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 international approvals 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.

Plunger with collar W

Type   Material no.
Ex 12 W - 2m 1044247
Ex 12 W - 5m 1044243
Ex 12 W - 10m 1044254

Plunger for front mounting F

Type   Material no.
Ex 12 F - 2m 1044798
Ex 12 F - 5m 1044786
Ex 12 F - 10m 1189582

Ball plunger KU

Type   Material no.
Ex 12 KU - 2m 1189033
Ex 12 KU - 5m 1044286
Ex 12 KU - 10m 1189348

Ball plunger with collar WKU

Type   Material no.
Ex 12 WKU - 2m 1189071
Ex 12 WKU - 5m 1177194
Ex 12 WKU - 10m 1052139

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.

Roller plunger R

Type   Material no.
Ex 12 R - 2m 1044379
Ex 12 R - 5m 1044370
Ex 12 R - 10m 1172596

Roller plunger with collar WR

Type   Material no.
Ex 12 WR - 2m 1044436
Ex 12 WR - 5m 1044435
Ex 12 WR - 10m 1044457

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.

Roller lever with collar WH

Type   Material no.
Ex 12 WH - 2m 1044510
Ex 12 WH - 5m 1044507
Ex 12 WH - 10m 1160689

Long roller lever with collar WHL

Type   Material no.
Ex 12 WHL - 2m 1044565
Ex 12 WHL - 5m 1044559
Ex 12 WHL - 10m 1175319

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.

Parallel roller lever with collar WPH

Type   Material no.
Ex 12 WPH - 2m 1189089
Ex 12 WPH - 5m 1177755
Ex 12 WPH - 10m 1190378

Rocking lever D

Type   Material no.
Ex 12 D - 2m 1044639
Ex 12 D - 5m 1044640
Ex 12 D - 10m 1182482

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.

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.

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.

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.

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.

Spring rod with plastic tip TK

Type   Material no.
Ex 12 TK - 2m 1189128
Ex 12 TK - 5m 1044757
Ex 12 TK - 10m 1044762
Options

Cable entry on side S

Mounting thread M16 x 1.5

Mounting thread on side
M16 x 1.5