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Connection description
Input contacts
CT3MA can be connected to two external clean contacts.
Contacts power supply is provided by CT3MA.
Use mechanical or electromechanical contacts suitable for use with
40Vmin / 20mAmin dc.
Polarity
When using electronic switches, terminals In-1 and In-2 are positive
terminals whereas GND is the reference.
Anti-rebound
To prevent false operations, contacts ate considered closed or open
only after 1 second of stable condition.
Connection
Immunity against interference
The cable shall not be longer than 3 m.
