Wireless universal transmitter

RF I/O SW868-4E-Vcc-ext LBT

Article no.: 1438134

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Product features

Wireless
  • Thermoplastic enclosure

  • sWave® wireless technology

  • Can be combined with 3-wire PNP sensors 24 VDC or external sensors or NO contacts with gold contacts

  • No wiring and cable laying required

  • External power supply via M12 socket

  • Output signal can be individually configured at the receiver

  • LBT - Listen before Talk Firmware

Technical data

Applied standards
EN 60947-5-1, EN 61000-6-3, EN 300 220-2, EN 301 489-3, EN 62479
Enclosure
ABS, UL 94 HB, RAL 9005
Antenna
internal antenna
Tightening torque
enclosure mounting screws: max. 1.5 Nm
cover screws: max. 1.5 Nm
Degree of protection
IP65 (IEC/EN 60529), only with plugged cables and/or with closed protective caps
Voltage source
24 VDC
Connection
Sensors: plug-in connector 4 x M12 x 1, 4-pole
power supply: 1 x M12 socket
Connectable devices
IS M8, IS M12, IS M18, IS M30, external switches using the connecting cable
Safety class
III
Ambient temperature
–20 °C … +65 °C
Type of installation
mount on an even surface
Mounting position
any
Mounting
screw connection
Telegram rate
max. 12000 telegrams with repetitions/h
Switching frequency
max. 5 Hz
Rated operating voltage range UB
18 … 30 VDC Pin 1 and Pin 3, socket M12
Rated insulation voltage Ui
75 VDC
Rated impulse withstand voltage Uimp
0.5 kV
Rated operating current Ie
2.5 mA
Voltage drop Ue - Uout
3.5 V with 4 x 50 mA sensor current
Load current
max. 50 mA per sensor connection (not short-circuit proof)
Switching points
> 5 VDC (E1 - E4)
Actuating time
min. 80 ms
Note
status signal – can be individually configured via radio receiver (delivery state: without status signal)
LBT – can be deactivated via radio receiver (e.g. in conjunction with repeaters)
transmission of battery voltage and switching condition
Wrong polarity protection
Go to our different wireless receivers to find corresponding how-to videos.
Wireless approvals
Europe: RED 2014/53/EU
Weight
170 g
Frequency
868.3 MHz (Europe)
Data rate
66 kbps
Channel bandwidth
350 kHz
Modulation type
2-FSK
Protocol
sWave®
Transmission power
< 25 mW
Wireless range
max. 450 m outdoors, max. 40 m indoors

Dimensional drawing

Further drawings

External switch contact
Pin assignment

Colour coding only valid for
coupling 4-poles mat. no. 1215497 and
coupling 4-poles mat. no. 1262873

Pin assignment / Power supply

Downloads

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Mounting and wiring instructions – RF I/O Vcc extern

German, English, French, Italian, Portuguese, Russian

PDF2 MB 18.05.2026
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Wireless universal transmitter

RF I/O SW868-4E-Vcc-ext LBT

Article no.: 1438134

contact us