Belt and braces: Ex protection and plant safety
Machine safety in explosive environments: when switchgear is required for this combined application, two different – and complex – sets of rules and standards have to be complied with, both of which make high demands on the products in question. Even though this field is a “niche within a niche”, users still have diverse options regarding their choice of safety switchgear and sensors, including the position switches with a safety function in the Ex 97 and Ex 99 series.
Source: ccp (01/2018)
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