Industrial grade liquid level switches operate up to 30VDC, support 1A

January 22, 2018 //By Julien Happich
Industrial grade liquid level switches operate up to 30VDC, support 1A
Strengthening SST Sensing's Optomax portfolio of infra-red liquid level switches, the Optomax Industrial series offers the same functionality and operational performance, but with the added advantage of greater overall electrical robustness and flexibility.

They are capable of accepting supply voltages from 4.5VDC to 15.4VDC or 8VDC to 30VDC and have built-in protection against over-voltage, reverse polarity, and the presence of voltage transients or electrostatic discharge strikes. Delivering an output current of up to 1A, the switches can be used to directly activate alarm beacons, relays, pumps and motors within the system - so that reactive measures can be taken. A broad variety of electronic output configurations are available, to meet specific application requirements.

The liquid level switches can deal with pressure levels up to 20bar. In addition, industrial operating temperature ranges are supported all the way from -40 to 125°C. The 33.8mm long units come in a choice of M12, ½”-20 UNF and 1/4” NPT thread options. They are supplied in two different chemically-resistant, anti-corrosive housing options, with Polysulfone being used for the majority of applications and Trogamid being employed mainly in tasks such as food and beverage processing.

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