The main technical data| OPG 01 | Compact construction, no moving parts | | OPG 02 | Sensor length selectable from
min. 65 mm to max. 3000 mm | | OPG 03 | Relay output change-over switch
250 VAC / 6A | | OPG 04 | The optoelectronic level switch OPG 04 is used for monitoring the level of liquids in refrigeration applications. | | OPG 05 | Liquid temperature until +170°C
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