Ex RC Si 56
Features/Options
- Ex zone 1 and 21
- Thermoplastic enclosure
- Long life
- Reed contacts, coded
- Actuation from front
- Switching distance up to 6 mm
- With pre-wired cable
- Special version only for dust Ex zone 22 available
- N.B.: Please state required approvals for Russia, China and North America with your order!
Note
The actuator is not included with the switches.
Product image

Technical data
| Standards | EN ISO 13849-1; IEC/EN 60947-5-3 / PDF-M*; EN 954-1; EN 1088; EN 60079-0; EN 60079-18; EN 61241-0; EN 61241-1 |
|---|---|
| Enclosure | glass-fibre reinforced thermoplastic, self-extinguishing, A3XZG5 |
| Actuator | Ex MC 56 or Ex MC 56-3 |
| Degree of protection | IP 67 according to IEC/EN 60529 |
| Switching system | Reed contacts |
| Contact types | 1 NC/1 NO contact or 2 NC contacts |
| Connection | Pre-wired cable 4 x AWG 24 UL |
| Cable length | 2, 5 or 10 m |
| B10d (10% Load) | 1 million |
| TM | max. 20 years |
| MTTFd | >100 years |
| Ie/Ue | max. 125 mA, with LED: 20 mA / |
| switching voltage | max. 30 VDC |
| Voltage drop at Ie | 2.5 V, with LED: 3 V |
| Switching frequency | max. 5 Hz |
| Ambient temperature | T6: -20 °C ... +70 °C; T5: -20 °C ... +85 °C |
| Mechanical life | > 10 million operations |
| Repeatability | < 0.5 mm |
| Operating distances: | |
| smax | 6 mm |
| sao | 4 mm |
| sar | 23 mm |
| Ex marking | II 2G Ex mb II T6/T5, II 2D Ex tD A21 IP67 T80°C/T95°C IECEx Ex mb II T6/T5, Ex tD A21 IP67 T80°C/T95°C |
| Aprovals | PTB 08 ATEX 2027 X IECEx PTB 08.0042 X ![]() |





II 2G Ex mb II T6/T5,
















