Accessories
4.3 Connection system
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
217
The connection technology for 3VA molded case circuit breakers can be used without
modifications in the following applications:
● On all fixed-mounted versions of molded case circuit breaker
● On all molded case circuit breakers equipped with plug-in technology
● On all molded case circuit breakers equipped with draw-out technology
The connection components described above are identical for fixed-mounted breakers, for
plug-in and for draw-out versions. If additional insulation measures are necessary, there may
be differences between fixed-mounted and draw-out versions.
Connection technology available from or installed at the factory
All 3VA molded case circuit breakers are available as standard with a nut keeper kit (clip-in
nut and clamping screw) at the infeed and load ends.
For units up to size 160 A, a box terminal for direct cable connection can be optionally
selected instead of the nut keeper kit. The box terminal is preassembled and installed at the
factory.
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