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Terminal blocks with integrated surge protection can optimize the used space in a control cabinet and at the same time provide high level protection for terminal equipment and devices.
  • Terminal Strips with Surge Protection
  • Protective circuit for 2 signal lines without reference to ground potential
  • Applicable at the boundaries LPZ 0B - 2 and higher
  • Test standard: IEC 61643-21 / EN 61643-21
  • Mounting on 35 mm DIN rail (EN 60715)
  • 6.2 mm DIN rail module
  • Earthing via DIN rail or connector
IEC category C2 / C1 / C3
Nominal voltage DCUN 48 V=
Max. continous operating voltage (DC/AC)Uc 50/36 V
Nominal currentIL 0,5 A
C2 nominal discharge current (8/20 µs) totalImax 10 kA
C2 nominal discharge current (8/20 µs) per lineIn 5 kA
Protection level line-line at In C2Up ≤ 90 V
Protection level line-earth at In C2Up ≤ 500 V
Protection level line-line at 1 kV/μs C3Up ≤ 70 V
Protection level line-Pg at 1 kV/μs C3Up ≤ 500 V
Additional Information
Series resistance per line 2,2 Ω
Max. operating frequency (-3 dB)fG typ. 10 MHz
Conductor cross section (solid/stranded/AWG) 0.2-4.0/0.2-2.5 mm² / 24-12
Operating temperature rangeTU -40 - +80 °C
Inflammability class according to UL 94 V0
Degree of protection (IEC EN 60529) IP 20
Enclosure material / colour PA6 / yellow
Installation width 6,2 mm
Mounting on 35 mm DIN rail (EN 60715)

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