Ex RF 96 ST SW915


  • 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
  • Plug-in connector M12
  • No wiring and pipe laying required
  • Easy programming of receiver
  • Output signal can be individually configurated at the receiver
  • The Ex RF 96 ST may be used in combination with an Ex wireless inductive sensor Ex RF IS
  • Connection of external switching contact (potentialfree contact) possible: / ExM 14

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
ConnectionPlug-in connector M12 x 1, 4-pole
Suitable sensorscorresponding sensors type: Ex RF IS M** nb-ST Xm or approved intrinsic safe sensors.
Peak values: Uo = 3,7 V; Io = 0,177 A; Po = 0,108 W (linear characteristics) with max. permissible outer capacity Co = 757 μF, max. permissible inductivity Lo = 0.89 mH
Degree of protectionIP 20 to IEC/EN 60079-11,
IP 67 to IEC/EN 60529
Ambient temperature–20 °C … +60 °C
Switching frequencymax. 5 Hz
Standby current incl. sensor215 µA
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
Frequency915 MHz (USA, Canada and Australia)
Transmission power< 10 mW
Data rate66 kbps
Channel bandwidth400 kHz
Wireless rangemax. 450 m outside,
max. 40 m inside
Actuating timemin. 80 ms
Battery lifeaccording to switch frequency,
100 s approx. 1100 days,
10 s approx. 1000 days,
1 s approx. 500 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
Type   Material no.
Ex RF 96 ST SW915 1391410