Key inserted and then turned to effect operation of the switch

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings > Key inserted and then turned to effect operation of the switch

CPC:

Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings (combined with plug-and-socket connectors H01R13/70; with current-carrying plug H01R31/08) > Key inserted and then turned to effect operation of the switch

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

Child Classifications

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H01H 2027/066 2nd only CPC only CPC only
H01H 27/063 CPC only CPC only
H01H 27/08 wherein the key cannot be removed until the switch is returned to its original position IPC+CPC Available in IPC and CPC