 174 x 206 x (438/538/638) mm
Weight:	8 Kg

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