Ex 12

Features/Options

  • 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
  • N.B.: Please state required approvals for Russia and China with your order!

Technical data

StandardsEN 60079-0, EN 60079-1,
EN 60079-31; EN 60947-5-1
Enclosurealuminium die-cast, hard-coated
Degree of protectionIP 65 to IEC/EN 60529
Contact materialsilver
Switching systemsnap action
Switching elementschange-over contact with single break Form C
Connectioncable H05VV-F, 4 x 0.75 mm²
Uimp4 kV
Ui250 V
Ithe5 A
Utilisation categoryAC-15; DC-13
Ie/Ue5 A/250 VAC; 0.16 A/230 VDC
Max. fuse rating5 A gG/gN fuse
Ambient temperature–20 °C … +60 °C
Mechanical life> 1 million operations
Operation cycles1800/h
Repeat accuracy of switching points± 0.1 mm
Impact energymax. 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
ApprovalsPTB 03 ATEX 1067 X
IECEx PTB 11.0089X

Stock types

Ordering details
Type code

Plunger

Type   Material no.
Ex 12 - 2m 1044190
Ex 12 - 5m 1044196
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.

Plunger with collar W

Type   Material no.
Ex 12 W - 2m 1044247
Ex 12 W - 5m stock type Standard versions, in stock or available at short notice 1044243
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.
Ex 12 F - 2m 1044798
Ex 12 F - 5m 1044786
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.
Ex 12 KU - 2m 1189033
Ex 12 KU - 5m 1044286
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.
Ex 12 WKU - 2m 1189071
Ex 12 WKU - 5m 1177194
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.
Ex 12 FKU - 2m 1189073
Ex 12 FKU - 5m 1189078
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.

Roller plunger R

Type   Material no.
Ex 12 R - 2m 1044379
Ex 12 R - 5m 1044370
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.
Ex 12 WR - 2m 1044436
Ex 12 WR - 5m stock type Standard versions, in stock or available at short notice 1044435
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.
Ex 12 FR - 2m 1189083
Ex 12 FR - 5m 1044842
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.

Roller lever with collar WH

Type   Material no.
Ex 12 WH - 2m 1044510
Ex 12 WH - 5m 1044507
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.
Ex 12 WHL - 2m 1044565
Ex 12 WHL - 5m 1044559
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.
Ex 12 WHK - 2m 1051633
Ex 12 WHK - 5m 1189087
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.

Parallel roller lever with collar WPH

Type   Material no.
Ex 12 WPH - 2m 1189089
Ex 12 WPH - 5m 1177755
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.
Ex 12 D - 2m 1044639
Ex 12 D - 5m stock type Standard versions, in stock or available at short notice 1044640
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.
Ex 12 DL - 2m 1189096
Ex 12 DL - 5m 1189100
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.

Adjustable rocking lever DS

Type   Material no.
Ex 12 DS - 2m 1189106
Ex 12 DS - 5m 1044681
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.

Rod lever DD

Type   Material no.
Ex 12 DD - 2m 1189125
Ex 12 DD - 5m 1189126
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.

Long spring rod TL

Type   Material no.
Ex 12 TL - 2m 1044693
Ex 12 TL - 5m 1180847
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.

Spring rod with steel tip TF

Type   Material no.
Ex 12 TF - 2m 1044733
Ex 12 TF - 5m 1044736
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.

Spring rod with plastic tip TK

Type   Material no.
Ex 12 TK - 2m 1189128
Ex 12 TK - 5m 1044757
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.
Options

Cable entry on side S

Mounting thread M16 x 1.5

Mounting thread on side
M16 x 1.5