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 DX*-**0****0000***** Switchbox is designed to be fitted to a valve, damper or actuator to give a current feedback (4-20mA) of its position to a control system - PLC or DCS. A digital signal (HART Protocol) is superimposed on the current signal to give feedback digitally of the position and health of the assembly as well as the ability to calibrate the unit via a hand-held device.
DXR - resin (Valox)
Refer to the additional sheet.
The DX*-*H…. and DX*-*X…. versions of the Switchbox contain a 4-20 mA board (HART or non-HART respectively), which has the following safety description:
In addition to the 4-20 mA board, the equipment may contain up to two additional devices, which are simple mechanical switches or NAMUR sensors. The simple switches have a maximum input power (Pi) of 1.3 W from an intrinsically safe supply. The NAMUR sensors are covered by the following certificate:
IECEx KEM 06.0036X Turck two wire proximity sensor, type ...-….-.Y1.-……/….
The user and installer shall comply with the following Conditions of Certification:
The Switchbox may contain the following IECEx-certified device:
Turck two wire proximity sensor, type ...-….-.Y1.-……/…. covered by IECEx KEM 06.0036X
If fitted, the installer shall confirm which certified sub-assembly is contained within the Switchbox and ensure compliance with the entity parameters in the certificate.
The following conditions of manufacture apply: