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Location Zones 1 or 2. Gas Group, IIC, IIB or IIA,Temp Class up to T4 Certificate No. KEMA03ATEX1021X Safety Parameters Supply Ui =determined by Ii and Pi Ii=2A Pi=1W Ci=Li = 0The device can be powered from an EEx ia IIC certified interface with output parameters lower than those shown above Window Colours 14-26VDC, current 20mA per 30mm window Recommended Interfaces All three different window sizes are available in the following six colours Red Zener Barriers: S951, S953 IS Isolators: WIS1210, WIS1211, WIS1213 Environment Amber Operating temperature:0 to 60ºC Storage temperature:–20 to 80ºC Humidity:0-95% RH, non condensing Protection

Technical Specification

Yellow IP41 from the front, IP20 from the rear Certification ATEX certified to EN50014:1997 and EN50020:2002 Group II, Category 2G, EEx ia IIC T4 (Ta –20ºC to +60ºC) Connections Window Details Integral Components Window Marking Raising clamp terminals suitable for 2.5mm The DFR30IS is available in three window sizes: small, medium and large as listed below. Small:30 x 30mm Medium:60 x 30mm (W x H) Large:60 x 60mm Any combination of these window sizes can be supplied in any format, mixed as required in a single display to make up the appropriate matrix required. As these Displays are used for alarm indication it is often necessary to include pushbuttons and audibles within the display itself to acknowledge and reset alarms. These are normallyfitted in the bottom right hand cell. Displays can be configured with the required filter colours and film legends to suit the exact customer’s requirements or alternatively RTK can supply a template to allow users to create their own legends locally. White Green Blue
12 303030 12 60 60 12303030 1230 30

Small Large Medium

30 Small: Height= 24 + (rows x 30)Width= 24 + (columns x 30) 12 60 60 Medium: Height= 24 + (rows x 30)Width= 24 + (columns x 60) 12 Large: Height= 24 + (rows x 60)Width= 24 + (columns x 60)Cutout:subtract 10mm from each dimension 60 12 60 80 2 cable Compliance Immunity to EN61000-6-2:2001Emissions to EN61000-6-4:2001
Due to our policy of continuous product development, we reserve the right to amend specifications without notice. Doc DFR30IS-0

DFR30IS Intrinsically Safe Display Facia - 19514 5

YEAR RTK Instruments Limited St James Business Park, Knaresborough, North Yorkshire, England. HG5 8PJTelephone: +44 (0)1423 580500Facsimile:+44 (0)1423 580501 Web: www.rtkinstruments.com Email: enquiry@rtkinstruments.com GUARANTEE FM14290ISO9001:2000