Ex STM 295
特征/选项
- Ex zone 1 and 21
- Thermoplastic enclosure
- Double insulated

- Two Ex switch inserts in one enclosure
- Spring-to-lock or power-to-lock principle
- Holding force 1000 N
- Wiring compartment
- Special version only for gas Ex zone 2 and dust Ex zone 22 available
- N.B.: Please state required approvals for Russia, Brazil and North America with your order!
Note
- The actuator is not included in the delivery of the switches
产品图片

技术参数
| Standards | EN 60947-5-1; EN 1088; EN 60079-0, EN 60079-1, EN 60079-7, EN 60079-18; EN 61241-0, EN 61241-1; EN ISO 13849-1 |
|---|---|
| Enclosure | glass-fibre reinforced, shock-proof thermoplastic, self-extinguishing |
| Actuator | stainless steel 1.4301 |
| Switch insert | Ex 95 |
| Degree of protection | IP 64 to IEC/EN 60529 |
| Contact material | silver |
| Switching system | slow action, positive break NC contacts ![]() |
| Switching elements | 2 NC and 2 NO contacts with positive break, galvanically separated contact bridges |
| Connection | M3 screw clamps |
| Cable section | max. 1.5 mm² (incl. conductor ferrules) |
| Cable entry | 2 x M20 x 1.5 for cable diameter 5 … 9 mm |
| B10d (10 % Load) | 1 million |
| TM | max. 20 years |
| Uimp | 4 kV |
| Ui | 250 V |
| Ithe | 6 A |
| Ie/Ue | 3 A/250 VAC; 0.25 A/230 VDC |
| Utilisation category | AC-15; DC-13 |
| Max. fuse rating | 6 A gG/gN fuse |
| Ie/Ue solenoid | 0.08 A / 24 VDC +10 %/–15 % |
| Power consumption | max. 47 W (0.25s) |
| Ambient temperature | –20 °C … +55 °C |
| Mechanical life | > 500.000 operations |
| Holding force F | max. 1000 N |
| Ex marking | II 2G Ex demb IIC T4 Gb, II 2D Ex tD A21 IP64 T100 °CIECEx Ex demb IIC T4, Ex tD A21 IP64 T100 °C |
| Approvals | BVS 10 ATEX E 053 X IECEx BVS 11.0030X ![]() |






II 2G Ex demb IIC T4 Gb,











