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A-87
Insulation monitoring module
This module detects and indicates an insulation drop on a load circuit (TN-S or TT
systems).
Operation is identical to that of a Vigi module, but without circuit-breaker tripping.
Indication by a red LED in front.
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When insulation drops below a minimum, user-set threshold, the LED goes on and
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pressing the manual reset button.
Installation
The module is installed directly on the downstream circuit-breaker terminals.
b
Degree of protection IP40, IK04.
b
Double insulation of the front face.
b
Electrical characteristics
Settings: 100 - 200 - 500 - 1000 mA
b
Accuracy: -50 +0 %
b
Time delay following insulation drop: 5 to 10 seconds
b
AC-system voltage: 200 to 440 V AC.
b
PB103602-32
Insulation monitoring module.
559E1880.indd
version: 1.0