Electrical Connection - WIKA STW15 Manual De Instrucciones

5. Commissioning, operation

5.5 Electrical connection

The electrical connection must only be made by qualified skilled personnel.
■
Connect the switch via connection terminals (screw terminals or blade receptacle 6.3).
■
Screw terminal: Conductor cross-section max. 1.5 mm
■
EN
flexible stranded wires are used)
The terminal assignment is stated on the product label of the thermometer.
■
The instruments do not provide for incorporated overcurrent protectors.
In order to prevent the contacts from welding through overload, suitable protection systems
must be implemented by the operator.
Standard
S1
STW
1 + 2 normally closed (monitor function)
1 + 3 normally open
Should only be used for control or signalling functions. Does not offer any sentinel function
or measuring line break monitoring.
16
Option
S1
STW
WIKA operating instructions model STW15
(always use end splices if
2
S2
TR