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28 www.bdsensors.com CIT400_E_170113 CIT 400 Process Transmitter Technical Data Signal output Output signal, permissible load 0/4 … 20 mA, max. 500 Ω, galvanically insulated Signal input 2-/ 3-wire-system 4 … 20 mA (in front panel housing only 2-wire-system) Load Ri = 50 Ω; input current max. 75 mA without damage; protected by poly-switch Supply Supply voltage AC-device standard: 230 VAC, 50/60 Hz others on request IS-protection (optional): 100 … 240 VAC, 50/60 Hz Supply voltage DC-device standard: 24 VDC ± 10 % others on request IS-protection (optional): 18 … 36 VDC Power consumption standard: approx. 4 VA option: approx. 6 VA Contacts / Alarm relay Contacts standard: 2 independent relay contacts (floating SPDT) option: 4 independent relay contacts (floating SPDT) Alarm relay 1 relay contact (floating SPDT with hat rail housing; floating NO with front panel housing); notifies broken line and over-current Switching voltage max. 230 VAC Switching current max. 5 A (cos φ 0.9) Sensor supply DC device VS − 3 V IS-protection (optional): approx. 14.5 V @ 20 mAAC device approx. 14 V @ 20 mA; approx. 20.5 V @ 4 mA Sensor current limit Standard approx. 32 mA Ex-protection (optional) linear limit, electronic limit approx. 37 mA Electrical protection Short-circuit protection permanent - galvanic insulation of the contacts against measuring circuit and power supply Reverse polarity protection DC device: no damage, but also no function EMC emission and immunity according to EN 61326 Electrical connection Standard with fixed terminal clamp ; clamp section 2.5 mm2 Housing front panel housing hat rail housing Material Noryl ABS Ingress protection housing: IP 40 / IP 65 1 clamps: IP 20 housing: IP 40 clamps: IP 20 1 IP 65 can be reached by an additional, front sided sealing with a flexible transparent protection cover (available as accessory) Miscellaneous Display 4-digit 7-segment-LE display, red; digit height 10 mm; digit with 7.5 mm; range of indication -1999 ... 9999; accuracy 0.2 % ± 1 Digit LEDs contacts: green alarm: red Permissible temperatures electronics / environment / storage: -20 ... 60 °C Weight AC-device: approx. 450 g DC-device: approx. 300 g Explosion protection (optional) – only in combination with 2 contacts and 1 alarm relay Approval AX13-CIT 400 IBExU05 ATEX 1097 X II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC Safety technical maximum values Uo = 25.2 V, Io = 84.8 mA, Po = 535 mW; IIC: Co = 107 nF; Lo = 5.7 mH Permissible temperatures environment: -20 ... 40 °C Dimensions (in mm) hat rail mounting front panel mounting Thisdatasheetcontainsproductspecification;propertiesarenotguaranteed.Subjecttochangewithoutnotice. depth: 110 mm depth: 110 mm panel cut-out: 68 x 68 mm This document contains product specifications; properties are not guaranteed. Subject to change without notice. CIT 400 Technical Data

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