ESN Type 8532/8533 Cable Monitoring Device
ESN
Product Code: Type 8532/8533
Brand: ESN
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Description for ESN Type 8532/8533 Cable Monitoring Device
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“ = redRecommended Products For ESN