Ex GFS 3

  • Ex zone 1 and 21
  • 3-pedal type
  • Metal enclosure
  • With protective shield
  • Max. 2 contacts per pedal
  • Low pedal height
  • With pre-wired cable, cable length 3 m
  • Available on request with special finish in RAL colour tones
  • Special version only for dust Ex zone 22 available
  • N.B.: Please state required international approvals with your order!

Technical data

StandardsEN 60947-5-1; EN 60079-0,
EN 60079-1, EN 60079-31;
EN ISO 13849-1
Enclosurealuminium die-cast, powder-coated
Pedalglass-fibre reinforced, shock-proof thermoplastic (PA 66), self-extinguishing UL 94-V0
Protective shieldaluminium die-cast, powder-coated
Connectionpre-wired cable H05VV-F
Cable cross-section3 or 4 x 0.75 mm² (incl. conductor ferrules)
Cable length3 m
Contact materialsilver
Degree of protectionIP 65 to IEC/EN 60529
Switching systemEx GFS: slow action, positive break NC contacts
Ex GFSM: snap action
Switching elementsEx GFS: 1 NC/1 NO contact, type Zb
Ex GFSM: change-over contact with single break C or 1 NC/1 NO contact, type Za
Switch insertEx GFS: Ex 14
Ex GFSM: type C: ExM 14, type Za: ExM 14 1Ö/1S
B10d (10 % load)Ex GFS 3: 2 million
TMEx GFS 3: max. 20 years
Utilisation categoryAC-15; DC-13
Ie/UeEx GFS 3:
6 A/250 VAC; 0.25 A/230 VDC
Ex GFSM 3:
5 A/250 VAC; 0.16 A/230 VDC
Ex GFSM 3 1ÖS/1ÖS/1ÖS:
5 A/250 VAC; 0.2 A/230 VDC
Max. fuse ratingEx GFS 3: 6 A gG/gN fuse
Ex GFSM 3: 5 A gG/gN fuse
Ambient temperatureT6: –20 °C … +60 °C,
T5: -20 °C … +75 °C
Mechanical life> 1 million operations
Impact energymax. 7 J
Ex marking II 2G Ex d IIC T6/T5 Gb,
II 2D Ex tb IIIC
T80 °C/T95 °C Db IP65
IECEx Ex d IIC T6/T5 Gb,
Ex tb IIIC T80 °C/T95 °C Db IP65
ApprovalsEx GFS 3:
PTB 11 ATEX 1002 X
IECEx PTB 11.0090X


Ex GFSM 3:
PTB 11 ATEX 1002 X


Ex GFSM 3 1ÖS/1ÖS/1ÖS:
PTB 11 ATEX 1002 X
IECEx PTB 11.0090X

Ordering details

Slow action

1 NC/1 NO contact per pedal

Type   Material no.  
Type    Material no.   
Ex GFS 3 1ÖS/1ÖS/1ÖS - 3m 1048957
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.

Snap action

1 change-over contact per pedal

Type   Material no.  
Type    Material no.   
Ex GFSM 3 - 3m 1209486
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.

Snap action

1 NC/1 NO contact per pedal

Type   Material no.  
Type    Material no.   
Ex GFSM 3 1ÖS/1ÖS/1ÖS - 3m 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.