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Features       
bullet1.5 - 24VDC
bulletModerate Sound Output 
bulletScrew Mounting with
Lead Wire or PCB Pins
  

Model Oper.
Voltage
Range
(VDC)
Rated 
Voltage
(VDC)
Max. 
Current
at Rated
Voltage 
(mA)
Res.
Freq.
(KHz)
0.2
Min. SPL 
@ Rated 
Voltage
 (dBA/
30cm)
Pulse Rate 
@ Rated
 Voltage 
(Pulses/
Second)
Tone Terminal
MB-21S1 1 - 3 1.5 25 2.8 80 NA Solid Pins/Leadwires
MB-21S3 2 - 5 3.0 35 2.8 85 NA Solid Pins/Leadwires
MB-21S6 4 - 9 6.0 35 2.8 85 NA Solid Pins/Leadwires
MB-21S9 6 - 11 9.0 40 2.8 85 NA Solid Pins/Leadwires
MB-21S12A 4 - 15 12 15 2.8 85 NA Solid Pins/Leadwires
MB-21S12B 9 - 15 12 40 2.8 90 NA Solid Pins/Leadwires
MB-21S24 15 - 28 24 20 2.8 90 NA Solid Pins/Leadwires
Specifications and dimensions subject to change without notice.

Shokai Far East Ltd. 9 Elena Court  Cortlandt Manor NY 10567 914-736-3500 Fax: 914-736-3656 
E-mail: sales@shokaifareast.com   http://www.shokaifareast.com