Ex GFS 3

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)

B_10d (10 % load)

Ex GFS 3: 2 million

T_M

Ex GFS 3: max. 20 years

Connection

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 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

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

Approvals

PTB 11 ATEX 1002 X
IECEx PTB 11.0090X *
f *
a *
* depending on the variant