Tecfluid MT03L Series Instruction Manual page 10

Electronic converter for level transmitters
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Terminal
13
14
15
16
17
18
The relay outputs provide relays with potential free contacts (see characteristics on page 29).
The status of the relay contacts corresponds to the relay at
The relay contacts are not protected in any way, and therefore they must be installed
externally
as required in the
characteristics of such contacts.
In the case of having inductive loads, and to extend the working life of the relay contacts, it is
recommended to use overvoltage protection (VDR for AC and diodes for DC loads). In all
cases a fuse or some kind of protection against short circuits,
according to the needs of the intended load.
Description
Normally open
Normally closed
Common
Normally open
Normally closed
Common
application, taking into account the limitations of the
10
Relay
Relay 1
Relay 1
Relay 1
Relay 2
Relay 2
Relay 2
rest.
should always be provided

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