One Pair 500mA Hazardous Area Signal Line Protectors

Signal | Process Control Hazardous Areas | Input / Output / Comms
Product Line : IS-SL2

One Pair 500mA Hazardous Area Signal Line Protectors

For twisted pair signalling high exposure Ex ia

Novaris IS-SL2 Plug-in Signal Line Protectors provide surge protection for most twisted pair signalling schemes. They are ideal for the protection of PLCs, fire and security systems, telecommunications, telemetry systems, railway signalling, SCADA and other industrial monitoring and control equipment.

  • IEC Ex ia certified
  • 20 kA surge rating
  • Visual health indicator
  • Replaceable cartridge
  • Earth isolation versions (-EC90)
  • Multistage protection
  • Failsafe design
  • Remote alarm contacts

Application Notes Download

SpecificationsIS-SL2-7v5IS-SL2-18IS-SL2-36IS-SL2-68IS-SL2-485
Maximum continuous voltage (DC)U꜀7V16V34V65V8V
Maximum continuous voltage (AC)U꜀5V11V24V46V6V
Maximum discharge current (8/20μs)Iₘₐₓ10 kA per line (20 kA common mode)
Maximum impulse current (10/350μs)Iᵢₘₚ2.5 kA per line (5 kA common mode)
Impulse durabilityC2 8/20μs 10 kA – D1 10/350μs 5kA
Maximum load current

IL

500mA500mA500mA500mA500mA
L-L Voltage protection level @ 1 kV/μsUₚ15V30V40V80V15V
L-PE Voltage protection level @ 1 kV/μsUₚ350V350V350V350V350V
Line resistance3.9 Ω3.9 Ω3.9 Ω3.9 Ω3.9 Ω
Earth Isolation Versions-EC90
Dimensions📐W 12mm X H 110mm X D 71mm
Weight📦70g
Product DatasheetPDFIS-SL2-7v5IS-SL2-18IS-SL2-36IS-SL2-68IS-SL2-485
Application Note