Ex 61 / ExM 61

Features/Options

  • Ex zone 1 and 21
  • Metal enclosure
  • ExM 61: Snap action, change-over contact with single break
  • Ex 61: Slow action, change-over contact with double break
  • With pre-wired cable, cable length 3 metres
  • Available with actuator heads repositioned by 4 x 90°
  • Special version only for dust Ex zone 22 available
  • N.B.: Please state required approvals for Russia, China, Brazil and North America with your order!

Product image

 

Technical data

Standards EN 60947-5-1; EN 1088;
EN 60079-0, EN 60079-1,
EN 60079-31
Enclosure aluminium die casting, enamelled
Cover steel, enamelled
Switch insert ExM 14, Ex 14
Degree of protection IP 65 to IEC/EN 60529
Contact material silver
Switching system snap or slow action,
positive break NC contact Zwangsöffnung
Switching elements ExM 61: change-over contact with single break, Form C,
Ex 61: change-over contact with double break Zb, galvanically separated contact bridges
Connection cable H05VV-F, 3/4 x 0.75 mm2
Cable length 3 m
Uimp 4 kV
Ui 250 V
Ithe T6: 6 A, T5: 3 A
Ie/Ue 6 A/250 VAC; 0.25 A/230 VDC
Utilisation category AC-15, DC-13
Max. fuse rating 6 A gL/gG D-fuse
Ambient temperature T6: –20 °C … +65 ºC;
T5: –20 °C … +95 ºC
Mechanical life > 1 million operations
Switching frequency 1800/h
Repeat accuracy ±0.1 mm
Contact gap max. 2 x 4.5 mm
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 ExM 61:
PTB 03 ATEX 1069 X*


Ex 61:
PTB 03 ATEX 1070 X*
IECEx PTB 06.0098 X*

*referring to the switch insert