D3: Digital positioner with display and indicator I: Ex i, intrinsically safe version G: ¼” NPT air connections, M20x1,5 electrical connections U: Epoxy coated Aluminium housing D: Double acting 23: Spindle no. 23 for rotary actuators, VDI/VDE 3845 PVA: Black PMV front cover, 90° Z: NBR-Seals, temperature range -20°C to +80°C 4: Input signal 4-20mA S: Feedback 2 mech. Switches + 4-20mA M: Gauge block
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