Ex 12

  • Ex zone 1 and 21
  • Metal enclosure
  • With pre-wired cable
  • Snap action, change-over contact with single break
  • Suitable for in-line mounting
  • Gold-plated contacts available on request
  • Available with hard-coated enclosure for use in aggressive conditions
  • Special version only for dust Ex zone 22 available
  • Attention: Please state required international approvals with your order!

Available on request:

Cable entry on side
Mounting thread M16 x 1.5
Mounting thread on side M16 x 1.5

Technical data

Applied standards EN 60079-0, EN 60079-1, EN 60079-31, EN 60947-5-1
Enclosure aluminium die-cast, hard-coated
Degree of protection IP 65 to IEC/EN 60529
Contact material silver
Switching system snap action
Switching elements 1 change-over contact with single break, type C
Connection pre-wired cable H05VV-F
Cable cross-section 4 x 0.75 mm² (incl. conductor ferrules)
Rated impulse withstand voltage Uimp 4 kV
Rated operating isolation voltage Ui 250 V
Conventional thermal current Ithe 5 A
Utilisation category AC-15; DC-13
Rated operating current/voltage Ie/Ue 5 A/250 VAC; 0.16 A/230 VDC
Short-circuit protection 5 A gG/gN fuse
Ambient temperature –20 °C … +60 °C
Mechanical life > 1 million operations
Operation cycles max. 1800/h
Repeat accuracy of switching points ± 0.1 mm
Impact energy max. 7 J
Ex marking II 2G Ex db IIC T6 Gb
II 2D Ex tb IIIC T80 °C Db
IECEx Ex db IIC T6 Gb
Ex tb IIIC T80 °C Db
Approvals PTB 03 ATEX 1067 X
IECEx PTB 11.0089X

Ordering details

Plunger

Type   Material no.  
Type    Material no.   
Ex 12 - 2m 1044190
Type    Material no.   
Ex 12 - 5m 1044196
Type    Material no.   
Ex 12 - 10m on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Plunger with collar W

Type   Material no.  
Type    Material no.   
Ex 12 W - 2m 1044247
Type    Material no.   
Ex 12 W - 5m stock type Standard versions, in stock or available at short notice 1044243
Type    Material no.   
Ex 12 W - 10m 1044254
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Plunger for front mounting F

Type   Material no.  
Type    Material no.   
Ex 12 F - 2m 1044798
Type    Material no.   
Ex 12 F - 5m 1044786
Type    Material no.   
Ex 12 F - 10m 1189582
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Ball plunger KU

Type   Material no.  
Type    Material no.   
Ex 12 KU - 2m 1189033
Type    Material no.   
Ex 12 KU - 5m 1044286
Type    Material no.   
Ex 12 KU - 10m 1189348
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Ball plunger with collar WKU

Type   Material no.  
Type    Material no.   
Ex 12 WKU - 2m 1189071
Type    Material no.   
Ex 12 WKU - 5m 1177194
Type    Material no.   
Ex 12 WKU - 10m 1052139
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Ball plunger for front mounting FKU

Type   Material no.  
Type    Material no.   
Ex 12 FKU - 2m 1189073
Type    Material no.   
Ex 12 FKU - 5m 1189078
Type    Material no.   
Ex 12 FKU - 10m on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Roller plunger R

Type   Material no.  
Type    Material no.   
Ex 12 R - 2m 1044379
Type    Material no.   
Ex 12 R - 5m 1044370
Type    Material no.   
Ex 12 R - 10m 1172596
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Roller plunger with collar WR

Type   Material no.  
Type    Material no.   
Ex 12 WR - 2m 1044436
Type    Material no.   
Ex 12 WR - 5m stock type Standard versions, in stock or available at short notice 1044435
Type    Material no.   
Ex 12 WR - 10m 1044457
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Roller plunger for front mounting FR

Type   Material no.  
Type    Material no.   
Ex 12 FR - 2m 1189083
Type    Material no.   
Ex 12 FR - 5m 1044842
Type    Material no.   
Ex 12 FR - 10m on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Roller lever with collar WH

Type   Material no.  
Type    Material no.   
Ex 12 WH - 2m 1044510
Type    Material no.   
Ex 12 WH - 5m 1044507
Type    Material no.   
Ex 12 WH - 10m 1160689
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Long roller lever with collar WHL

Type   Material no.  
Type    Material no.   
Ex 12 WHL - 2m 1044565
Type    Material no.   
Ex 12 WHL - 5m 1044559
Type    Material no.   
Ex 12 WHL - 10m 1175319
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Offset roller lever with collar WHK

Type   Material no.  
Type    Material no.   
Ex 12 WHK - 2m 1051633
Type    Material no.   
Ex 12 WHK - 5m 1189087
Type    Material no.   
Ex 12 WHK - 10m on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Parallel roller lever with collar WPH

Type   Material no.  
Type    Material no.   
Ex 12 WPH - 2m 1189089
Type    Material no.   
Ex 12 WPH - 5m 1177755
Type    Material no.   
Ex 12 WPH - 10m 1190378
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Rocking lever D

Type   Material no.  
Type    Material no.   
Ex 12 D - 2m 1044639
Type    Material no.   
Ex 12 D - 5m stock type Standard versions, in stock or available at short notice 1044640
Type    Material no.   
Ex 12 D - 10m 1182482
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Long rocking lever DL

Type   Material no.  
Type    Material no.   
Ex 12 DL - 2m 1189096
Type    Material no.   
Ex 12 DL - 5m 1189100
Type    Material no.   
Ex 12 DL - 10m on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Adjustable rocking lever DS

Type   Material no.  
Type    Material no.   
Ex 12 DS - 2m 1189106
Type    Material no.   
Ex 12 DS - 5m 1044681
Type    Material no.   
Ex 12 DS - 10m on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Rod lever DD

Type   Material no.  
Type    Material no.   
Ex 12 DD - 2m 1189125
Type    Material no.   
Ex 12 DD - 5m 1189126
Type    Material no.   
Ex 12 DD - 10m on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Long spring rod TL

Type   Material no.  
Type    Material no.   
Ex 12 TL - 2m 1044693
Type    Material no.   
Ex 12 TL - 5m 1180847
Type    Material no.   
Ex 12 TL - 10m on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Spring rod with steel tip TF

Type   Material no.  
Type    Material no.   
Ex 12 TF - 2m 1044733
Type    Material no.   
Ex 12 TF - 5m 1044736
Type    Material no.   
Ex 12 TF - 10m on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Spring rod with plastic tip TK

Type   Material no.  
Type    Material no.   
Ex 12 TK - 2m 1189128
Type    Material no.   
Ex 12 TK - 5m 1044757
Type    Material no.   
Ex 12 TK - 10m 1044762
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.