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Omron’s G3PH industrial high-power solid state relay

20 December 2011

Omron has introduced a range of industrial high-power solid state relays (SSRs) that offers extended lifetime and greater reliability thanks to a unique surge pass circuit.

Omron says it has a reputation for excellence in SSRs, which are often required for heating control in industrial processes where products require drying or baking, for example within the food and beverage industry, but also in the production process of flat-panel display equipment in the semiconductor industry. In such instances, furnaces and ovens are heated electrically using high currents passed through Ni-Cr alloy wire elements, or by halogen lamps.

Impervious to power surges
SSRs, are known to be susceptible to (power device) damage in the event of high surge noise. As continuity is vital for productivity and all equipment involved in the production process must be 100 percent reliable, Omron has made available an SSR which is able to handle surge noise. The new G3PH industrial high-power solid state relay offers superior resistance to surge voltages thanks to an original surge-pass circuit that gives the G3PH outstanding surge endurance and protects it against surge voltages in excess of 30kV.

Cost-effective solution
The non-zero-cross version of the G3PH, in combination with the Omron EJ1 modular temperature controller and the G3ZA multi-channel power controller for instance, offers a cost-effective solution compared to the more expensive option of using a standard power controller.

Furthermore the G3PH series offers other benefits, including replaceable power-device cartridges for ease of maintenance, zero-cross load switching, built-in heat sinks, operational indicator etc. Naturally, the G3PH conforms to all current safety standards, including CE, cULus, and TUV.

For industrial applications requiring load-control up to 45A, Omron customers can instead choose from the G3PE SSR range, which likewise brings extended life for tough applications requiring superior surge endurance characteristics.


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