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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 international approvals with your order!
Technical data
| 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 |
| Protective shield | aluminium die-cast, powder-coated |
| 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 |
| 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 |
| B10d (10 % Load) | Ex GFS 3: 2 million |
| TM | Ex GFS 3: max. 20 years |
| Utilisation category | AC-15; DC-13 |
| Ie/Ue | Ex GFS 3: 6 A/250 VAC; Ex GFSM 3: 5 A/250 VAC; Ex GFSM 3 1ÖS/1ÖS/1ÖS: 5 A/250 VAC; |
| Max. fuse rating | Ex GFS 3: Ex GFSM 3: |
| 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 IIICT80 °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 |
| Ordering details |
 |
Slow action
1 NC/1 NO contact per pedal
| Type | Material no. | |
| Ex GFS 3 1ÖS/1ÖS/1ÖS - 3m | 1048957 |
Snap action
1 change-over contact per pedal
| Type | Material no. | |
| Ex GFSM 3 - 3m | 1209486 |
Snap action
1 NC/1 NO contact per pedal
| Type | Material no. | |
| Ex GFSM 3 1ÖS/1ÖS/1ÖS - 3m | on request Produced to order. |