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 1 - 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 | C1 / C3 |
Nominal voltage DCUN | 24 V= |
Max. continous operating voltage (DC/AC)Uc | 33/23 V |
Nominal currentIL | 2,0 A |
C1 nominal discharge current (8/20 μs) totalIn | 0,6 kA |
C1 nominal discharge current (8/20 μs) per lineIn | 0,3 kA |
Protection level line-line at In C1Up | ≤ 48 V |
Protection level line-line at 1 kV/μs C3Up | ≤ 45 V |
Series resistance per line | 0 Ω |
Max. operating frequency (-3 dB)fG | typ. 6,0 MHz |
Additional Information
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) |