ESN Type 8538 Monitoring Device

The potential monitoring device Type 8538 operates as a remote reporting device and monitors the electrical isolation of insulated rail joints, overvoltage protectors and similar devices depending on the voltage.

Technical Data

Dimensions

W/H/D 100/70/115 mm

Housing

ABS / Polycarbonate

Mounting

2 bores according to template, Top

 

hat rail according to DIN EN 50022

Protective device

Casing: IP 40; Terminals IP: 10

Ambient temp.

-20° C to + 60° C

Connections

2 x 2.5 mm2 solid according to

 

DIN 46288 or 2 x 1.5 mm2 with

 

sleeve

Supply terminal

18 (PE); terminal 19 (N); terminal

 

20 (L)

Supply voltage

AC 230 V +10/-15 % (48 - 62 Hz);

 

approx. 3 VA

 

DC 19.2 V - 80 V; terminal 19 (L-);

 

terminal 20 (L+); approx. 1.5 W

Measurement input

Terminal 12 (BE), terminal 14 (WE)

Input resistance

Approx. 1 M?.

Input voltage

Max. 900 V continuous

Relay output

Terminal 1, 2, 3 (1 u, potential-.free)

Response time

Dependent on position of selector

 

switch Position 0 60 sec., Positions 1

 

to 9 = displayed number x 12 h

Contact ass.

AC 250 V / 4 A cos? > 0.7

 

DC 120 V / 1 A resistive load

Displays

By means of LED’s; see reverse

 

1 yellow LED for relay closed

 

(normal operating)

 

1 yellow LED for teaching in phase

 

1 red LED for faults

 

1 red LED for warning

Times

Teaching in phase < 30 sec.

Test voltage

4 kVe?.

Accessories

Protective casing (IP 65) for external

 

fitting

Ordering Information

Type

Order No.

85380 (AC Version)

220100

85381 (DC-Version)

220101