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 m
  • Actuator can be repositioned in factory by 4 x 90°
  • N.B.: Please state required approvals for Russia, China, Brazil and North America with your order!

Technical data

StandardsEN 60947-5-1; EN 60079-0,
EN 60079-1, EN 60079-31;
EN ISO 13849-1; EN ISO 14119
Enclosurealuminium die-cast, powder-coated
Coversteel, powder-coated
Switch typetype 1
Coding levelno coding
Switch insertExM 14, Ex 14
Degree of protectionIP 65 to IEC/EN 60529
Contact materialsilver
Switching systemslow or snap action, positive break
NC contacts
Switching elementsExM 61: change-over contact with single break, Form C,
Ex 61: 1 NC/1 NO contact, type Zb
Connectioncable H05VV-F, 3/4 x 0.75 mm²
Cable length3 m
B10d (10 % Load)2 million
TMmax. 20 years
Uimp4 kV
Ui250 V
ItheEx 61: T6: 6 A; T5: 3 A
ExM 61: 5 A
Ie/UeEx 61:
6 A/250 VAC, 0.25 A/230 VDC;
ExM 61:
5 A/250 VAC, 0.16 A/230 VDC
Utilisation categoryAC-15; DC-13
Max. fuse rating6 A gG/gN fuse
Ambient temperatureEx 61:
T6: –20 °C … +65 °C,
T5: –20 °C … +75 °C, +90 °C with max. 3 A
ExM 61:
–20 °C … +60 °C
Mechanical life> 1 million operations
Operation cycles1800/h
Repeat accuracy of switching points± 0.1 mm
Contact openingmax. 2 x 4.5 mm
Impact energymax. 7 J
Ex markingEx 61:
II 2G Ex db IIC T6/T5 Gb,
II 2D Ex tb IIIC
T80 °C/T95 °C Db

ExM 61:
II 2G Ex d IIC T6 Gb,
II 2D Ex tb IIIC T80 °C Db IP65
ApprovalsEx 61:
PTB 03 ATEX 1070 X*
IECEx PTB 06.0098X*


ExM 61:
PTB 03 ATEX 1069 X*


*referring to the switch insert
Ordering details
Type code

Plunger with collar W


* with safety function

Type   Material no.
ExM 61 W - 3m 1174118
Ex 61 W 1Ö/1S - 3m  * 1160276

Roller lever with collar WH


* with safety function

Type   Material no.
ExM 61 WH - 3m 1047986
Ex 61 WH 1Ö/1S - 3m  * 1047808

Long roller lever with collar WHL


* with safety function

Type   Material no.
ExM 61 WHL - 3m 1175509
Ex 61 WHL 1Ö/1S - 3m  * 1160277

Offset roller lever with collar WHK

Type   Material no.
ExM 61 WHK - 3m 1174745
Ex 61 WHK 1Ö/1S - 3m 1179157

Rocking lever D

Type   Material no.
ExM 61 D - 3m 1053626
Ex 61 D 1Ö/1S - 3m 1172825

Long rocking lever DL

Type   Material no.
ExM 61 DL - 3m 1054144
Ex 61 DL 1Ö/1S - 3m 1053442

Adjustable rocking lever DS

Type   Material no.
ExM 61 DS - 3m 1167414
Ex 61 DS 1Ö/1S - 3m 1175016

Long spring rod TL

Type   Material no.
ExM 61 TL - 3m 1167449
Ex 61 TL 1Ö/1S - 3m 1189069

Spring rod with steel tip TF

Type   Material no.
ExM 61 TF - 3m 1047990
Ex 61 TF 1Ö/1S - 3m 1183085

Long spring rod with steel tip TFL

Type   Material no.
ExM 61 TFL - 3m 1047992
Ex 61 TFL 1Ö/1S - 3m 1181343

Spring rod with plastic tip TK

Type   Material no.
ExM 61 TK - 3m 1174054
Ex 61 TK 1Ö/1S - 3m 1180172