Ex GFS 3

Features/Options

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 approvals for Russia, Brazil and North America with your order!

Standards	EN 60947-5-1; EN 60079-0, EN 60079-1, EN 60079-31; EN ISO 13849-1
Enclosure	aluminium die-cast, powder-coated
Pedal	glass-fibre reinforced, shock-proof thermoplastic (PA 66), self-extinguishing UL 94-V0
Protective shield	aluminium die-cast, powder-coated
Connection	cable H05VV-F, 3 or 4 x 0.75 mm² (incl. conductor ferrules)
Cable length	3 m
Contact material	silver
Degree of protection	IP 65 to IEC/EN 60529
Switching system	Ex GFS: slow action, positive break NC contacts 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
B_10d (10 % Load)	Ex GFS 3: 2 million
T_M	Ex GFS 3: max. 20 years
Utilisation category	AC-15; DC-13
I_e/U_e	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
Max. fuse rating	Ex GFS 3: 6 A gG/gN fuse Ex GFSM 3: 5 A gG/gN fuse
Ambient temperature	T6: –20 °C … +60 °C, T5: -20 °C … +75 °C
Mechanical life	> 1 million operations
Impact energy	max. 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
Approvals	Ex 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