Ex Wireless position switch Ex RF 96 SW868


  • Ex zone 1 and 21
  • sWave® wireless technology
  • Power supply by ex-proof Lithium battery (exchange inside Ex areas possible)
  • Thermoplastic enclosure
  • Mounting details to EN 50047
  • No wiring and pipe laying required
  • Easy programming of receiver
  • Output signal can be individually configurated at the receiver

Technical data

StandardsEN 60947-5-1; EN 61000-6-2;
EN 301 489-1; EN 301 489-3;
EN 300 220-1, EN 300 220-2;
EN 60079-0, -11
Enclosureglass-fibre reinforced, shock-proof thermoplastic (PA 66), self-extinguishing UL 94-V0
Tightening torqueM4 mounting screw enclosure: max 1.2 Nm,
M2.5 cover screws: approx. 0.45 Nm
Switching systemmicro switch
Degree of protectionIP 20 to IEC/EN 60079-11,
IP 67 to IEC/EN 60529
Ambient temperature–20 °C … +60 °C
Operation cyclesapprox. 12000 telegrams at repetitions/h
Voltage supplyEx approved and certified batteries, manufacturer Friwo, type: M52 Ex SVKP/036, II 2G Ex ib IIC T4, II 2D Ex ib IIIC T135°C, ZELM 13 ATEX 0512X, IECEx ZLM 13.0003X, 3 V Lithium Mangandioxid (replaceable), permiss. ambient temperature: -40 °C … +72 °C
Capacity5,6 Ah with integrated protective circuit
Frequency868.3 MHz
Transmission power< 25 mW
Data rate66 kbps
Channel bandwidth266 kHz
Wireless rangemax. 450 m outside,
max. 40 m inside
Actuating timemin. 80 ms
Mechanical life> 1 million operations
Battery lifedepending on the switching frequency 1 s approx. 1000 days, 10 s approx. 3500 days, 100 s approx. 3500 days
NoteTransmission of battery voltage and switching condition
Ex marking II 2G Ex ib IIC T4 Gb,
II 2D Ex ib IIIC T135 °C Db
IECEx Ex ib IIC T4 Gb,
Ex ib IIIC T135 °C Db
ApprovalsZELM 13 ATEX 0515 X
IECEx ZLM 13.0006X
Ordering details

Plunger with collar W

Type   Material no.
Ex RF 96 W SW868 1391412

Long roller plunger RL

Type   Material no.
Ex RF 96 RL SW868 1391416

Roller lever with collar WH

Type   Material no.
Ex RF 96 WH SW868 1391420

Rocking lever D

Type   Material no.
Ex RF 96 D SW868 1391424

Adjustable rocking lever DS

Type   Material no.
Ex RF 96 DS SW868 1391428

Spring-rod lever DF

Type   Material no.
Ex RF 96 DF SW868 on request Produced to order.

Spring rod with plastic tip TK

Type   Material no.
Ex RF 96 TK SW868 10s status signal Niro 1433978