ESN Type 8521 Potential Monitoring Device

Potential monitoring device as per DIN EN 50122 part 1 / VDE 0115 part 3

As protection from dangerous body currents generated from contact voltages/tapping voltages,
maximum voltages have been stipulated depending on the effect time.

Technical Data

Dimensions

W / H / D 150 / 73 / 113 mm

Housing material

Terminal board: polycarbonate

 

lower section: ABS

Fastening

2 drilled holes as per drilling tem-

 

plate Standard support rails as per

 

DIN EN 50022

Protection

Housing: IP 40; terminals: IP 10

Connections

2 x 2.5 mm2 solid to DIN 46288 or

 

2 x 1.5 mm2

Ambient temp.

- 20°C to + 60°C

Power supply

AC 19.2 ... 253 V, 50 – 60 Hz, ? 5.5

 

VA

 

DC 19.2 ... 253 V, ? 2.5 W

Measuring input

? 1500 V, continuous; resistance:

 

approx. 2 M?

Relay outputs

2 change-over contacts (u), poten-

 

tial-free

 

voltage       current     cos ?

 

AC 250       V4.0 A      > 0.7

 

DC 120 V    1.0 A        ohmic load

Displays

Network LED green

 

K1: LED yellow

 

K2: LED yellow

 

voltage level: bar graph array

Test voltage

Supply voltage - measuring voltage

 

outputs: 6 kVe?

Input voltage

DC 50 V < UM < DC 90 V

 

K1 switches after 295 ... 299 s

 

(workshop)

 

DC 100 V < UM < DC 140 V

 

K1 and K2 switch after 295 ... 299 s

 

UM > DC 140 V

 

K1 and K2 switch jointly as per

 

diagram

 

UM > DC 660 V

 

K1 and K2 switch after max. 30 ms

 

AC 25 V < UM < AC 40 V

 

K1 switches after 295 ... 299 s

 

(workshop)

 

AC 50 V < UM < AC 70 V

 

K1 and K2 switch after 295 ... 299 s

 

UM > AC 70 V

 

K1 and K2 switch jointly as per diagram

 

UM > AC 842 V

 

K1 and K2 switch after max. 30 ms

Diagram

see overleaf

Ordering Information

Type 8521

Order No. 210100