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Catalogue Pressure Switch

41 www.bdsensors.com DS 400P Electronic Pressure Switch Technical Data Explosion protection (only for 4 … 20 mA / 2-wire) Approval AX14-DS 400P IBExU 06 ATEX 1050 X Zone 0: II 1G Ex ia IIC T4 Safety technical maximum values Ui = 28 V, Ii = 93 mA, Pi = 660 mW, C ≈ 0 nF, Li ≈ 0 µH Max. switching current 8 70 mA Permissible temperatures for environment in zone 0: -20 ... 60 °C with patm 0.8 bar up to 1.1 bar in zone 1: -25 ... 70 °C Connecting cables (by factory) cable capacitance: signal line/shield also signal line/signal line: 100 pF/m cable inductance: signal line/shield also signal line/signal line: 1 µH/m 8 the real switching current in the application depends on the power supply unit Miscellaneous Display 4-digit, 7-segment-LED display, visible range 37.2 x 11 mm; digit height 10 mm, range of indication -1999 ... +9999; accuracy 0.1% ± 1 digit; digital damping 0.3 … 30 sec (programmable); measured value update 0.0 … 10 sec (programmable) Current consumption (without contacts) 2-wire signal output current: max. 25 mA 3-wire signal output current: approx. 30 mA + signal current 3-wire signal output voltage: approx. 30 mA Ingress protection IP 67 Installation position any (standard calibration in a vertical position with the pressure port connection down; differing installation position for PN ≤ 4 bar have to be specified in the order) Weight min. 500 g (depending on mechanical connection) Operational life > 100 x 108 cycles CE-conformity EMC Directive: 2004/108/EC Wiring diagrams 2-wire-system (current) 3-wire-system (current / voltage) Pin configuration Electrical connection M12x1 metal (5-pin) Supply + Supply – Signal + (only 3-wire) Contact 1 Contact 2 1 3 2 4 5 Shield plug housing / pressure port Designs 9 Electrical connections (dimensions in mm) side display 45° display (others on request) M12x1 (5-pin) 9 all designs in horizontal rotatable housing as standard supply + signal + contact 1 VS A / V p I/U supply – contact 2 R RL p I VS supply + supply – contact 1 contact 2 R RL DS 400P Technical Data

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