Ex 14 / ExM 14

Features/Options

  • Ex-zone 1 and 21
  • Thermoplastic enclosure
  • Double insulation Schutzisoliert
  • Ex 14: Slow action Zwangsöffnung, change-over contact or 2 NC contacts with double break
  • ExM 14: Snap action, change-over contact with single or double break
  • Mounting details to DIN EN 50 047
  • Suitable for in-line mounting
  • With pre-wired cable
  • With gold-plated contacts available on request
  • With latching element (On-/Off principle) available on request
  • Version with overlapping contacts available on request (only slow action)
  • 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 glass-fibre reinforced, shock-proof thermoplastic, self-extinguishing
UL 94-V0
Degree of protection IP 65 to IEC/EN 60529
Contact material silver
Switching system slow or snap action
Switching elements Ex 14: change-over contact with double break Zb or 2 NC contacts, galvanically separated contact bridges;
ExM 14: change-over contact with single break C or or double break Za
Connection cable H05VV-F, 3/4 x 0.75 mm2
Uimp 4 kV
Ui 250 V
Ithe Ex 14: T6: 6 A; T5: 3 A
ExM 14: T6: 5 A; T5: 3 A
Ie/Ue Ex 14:
6 A/250 VAC, 0.25 A/230 VDC;
ExM 14 1Ö/1S:
5 A/250 VAC, 0.2 A/230 VDC;
ExM 14:
5 A/250 VAC, 0.16 A/230 VDC
Utilisation category AC-15, DC-13
Max. fuse rating Ex 14: 6 A gG/gN-fuse;
ExM 14: 5 A gG/gN-fuse
Ambient temperature Ex 14 and ExM 14 1Ö/1S:
T6: –20°C ... +65°C,
T5: -20°C ... +95°C
ExM 14:
T6: –20°C ... +60°C,
T5: -20°C ... +95°C
Mechanical life > 1 million operations
Switching frequency 1800/h
Repeat accuracy ±0.1 mm
Contact gap max. 2 x 4 mm
Note Switch must be protected from mechanical damage!
Ex marking EEx geprüft II 2G Ex d IIC T6/T5 Gb,
EEx geprüft II 2D Ex tb IIIC
T80°C/T90°C Db IP65
IECEx Ex d IIC T6/T5 Gb,
Ex tb IIIC T80°C/T90°C Db IP65
Approvals Ex 14:
PTB 03 ATEX 1070 X
IECEx PTB 06.0098X


ExM 14:
PTB 03 ATEX 1069 X


ExM 14 1Ö/1S:
PTB 03 ATEX 1006 X