ESN Type 8591 Voltage Indicator Relay for 1500 V DC

The type 8591 voltage indicator relay was developed especially for the recording and transmission
of voltage states from DC power supply units in railway operations. (No auxiliary power supply is needed to operate it.)

Technical data

Dimensions

see figure

Housing

Makrolon

Type of protection

IP 65

Protection class

Protection class II

Attachment

Screw fastening M4, see figure, by

 

means of an installation plate: Screw

 

fastening M8 or strip-type fastening

Installation plate

 

Dimensions

see figure

Material

Stainless steel 1.4571

Ambient temperature

-20°C to +70°C

Coil

 

Nominal DC voltage

1500 V (+20%/-30%)

Auxiliary power

none

Resistance

approx. 900 k ?

Inductivity (LI)

> 50 H

Power drawn

UN = 1500 V: approx. 2.5 W

 

UN = 1800 V: approx. 3.6 W

Udraw-in

900 V ± 10 %

Udrop-out

500 V ± 20%

Contact (reed contact)

1 changeover contact (zero-po-

 

tential)

 

2 changeover contact (zero-po-

 

tential)

Switching rating

max. 80 VA/60 W

Switching voltage

max. 250 V

Switching current

max. 1 A

Electric strength

15 kVe? (coil contact)

Coil connection

fixed connected and encapsulated

 

cable skeins

Cable

NSGAFöu (3 kV) 10mm2

Length

2 m

Configurations

 

Standard configuration

without installation plate

 

with installation plate

Large configuration

without installation plate

 

with installation plate

Double configuration

without installation plate

 

with installation plate

Ordering information

Type

Part No.

Voltage indicator relay,

 

type 8591/1500

 

Standard housing

 

- without installation

230300

plate, output 1 change-

 

over contact

 

- with installation plate,