Ex RF 96 ST

  • Ex zone 1 and 21
  • sWave® wireless technology (SW868/SW915)
  • 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

Applied standardsEN 60947-5-1; EN 61000-6-2, -6-3;
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, self-extinguishing UL 94 V-0
Tightening torqueM4 enclosure mounting screws: max 1.2 Nm
M2.5 cover screws: approx. 0.45 Nm
ConnectionPlug-in connector M12 x 1, 4-pole
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 current215 µA (incl. sensor)
Voltage supplyEx approved and certified batteries, manufacturer steute, Ex RF Bat 3,6 V/2,1 Ah, mat. no. 1381655, BVS 18 ATEX E 035 X, IECEx BVS 18.0056X
Nominal capacity2.1 Ah with integrated protective circuit
Frequency868.3 MHz (Europe) or 915 MHz (USA, Canada and Mexico)
Transmission power< 25 mW
Data rate66 kbps
Channel bandwidthSW868: 480 kHz, SW915: 550 kHz
Wireless rangemax. 450 m outside,
max. 40 m inside
Actuating timemin. 80 ms
Battery lifedepending on the switching frequency
1 s approx. 500 days,
10 s approx. 1000 days,
100 s approx. 1100 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
ApprovalsBVS 19 ATEX E 009 X
IECEx BVS 19.0040X

Ordering details

Type   Material no.  
Type    Material no.   
Ex RF 96 ST SW868 (Europe) 1275802
Type    Material no.   
Ex RF 96 ST SW868 100s (Europe) 1256826
Type    Material no.   
Ex RF 96 ST SW868 10s LBT (Europe) 1269266
Type    Material no.   
Ex RF 96 ST SW915 (USA, Canada and Mexico) 1314672
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.