.~ With predetermined current or voltage value-responsive actuator
DEFINITION
Classification: 335/155
(under subclass 2) Subject matter wherein the structure includes means whereby the contact opening or closing operation takes place only at a predetermined voltage or upon the passage of an operating current, of a predetermined value or range of values between predetermined limits, through the control coil or coils of the device.
SEE OR SEARCH THIS CLASS, SUBCLASS:
18+, for automatic circuit interrupters responsive to
predetermined current direction condition or value.
20, for automatic circuit interrupters which are voltage responsive.
SEE OR SEARCH CLASS
200, Electricity: Circuit Makers and Breakers, 56, for switches combined with indicating instruments.
307, Electrical Transmission or Interconnection Systems,
125+, for miscellaneous switching systems which may be responsive to various electrical conditions.
337, Electricity: Electrothermally or Thermally Actuated Switches,
14+, for thermal current responsive switches.
361, Electricity: Electrical Systems and Devices,
1+, for automatic safety and protection systems, and subclasses 170+ for relay and electromagnetic switching circuits responsive to various conditions, including voltage or current.
