ESN Type 8531 Cable Monitoring Device

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ESN Type 8531 Cable Monitoring Device

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Brand:

ESN

Product Code:

Type 8531

Order Processing & Delivery Information:
As we supply industrial equipment, product availability and delivery timelines may vary. Once your order is placed, our sales team will contact you within 24 business hours (excluding weekends and holidays) to confirm stock status and estimated delivery time.

Product Documentation/Technical Datasheet

esn-type-8531-cable-monitoring-device-302833.pdf

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ESN ESN 8531 Device ESN Cable Device ESN 8531 Device ESN Monitoring Device ESN 8531 Cable ESN Device ESN 8531 Monitoring Device Cable Monitoring Device

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Details:

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