The 300 series from Contrinex are small, self contained, inductive proximity switches with integrated evaluation electronics. The range includes casing diameters down to 3 mm for space-critical applications. All devices are available in 3-wire DC, NPN and PNP configurations, additionally, the range contains devices with two wires in accordance with NAMUR.
All 3-wire models are available in NO and NC configurations; a LED output state indicator is standard. In addition, all the important protection functions are built in, such as short-circuit and overload protection, full polarity reversal protection, inductive protection, EMC protection, power on reset etc, (only partially for namur devices). CE conformity is achieved without the external protective circuit authorised according to the standard (EN 60947-5-2/7.2.3.1).
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