Electrical Connection; Magnetic Switch; Primary Element - Igema NA7-50 Installation And Operating Instructions Manual

Magnetic level gauge
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Assembly of magnetic switches or sensor may only be carried out in a
maximum angle of 90° to the centre of the flap indicator.
Never insulate additional equipment.
The magnetic switch is continuously adjustable in the whole indication
area "E". (see special data sheet)
The centre of the lower process connection is the reference point for the zero
mark of the sensor (marked in red).
(see special data sheet and operating instruction for primary element MRK-..)

7. Electrical connection

Only skilled and qualified personnel may carry out the electrical
connection according to the wiring diagram!
Respect the instructions of the VDE (Association for Electrical,
Electronic & Information Technologies) and of the local network
operators for the installation to be provided by the customer!
Only use cables that are suitable for the operating range!
Observe the switching time of the magnetic switch when designing a
safety circuit. Adhere to basic and reliable safety principles as per
DIN EN ISO 13849 for electrical components.

7.1 Magnetic switch

Contact position and wiring diagram:
Float above the switch
We recommend to use customary RC combinations or a suitable Varistor
(e.g. 0,1 μF/100 Ω) as inductive consumer to extend the contact life of the
magnetic switch. Resistance value (Ω) and power rating (W) depend on
customer indications.
We suggest to use silicon cables free of acetic acid for the further connection
cable in the area "connecting housing inside".

7.2 Primary element

see special data sheet and operating instruction for primary element MRK-...)
Float below the switch
11

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Na7-52

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