Ex ZS 90 SR

Features/Options

  • Ex zone 1 and 21
  • Thermoplastic enclosure
  • 2 or 4 contacts
  • With contact staggering
  • Release by lever possible
  • Belt-alignment lever continuously adjustable
  • N.B.: Please state required approvals for Russia, China and Brazil with your order!

Product image

 

Technical data

Standards EN 60947-5-1; EN 1088;
EN 60079-0, EN 60079-1,
EN 60079-31; EN ISO 13849-1
Enclosure Duroplast
Cover Duroplast
Switch insert Ex 14
Degree of protection IP 65 to IEC/EN 60529
Contact material silver
Switching system slow action, positive break
NC contacts Zwangsöffnung
Switching elements 1 NO/1 NC or 2 NO/2 NC contacts with double break
Connection cable H05VV-F,
length 3 m
Cable entry 2 x M25 x 1.5
B10d (10%load) Ex ZS 90 SR VD: 200.000,
Ex ZS 90 SR: 2 million
TM max. 20 years
Uimp 4 kV
Ui 250 V
Ithe T6: 6 A; T5: 3 A
Utilisation category AC-15, DC-13
Ie/Ue 6 A/250 VAC; 0,25 A/230 VAC
Max. fuse rating 6 A gG D-fuse
Ambient temperature T6: –20 °C … +65 ºC;
T5: –20 °C … +95 ºC
Mechanical life Ex ZS 90 SR VD: > 100.000 operations,
Ex ZS 90 SR: > 1 million operations
Ex marking EEx geprüft II 2G Ex d IIC T6/T5 Gb,
EEx geprüft II 2D Ex tb IIIC
T80°C/T95°C Db IP65
IECEx Ex d IIC T6/T5 Gb,
Ex tb IIIC T80°C/T95°C Db IP65
Approvals PTB 03 ATEX 1070 X*,
IECEx PTB 06.0098 X*
*referring to the switch insert