(57) In an electrical coupling comprising two coupling parts 10, 20, the one housing 11
is a stationary housing which has a casing pointing in insertion direction 52 with
a casing extension 36 which permits an angular coupling movement 30 of the mobile
insertion housing 21, equipped with a collar 26, of the other coupling part 20. For
this purpose leaf springs 18' with snap projections 19' are integrated in the casing
16, which serve to fix the stationary housing 11 in the opening 43 of a wall 40. The
fixing depth is defined by axial stops 38 on the stationary housing 11. On coupling
30, a radial alignment movement 31 of the insertion housing 21 with respect to the
stationary housing 11 initially takes place, until the collar 26 strikes the casing
extension 36. An axial insertion movement 32 only takes place after this. The collar
26 travels into an axially open gap 17 which separates the casing 16 from a field
12 with chambers 13 for contact parts 14 arranged in the stationary coupling part
10. The casing extension 36 penetrates into an axially open channel 27 adjacent to
the collar 26 of the insertion housing 21.
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