Siemens SITRANS WM300 MFA Operating Instructions Manual page 27

● All field wiring shall have insulation suitable for the highest applied input or relay voltage
(whichever is greater).
● Relay contact terminals are for use with equipment that has no accessible live parts and
wiring that has insulation suitable for at least 250 V. The maximum allowable working
voltage between adjacent relay contacts should be 250 V.
SITRANS WM300 MFA
Operating Instructions, 08/2018, A5E45090709-AA
Connecting
4.2 Connection to Power
27