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    • B20 series back-up alarm
    • B20 series back-up alarm
    • B20 series back-up alarm
    • B20 series back-up alarm
    • B20 series back-up alarm
    • B20 series back-up alarm
    • B20 series back-up alarm
  • B20 series back-up alarm
  • For 10 to 48 volts use
    Max 107dB output
    Wire/bolt/connector optional
    Beep sound/white noise models available
    Voltage polarity protection
    RoHS, CE, IP68
  • E-mail: sales@yue-da.com
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B20 series back-up alarm is one of most popular and cost effective lines. A glass-filled nylon housing with expxy-encapsulated electronics provide exceptional durability and protection against moisture, dust and vibration. Intelligent models measure the ambient noise level and adjust their output level. create a volume that is safe without being annoying or contributing to noise pollution. Vocal or white noise versions are optional. 


reinforced nylon housing eliminates corrosion damage 

wire/connector/bolt mounting optional, easy to install 

Voltage polarity protection 

RoHS compliant, CE certified 

Size:103.5*71*40.5mm

Weight: 310g


Models of B20 series back-up alarm:


P/N

VOLTAGE (VDC)

OUTPUT (+/-4dBA @4FT)

REMARK

YS-B21

10-48

97

 white noise available

YS-B22

10-48

102

 white noise (10-24V)available

YS-B23

10-48

bespoke message

 

YS-B24

10-48

107

 

YS-B26

10-48

87

 white noise available






Mechanical drawing (mm):




Wires/connectors optional:




Sound sample(s):


B20 beep sound.mp3                B20 white sound.mp3

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  • No. 11, South Zhengping Street, Lijia Town, Changzhou,213173, China
  • sales@yue-da.com
  • David Wong
  • 86-519-86256832

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