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SN type

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These SPD (surge protective device) provide protection against lightning surges for communication and instrumentation lines.
●For all kinds of communication and instrumentation lines
●Can be mounted on a DIN rai
●Thin type
RoHS compliant

【Dimensions】 W12.5×D90×H54

 
 
 

Circuit performance table

 
K2 type

Application: all types of control circuits (DC, AC), relays, speakers, etc.

 
Electrical characteristics SN-K2
Maximum operating line voltage AC120V、DC170V
Maximum permissible line voltage 3A
Impulse protection level ≦800V (8/2050μs, 2.5kAapplied)
Impulse discharge current 8/20μs, 7kA(3.5kA×2)
10/350μs・0.4kA(0.2kA×2)
 
 
EN1 type
Application: ordinary telephone lines, ADSL lines, electronic exchanges, etc.
 
Electrical characteristics SN-EN1
Maximum operating line voltage DC170V
Maximum permissible line voltage 0.1A
Operating frequency bandwidth DC〜10MHz(≦1dB)
Impulse protection level ≦400V (1.2/50μs, 10kV applied)
Impulse discharge current 8/20μs、8kA(4kA×2)
10/350μs・1kA(0.5kA×2)
 
 
NM type
Application: all kinds of communication and instrumentation lines (for multi-core lines), fire alarm equipment
 
Electrical characteristics SN-NM
Maximum operating line voltage DC150V
Maximum permissible line voltage 0.1A
Operating frequency bandwidth DC〜1MHz(≦1.0dB)
Impulse protection level ≦1000V (1.2/50μs, 10kV applied)
Impulse discharge current 8/20μs .4kA(2kA×2)
10/350μs・1.6kA(0.8kA×2)
 
 
N1 type
Application: all kinds of communication and instrumentation lines (for balanced lines only)
 
Electrical characteristics SN-N1
Electrical characteristics DC150V
Maximum operating line voltage 0.1A
Maximum permissible line voltage DC〜1MHz(≦1.0dB)
Impulse protection level ≦1000V (1.2/50μs, 10kV applied)
Impulse discharge current 8/20μs .4kA(2kA×2)
10/350μs・1.6kA(0.8kA×2)
 
 
H3-H2 type
Application: RS-485 lines
 
Electrical characteristics SN-H3-H2
Maximum operating line voltage 18Vo-p
Maximum permissible line voltage 0.1A
Impulse protection level ≦27V (1.2/200μs, 5kV applied)
Impulse discharge current
8/20μs
8/20μs、8kA(4kA×2))
10/350μs・1kA(0.5kA×2)
 
 
H2-H1 type
Application: RS-422 lines
 
Electrical characteristics SN-H2-H1
Maximum operating line voltage 5Vo-p
Maximum permissible line voltage 0.1A
Impulse protection level ≦15V (1.2/200μs, 5kV applied)
Impulse discharge current
8/20μs
8/20μs、8kA(4kA×2)
10/350μs・1kA(0.5kA×2)
 
 
H3( ) type
Application: all kinds of communication and instrumentation lines, 4 to 20mA
Select the type within the brackets ( ) depending on the circuit voltage used.
 
Electrical characteristics SN-H3( )
Maximum operating line voltage a:12.5V、b:21.5V、c:29V、d:54V
Maximum permissible line voltage 0.1A
Operating frequency bandwidth DC〜400kHz(≦1dB)
Impulse protection level a:≦22.5V、b:≦38V、c:≦50V、d:≦95V
(10/200μs, 5kV applied)
Impulse discharge current
8/20μs
8/20μs、8kA(4kA×2)
10/350μs・1kA(0.5kA×2)