Accessories
4.3 Connection system
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
247
Phase barriers provide insulation between the individual phases of the molded case circuit
breaker. They are simply snapped into place on the 3VA molded case circuit breaker.
Phase barriers can be used in combination with the insulating plate and the insulating plate
offset. in order to provide additional insulation from the mounting plate.
Phase barriers are compatible with:
● Box terminal
● Wire connector
● Front bus connectors extended (included in scope of supply)
● Front bus connectors offset (included in scope of supply)
● Bus connectors edgewise (included in scope of supply)
● Nut keeper kit, right-angled (included in scope of supply)
● Other insulation accessories: Insulating plate or insulating plate, offset
Depending on the intended purpose of the phase barriers, they must be snapped into
position in the direction indicated by the arrows below:
Front connection
Rear connection for right-angled nut keeper kit
In combination with insulating plate
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