Wireless receiver

RF Rx SW915B-4S 48V

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Product features

Wireless
  • sWave® wireless technology

  • 4 potential-free optocoupler outputs

  • Transmitter/receiver assignment by teaching mode

  • LEDs for indication of switching state

Notes

  • No compatibility between SW915B and SW915.

  • External antenna always required for optimum wireless range.

Technical data

Applied standards
EN 60947-5-1, EN 61000-6-2, EN 61000-6-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 60068-2-6, EN 60068-2-27, EN 301 489-3, EN 300 220-2
Enclosure
polyamide, self-extinguishing UL 94 V-0, RAL 7035
Degree of protection
IP20 (IEC/EN 60529)
Number of channels
4
Mounting
DIN rail mounting
Connection
screw connection terminals 0.14 mm² - 2,5 mm², stripping length 8 mm
Inputs
2 additional push buttons (SEL, LRN)
Outputs
4 potential-free normally open contacts (optoelectronic photo relays)
Rated operating voltage range UB
12...48 VDC (-10 % ... +25 %, abs. max. 60 V)
Rated operating current Ie
48 VDC: max. 16 mA
24 VDC: max. 21 mA
Current absorption
at 48 VDC:
typ. 1.9 mA (standby current)
typ. 8 mA (1 output switched)
typ. 8 mA (2 outputs switched)
typ. 9 mA (3 outputs switched)
typ. 10 mA (4 outputs switched)
Rated operating voltage Ue
48 VDC
Rated operating current/voltage Ie/Ue
output contacts: 0.5 A / 48 VDC (abs. max. 60 V)
Utilisation category
DC-13
Display
green LED: ready for operation,
orange LED: signalling of switching state
Degree of pollution
2
Ambient temperature
0 °C … +55 °C
Storage and shipping temperature
–25 °C … +85 °C
Note
Inductive loads (contactors, relays etc.) are to be suppressed by suitable circuitry.
Switching contacts are not suitable for capacitive loads.
Allows configuration of LBT and status signal of the transmitters

General

Frequency
914.2 MHz (USA, Canada) 
Data rate
62.5 kbps
Channel bandwidth
500 kHz
Modulation type
CSS
Protocol
sWave®
Wireless approvals
USA: FCC - VPYLBAA0QB1SJ
Canada: IC - 772C-LBAA0QB1SJ

Function

Telegram rate
max. 12000 telegrams with repetitions/h
Transmission power
< 25 mW

Dimensional drawing

Further drawings

Arrangement of receiver and switch antenna


A = Optimum mounting
B = Possible mounting
C = Unsuitable mounting

Downloads

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Mounting and wiring instructions – RF Rx-4S 48V

German, English

PDF2 MB 13.11.2025
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Wireless receiver

RF Rx SW915B-4S 48V

Article no.: on request

This product is only available on request, please contact our sales team. contact us