Thyristor Power Controllers by Dydac Controls

Dydac offers wide range of Thyristor Power Controllers in three phase star or delta, three phase star with neutral. The SCR control can deliver electrical power to heaters in several ways: phase anglefired, zero voltage switched and on/off control. Dydac Controls Thyristor SCR Power Controllers. A sample of some typicala pplications: Large tank heating and mechanical relay replacement. Thermoforming, textiles, industrial furnaces and ovens, extruders, kilns, chemicalprocess heating, fast water heat. Paper and pulp drying, packaging machines, pharmaceutical processes, infrared ovens and dryers. High-temperature ovens and furnaces, kilns, glass, ceramics & high-temperature alloys. High-speed paper and ink dryers, high temperature IR heating, high temperature materials processing. Primary of transformer-coupled loads. Phase angle proportional control. No temperature or power cycling I2T Rectifier fuses standard Isolated SCR's Integrated thermal/mechanical design saves panel space Voltage protection - MOV capacitance 10 to 400 Ampere current ratings. Other Ratings Over 400 Amps Possible. Easy to install, test, service. The Dydac Thyristor Power Controller is a heavy duty, fully Digital or Analog one, two or three phase power control unit for controlling the voltage applied to loads such as heating elements, thus, allowing temperature control while eliminating contactor switching and over/under heating. The first in a series of Digital or Analog Thyristor ( SCR ) Power Controllersincorporating protection functions.

Features:

• Soft start – bake out feature prevents moisture at start up
• Current Limit, Phase Loss Trip, Over temperature Trip
• Microprocessor Digital Programmable Thyristor Power Controller with Percentage Display. Program setting of Current Limit, Soft start etc by front keys

Ratings:

• Three Phase Star/Delta- 35, 50, 70, 90, 150, 200, 250, 300, 350, 400 Ampers
• Three Phase Star with Neutral - 35, 50, 70, 90, 150, 200, 250, 300, 350, 400 Amperes .

Built in switching methods are:

• Phase Control Firing
• Zero Crossing Firing
• Range: 15 A - 400 A, 220-1200V,

Thyristor SCR Power Controllers -typical applications:

• Hvac
• Furnaces
• Ovens
• Plastic
• Glass
• Paint
• Paper
• Infra red ovens & conveyers
• Large tank heating and mechanical relay replacement.
• Thermoforming, textiles
• Industrial furnaces
• Extruders
• Kilns
• Chemical process heating
• Fast water heat
• Paper and pulp drying
• Packaging machines
• Infrared ovens and dryers
• Ceramics
• Heat treatment
• High-speed paper and ink dryers
• High temperature ir heating
• High temperature materials processing.
• Semiconductors
• Heaters
• Primary of transformer-coupled loads

Advantages at a glance:

• Fully digital Thyristor
• Analog Thyristor
• Phase Control and Zero Crossing
• Current: 15 – 400 A (consult us when higher ratings are needed)
• Voltage: 230- 500 V 50/60Hz
• Cooling Method: Forced air
• Ambient. Temp: 0 - 50°C
• Continuous Duty
• One, Two or Three controlled phases
• Three C. T. 's
• Input 0-10VDC, 4-20mA or 0-20mA
• Digital display

LEDs:

• PLT
• Over Current
• Over Temperature
• Alarm
• Trip
• Connection types
• Single Phase
• Double Phase
• Three Phase Star without Neutral
• Three Phase Star with Neutral
• Delta Connection

Protection functions:

• Under & Over current
• Phase loss
• Shorted SCR
• Heat sink over temperature Trip & Alarm
• Internal failure