Product Name: ESN Type 8531 Cable Monitoring Device
Brand: ESN
Product Code: Type 8531
Tags: ESN
Type 8531 Monitoring Device
ESN Cable Monitoring Device
Type Device
8531 Cable Monitoring Device
8531 Cable Monitoring
Type 8531 Cable Device
ESN Type Cable
ESN Type 8531 Monitoring
Type 8531 Cable Monitoring
Cable Monitoring Device
Type Monitoring
ESN 8531 Monitoring Device
Monitoring
ESN Type 8531 Cable Monitoring Device
ESN Type 8531
ESN Cable Monitoring
ESN Type 8531 Cable
Type Cable Monitoring Device
Type Monitoring Device
Cable Monitoring Device
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The cable monitoring device type 8531 is suitable for insulation monitoring of cable systems used for traction current supply of direct current railways and trolley busses with nominal voltages of up to 750 V. Technical Data Dimensions W/H/D, s. fig., 150 / 200 / 75 mm Housing Protection system IP 50 Material Macrolon Ambient temp. -20°C to +50°C Traction voltage DC 600 V / 750 V +20% / -30% Power consumption approx. 8 W Shield voltage (nominal value at 750 V) approx. 40 V at DC 750V (corre- sponds to 68 k of test resistance and 1.12 M of series resistance) Switching points insulation limit value adjustable Insulation ”shield-earth” 50 - 300 k? Insulation ”conductor- 350 – 1,500 k? shield” Outputs 1 relay for voltage fault (quiescent current operation) 1 relay, fault ”shield-earth” 1 relay, fault ”conductor-shield” Contacts 2 changeover contacts each (potenti- al-free) Voltage Current AC 250 V 4.0 A DC 60 V 0.5 A ON delay approx. 2.5 s Switch-in delay fault to earth: approx. 20 s internal fault: approx. 2 s Versions Without display shield interruption ? 8531 00 With display shield interruption ? 8531 10 (as display short ”conductor-shield”) With display shield interruption ? 8531 20 (as display short ”shield-earth”) Accesoirs Terminating resistor see brochure sheet type 853196; Testing unit for adjusting and testing purposes see brochure sheet type 853299 Ordering Information Type Order No. 8531 00 510100 8531 10 510101 8531 20 510102