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WIKA DPGS40TA Manual De Instrucciones página 26

Manómetro diferencial con microswitch, con prueba de componentes
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6. Commissioning, operation
Safety instructions for installation
EN
The instruments do not provide for incorporated overcurrent protectors!
Implement suitable protective systems, in order to prevent the contacts from
welding through overload!
Only connect circuits with the same voltage and protection class to the switch
contacts and connecting cables.
Limit the maximum current, using external measures, to a value of AC 250 V,
5 A
, with resistive load, per circuit.
1)
Size the connecting cables for the largest current strength in the circuits.
1) Deviating current limitation I max. = 1.4 A for designs in accordance with VdTÜV code of practice "Flow 100"
The exact information for the pin assignment and the required power supply
are stated on the product label on the case circumference. Examples of pin
assignments are shown below.
Example, pin assignment 1:
Cable gland and cable
1st contact 2nd contact
26
Follow the installation and safety instructions within the operating
instructions.
Install instruments in accordance with the manufacturer's instruc-
tions and the valid standards and regulations.
For the safety circuit, which will switch off the heating if the steam
generator falls below the minimum flow, only the normally open
contact of the change-over contact should be connected (i.e. with
Δp = 0 open circuit)!
WIKA operating instructions DPGS40TA with component testing
Example, pin assignment 2:
Cable socket or angular connector per
DIN 43651
2nd contact
1st contact
Cable socket

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