Power Newsletter - April 2019
Solid State Relays (SSRs)MasTec has sold OPTO 22 SSRs since the mid 1990's - we stock in volume and sell in volume.
Opto 22 provides a full range of Power Series relays with a wide variety of voltage (110575 volts) and current options (345 amps).
All Power Series relays feature 4,000 volts of optical isolation, and have a high PRV rating.Where OPTO 22 products cannot provide a spec match and for some specialised situations we use Power-io, Crydom and other speciality companies.
OPTO 22 can switch up to 575 VAC at 45 amps in a standard hockey puck module. OPTO 22 is not so strong in DC switching and only have low current ranges. We do have other options.
If you are building machines and you need to control AC power, then hockey puck SSRs are excellent as they can be mounted directly to steel cases for heatsinks or if the current is low then use the PCB mount SSRs from OPTO 22.
For distributed SSRs use the OPTO 22 G1, G4 or SNAP products that are backplane mounted.
For DIN Rail SSRs, large SSRs with heatsinks, single and three phase and contactors plus motor starts use Power-io.
For more details on Opto 22 SSR click here
Thyristors and IGBT Controllers
Thyristor controllers are designed to control the battery heat of Heating Ventilation and Air Conditioning systems and the resistive loads within electric furnaces.
Most of the time Thyristors will be involved when handling high currents and voltages, and often when control over alternating currents is needed. They are also used for power supplies for digital circuits; in case the power supply fails and runs the potential of damaging other components.
MasTec Ltd supplies Controllers from three companies
Jumo
AEG of Germany
CD Automation of Italy.All are leading world supplier of single phase & three phase Proportional Thyristor controllers & IGBT DC Proportional Power Controllers.
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