Eliwell EWCM 4120, Manual, Page: 5 / 75

5

according to its manufacture: as an independently mounted or integrated automatic electronic control device
to be incorporated;
 according to its automatic operating features, as a 1 B-type operated control type;

as a Class A device in relation to the category and structure of the software;

as a device with pollution grade 2;
 as a device with class D fire resistance;
 overvoltage category grade II

as a device made with class IIIa material.
Uses not permitted
Any use other than that expressly permitted is prohibited.
The relay contacts supplied are of the functional type and subject to fault (since they are electronically controlled
they are prone to short-circuit or remaining open): any protection devices specified in product standards or suggested
by common sense for obvious safety requirements must be installed externally to the instrument.
RESIDUAL RISKS AND RESPONSIBILITIES
Eliwell is not liable for damage due to:

unspecified installation/use and, in particular, in contravention of the safety requirements of established
legislation or specified in this document;
 use on equipment which does not provide adequate protection against electrocution, water and dust in the
actual installation conditions;
 use on equipment which allows toolfree access to dangerous components;
 tampering with and/or alteration of the products;
 installation/use on equipment which does not comply with established legislation and standards.