User Manual 49User Manual 48
Position indicator/EF
Phase barriers
Indicate position of the breaker - connected, testing, disconnected
For withdrawable type devices only
3 CO contacts, one contact for each breaker position
Connected to secondary terminals #58, 59, 60 (Connected), #61, 62, 63 (Test), #64, 65,
66 (Disconnected)
Factory installed only - in the scope of delivery there are additional secondary terminals
#58-66
Improve insulation level between main terminals
Delivered as set (2pcs for 3P version, 3 pcs for 4P version)
Accessories Accessories
External current transformer for Neutral
Energy-limiting maintenance switch
Lockable switch cover for ELM10 switch
External current transformer for neutral conductor.
An external transformer for N-pole protection of three-pole circuit breakers in four-
wire network, installed on the neutral conductor, the current transformer enable
measurement and protection of the neutral conductor.
● External neutral protection for three pole breaker only.
ELM10 is used to mitigate arc hazards and protect personal safety during product
maintenance. It should be used in coordination with Power Circuit Breakers with ARMs
protection function.
LSC10 is lockable switch cover for ELM10 switch with a 7mm locking hole, it is an
optional unit, please comment if is required when purchasing.
Ambient temp（℃） -20℃～ +70℃
Atmospheric conditions of humidity and heat
Relative humidity can be up to 90% at +20℃
and should not exceed 50% at +40℃
Pollution class Class 3
Istallation category Ⅱ
Rated voltage Ue(V) AC480V/DC24
Rated frequency (Hz) 50/60
Enclosure protection class IP40
Electrical/mechanical endurance(times) 1500
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