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- O P E R A T I O N -
1. Component parts
2. Contents
3. Application & Safety
4. Assembly
5. Adjustment
6. Exchange reset spring
7. Circuit diagram
8. Maintenance
9. ENICONTROL
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Use of ENICONTROL level indicators in ex-areas

The ENICONTROL level indicators can be used in explosive II designated areas in accordance with VDE 0165.

Zone II

covers areas, within which it is possible that a dangerous explosive atmosphere appears momentarily due to whirled up deposited dust. (excerpt from VDE 0165)

The operational funds used in zone II do not require a special inspection certificate. The operational funds must be built so that neither explosive dust, air mixtures, or dangerous dust deposits can reach the inside. These conditions are fulfilled if the operational funds meet at least protection class IP 54. (excerpt from VDE 0165)

The ENICONTROL level indicator fulfills the conditions of the protection class IP 54. In addition, the installed micro switch meets the higher protection class IP 65.


  ENICONTROL level indicator protection class IP 54 Micro switch contacts protection class IP 65
Protection against contact against contact with devices of all kinds against contact with devices of all kinds
Scope of protection against damaging dust deposits on the inside perfect dust shield
Water protection no damaging effect of splash-water no damaging effect of spout-water

For increasing the operatinal safety further, ENICONTROL level indicators can be operated with intrinsically safe relays of the type GNU-ex.
The intrinsically safe electric circuit avoids the emergence of explosive sparks and heat. In addition the necessary mains voltage cannot be carried off.