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Mechanical pressure switches
Additonal functions/Connecting schemes
Pressure switches and pressure monitors
Additional functions / Connection schemes
Plug connection,
200 series (IP 54)
Terminal connection, Connection scheme
300 series (IP 65)
Standard version
(plug connection)
Micro switch, single pole
switching, switching
differential not adjustable
Terminal connection
housing (300)
ZF301
Unit with adjustable
switching differential
ZF203
Maximum pressure limiter
with reclosing lockout
Interlocking with
rising pressure
see DWR series
ZF205
Minimum pressure limiter
with reclosing lockout
Interlocking with
falling pressure
see DWR series
ZF206