This certificate is issued as verification that a sample(s), representative of production, was assessed and tested and found to comply with the IEC Standard list below and that the manufacturer's quality system, relating to the Ex products covered by this certificate, was assessed and found to comply with the IECEx Quality system requirements. This certificate is granted subject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operational Documents as amended.
This Unit verification certificate is issued as verification that the Apparatus identified on page 1, was assessed and tested and found to comply with the IEC Standard list below. This certificate is granted subject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operational Documents as amended.
The electrical apparatus and any acceptable variations to it specified in the schedule of this certificate and the identified documents, was found to comply with the following standards:
As this is a Unit Verification Certificate, no QAR is applicable as this certificate is specific to the items listed by serial number or other unique identification.
The Transformer Isolated, Loop Powered, Current Separator Type KFD0-CS-Ex*.52 is designed to restrict the transfer of energy from unspecified Non Hazardous Area Apparatus to Hazardous Area Apparatus without the need for a high integrity earth. The unit is intended to provide a 4-20mA signal return path from the hazardous area and both a dual and a single channel version is available.The “*” in the type number is replaced by a “2” for the dual channel version and a “1” for the single channel version.The apparatus is designed for a rated input voltage not exceeding 40V d.c. but the creepage and clearance distances between the non hazardous area and the hazardous area circuitry are acceptable for a peak voltage of 375 volts, (253V volts r.m.s.)The apparatus comprises a maximum of two channels, and each channel comprises a transformer and electronic components mounted on a printed circuit board and housed within a plastic enclosure which is fitted with terminals for the connection of external equipment.See Annex for electrical parameters.
Variation 1.1To permit a change to the Annex not affecting the intrinsic safety assessment. The Annex is now at Issue 1.