CH225043A
(en )
1942-12-31
Thermal switching relay for switching tariff devices in particular.
CH215762A
(en )
1941-07-15
Switching device with power interruption and subsequent voltage separation for the protection of three- or multi-phase line systems.
CH225651A
(en )
1943-02-15
Arc protection device on high voltage insulators.
CH214970A
(en )
1941-05-31
Puncturing device for switching and control elements.
CH215003A
(en )
1941-05-31
Current-limiting protection and switching device, in particular for voltage converters.
CH240890A
(en )
1946-01-31
Load switching device.
CH226555A
(en )
1943-04-15
Device for detecting sudden changes in state, in particular short circuits, in electrical circuits.
CH225252A
(en )
1943-01-15
Switching arrangement for alternating current interruption devices.
CH230792A
(en )
1944-01-31
Short-circuit current limiter.
CH229713A
(en )
1943-11-15
High voltage switch.
CH224490A
(en )
1942-11-30
Step switch for transformers.
CH233692A
(en )
1944-08-15
Circuit arrangement in telecommunication systems, in particular telephone systems.
CH229787A
(en )
1943-11-15
Switching device with quenching and overcurrent coil.
CH236848A
(en )
1945-03-15
Resistance switch.
CH219784A
(en )
1942-02-28
Overvoltage protection device.
CH217864A
(en )
1941-11-15
Device for switching off direct current lines, in particular direct current high-voltage lines.
CH231341A
(en )
1944-03-15
Load switching device, in particular for step regimes of AC devices.
CH231144A
(en )
1944-02-29
Lighting system, in particular low voltage lighting system.
CH222051A
(en )
1942-06-30
Switching device.
CH221448A
(en )
1942-05-31
Contact device, especially for the purpose of current direction.
CH226328A
(en )
1943-03-31
Overload protection device.
CH231978A
(en )
1944-04-30
Overcurrent circuit breaker.
CH213334A
(en )
1941-01-31
High voltage switch.
CH242719A
(en )
1946-05-31
Pulse-controlled switch with overcurrent protection.
CH229716A
(en )
1943-11-15
Circuit breakers, especially for direct current.