Accessories
3.6 Accessories for secondary disconnect terminals
3WJ Air Circuit breakers
Operating Instructions, 12/2022, L1V30828903001-01
83
Place the connection pieces ③ and ④ or ⑤ and ⑥ on the connection bar ⑫ as shown and
secure by means of a hexagon socket-head screw ⑧ or ⑨, strain washer ⑪ and hexagon nut
⑩ (tightening torque: 70 ± 7 Nm).
Make sure that connection pieces
③ and ④ or ⑤ and ⑥ (symmetrical and asymmetrical) are
mounted in the correct position. The 3
-pole version does not have the outer connections on
3.6 Accessories for secondary disconnect terminals
3.6.1 Secondary disconnect terminals for fixed-mounted Circuit breakers
The secondary disconnect terminal for fixed-mounted circuit breakers comprises:
• Base part for secondary disconnect terminal with coding kit
• Compression screw connection terminal for secondary disconnect terminals
The blank cover for secondary disconnect terminals is also available as an accessory for
unused secondary disconnect terminal blocks.
Article no.
Secondary disconnect terminals for fixed-mounted circuit breakers
Base part for secondary disconnect terminal with coding kit
Compression screw terminal for secondary disconnect terminals
Preparatory work
1. Open the Circuit Breaker and discharge the stored-energy spring.
2. Rack the Circuit Breaker into maintenance position (disconnected postion) and remove it
from the guide frame (only withdrawable Circuit Breakers).
3. Remove the operator panel and the secondary disconnect terminals.
See chapter Preparatory and concluding installation steps for the installation of internal
accessories (Page 57).
To Next Page
Loading...
