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.
A range of three phase totally enclosed induction motor models with water jacket or convection air cooling, all intended for mining machine service.The enclosure has bolt on cast iron end shields (brackets) having integral bearing housings. Water cooled versions have a fabricated steel carcass and air cooled versions have a cast iron carcass having integral cast fins.
Cable entry for supply wiring is via a separately certified cable gland having a cylindrical flamepath to the enclosure with or without an adaptor. Supply wiring is direct entry butt jointed to the winding leadouts supply wiring connections. Examination of the cable and gland assembly is not included in the scope of this certificate.The rotor shaft is supported by rolling element bearings. Bushings in the end shields and shaft sleeves provide the shaft glands.
All models having two pairs of normally closed, internally mounted, thermostats rated as 145oC±5o C.Individual model details are given in Schedule 1, Schedule 2 and Schedule 3 in the Annexe to this certificate.