Solid State Contactor accepts 4-20 mA control signal.
June 25, 2007 -
Able to handle resistive loads up to 25 or 35 A/phase, 3-phase DMA3-6V75T converts analog input into high-speed time proportional output that is compatible with most PLCs or SCADA systems. Switched outputs are zero-crossing solid state back-to-back thyristors to minimize electronic noise. Contactor is suited for applications such as resistive electric heaters, food processing heaters, and heater control on plastics extrusion or blow molding machines.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Power-IO
537 Braemar Ave.
Naperville, IL, 60563
USA
Power-IO Introduces Improved 4-20 mA Input, Solid State Contactor
Power-io has released an improved DMA3-6V75T solid state contactor. This three phase contactors accepts an analog 4-20mA control signal and provides a 3 phase solid state contactor for resistive loads up to 25 or 35 amps/phase. The contactor converts the analog input into a high speed time proportional output that is directly compatible with most PLCs or SCADA systems. The switched outputs are zero-crossing solid state back-to-back thyristors for long life and minimum electronic noise.
Typical applications include: resistive electric heaters, food processing heaters, heater control on plastics extrusion or blow molding machines, and other process heaters.
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