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 295-X model slip ring comprises a stainless steel flameproof enclosure that contains slip rings, associated brushes, and fiber optic connections. The flameproof enclosure has a center shaft that is connected to the stationary object. The outer housing / lower sleeve assembly is connected to the movable object and rotate on a slewing bearing. The rotation is bi-directional up to one rotation per minute. There are five increased safety junction boxes attached to the lower sleeve for electrical connections to the movable object. There is one flameproof enclosure attached to the lower sleeve that contains the control for the condensation heaters used inside the large slip ring enclosure. The slip ring circuits are rated between 1 A and 125 A and can be used for power, signal, bond, grounding and fiber optic signals.
No modifications or repairs to the flameproof joints are allowed.
Fasteners with minimum tensile strength of 450 MPa. must be used.