Siemens NXAIR - CAPDIS and VOIS Systems Overview

Verifying safe isolation from supply
110-0134.9 / 14 NXAIR / ≤ 40 kA 269
LRM-ST indication
Meaning
Indication flashes
Phase not isolated from supply
Indication lights up
Phase not isolated from supply
Indication does not light up or
does not flash
Phase isolated from supply
Indication does not light up or does not flash.
Refit the cover on the test socket.
Proceed in the same way with the test sockets for L2, and then for L3.
✓
Safe isolation from supply is verified as soon as L1, L2 and L3 have been determined to be
isolated from supply.
20.6 CAPDIS and VOIS systems overview
CAPDIS-S1+
Integrated capacitive voltage detecting system
CAPDIS-S2+
Integrated capacitive voltage monitoring system with relay output
VOIS+
Economic integrated capacitive voltage detecting system
VOIS-R+
Economic integrated capacitive voltage detecting system with relay
output