Ex foot switch
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
Attention: Please state required international approvals with your order!
Technical data
General technical data
Applied standards
EN 60947-5-1, EN IEC 60079-0, EN 60079-1, EN 60079-31, EN ISO 13849-1
Enclosure
aluminium die-cast, powder-coated
Pedal
thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
Protective shield
aluminium die-cast, powder-coated
Degree of protection
IP65 (IEC/EN 60529)
B10d (10 % load)
Ex GFS 3: 2 million
TM
Ex GFS 3: max. 20 years
Connection
pre-wired cable H05VV-F
Cable cross-section
3 or 4 x 0.75 mm² (incl. conductor ferrules)
Cable length
3 m
Contact material
silver
Switching system
Ex GFS: slow action, positive break NC contacts A
Ex GFSM: snap action
Switching elements
Ex 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 insert
Ex GFS: Ex 14
Ex GFSM: type C: ExM 14, type Za: ExM 14 1Ö/1S
Utilisation category
AC-15; DC-13
Rated operating current/voltage Ie/Ue
Ex 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
Short-circuit protection
Ex GFS 3: 6 A gG/gN fuse
Ex GFSM 3: 5 A gG/gN fuse
Ambient temperature
Ex GFS:
T6: –20 °C … +60 °C,
T5: –20 °C … +75 °C
Ex GFSM:
T6: –20 °C … +60 °C
Mechanical life
> 1 million operations
Impact energy
max. 7 J
Ex marking
L II 2G Ex d IIC T6/T5 Gb,
L 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
Approvals
PTB 11 ATEX 1002 X
IECEx PTB 11.0090X *
f *
a *
* depending on the variant
Downloads
Variants / Options
The following variants / options are available on request:
- Special finish in RAL colour tones
