The cable monitoring device is suitable for monitoring cable systems for supplying the traction current to direct current railways and O-buses with rated voltages of up to 750 V (other voltages on request).
Material | Housing: ABS / terminals: polycar- |
bonate | |
Fastening | 2 screws M4 or M5, or standard |
support rail DIN EN 50022 | |
Ambient temp. | 20°C to +60°C |
Auxiliary voltage | DC 24 – 60 V (via internal switching- |
mode power supply) | |
Power consumption | approx. 5 W (incl. display) |
Fuses | 0.5 A medium-slow acting (external) |
Traction voltage | Positive potential at contact line |
Un DC 500-900 V | ? 8532 -- |
Negative potential at contact line | |
? 8533 -- | |
Power consumption | approx. 1 W |
Fuse | approx. 35 mA medium-slow acting |
(external) | |
Shield voltage | approx. 40 V (at DC 750 V) |
Switching points | adjustable insulation defects |
Conductor-shield | 350 – 1500 k (I) |
Shield-earth | 10 – 400 k (E) |
Switching on delay | auxiliary voltage approx. 10 s traction voltage approx. 2 s |
Response delay | „I“ internal fault approx. 2 s, „E“ earth fault approx. 15 s |
Test buttons | separate for „I“ internal fault and „E“ earth fault |
Outputs | 1 potential-free closing contact each |
operation = idle current operation | |
earth fault = working current | |
mode | |
2 separate potential-free closing | |
contacts | |
internal fault = working current | |
mode | |
Switching | AC 11 as per VDE 660 T2 |
Voltage | max. DC 120 V / AC 250 V |
Current | max. 5 A at AC 230 V |
Power | max. 120 W / 1250 VA |
Version | without shield interruption monito- ring ? 853- 00 |
with shield interruption monitoring | |
(as “I“ internal fault) 853- 10 | |
with shield interruption monitoring | |
(as “E“ earth fault) 853- 20 | |
Displays (integrated) | by means of LEDs „operation“ 0 yellow, „I and E fault“ = red |
Cable Monitoring Device
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