Siemens ULTRAMAT 23 Series Equipment Manual page 75

Ex analyzers
The following applies to all devices in the hazardous area:
Analyzers envisaged for use in hazardous areas in accordance with CSA Class I Div. 2 must be
provided with a safety bracket which protects the power connector from being unintentionally
disconnected (see arrow in above picture). This bracket is enclosed loose with the analyzer and
must be attached before switching on.
ULTRAMAT 23
Equipment Manual, 04/2022, A5E37100388-012
Connecting
5.3 Electrical connection
75