US3412391A
(en )
1968-11-19
Pressure-fluid-operated devices and means for indicating the condition thereof
US4307358A
(en )
1981-12-22
Electromagnetic contactor is fitted with an electromagnet sensitive to over-currents, to cause the limitation and cut-off of excess currents
WO2001096883A3
(en )
2002-06-27
Microcontactor probe and electric probe unit
US4039985A
(en )
1977-08-02
Magnetic reed switch
CN113936951A
(zh )
2022-01-14
一种新型柱上断路器
CA2073252A1
(en )
1991-07-12
Recloser apparatus
GB1088544A
(https= )
US3289126A
(en )
1966-11-29
Mercury switch employing magnetizable fluid
US6133812A
(en )
2000-10-17
Switching relay with magnetically resettable actuator mechanism
US3376527A
(en )
1968-04-02
Magnetic slug switch
CN101615524B
(zh )
2012-05-30
真空断路器单相永磁机构
CN214254245U
(zh )
2021-09-21
一种智能型永磁真空接触器
CA1076170A
(en )
1980-04-22
Cylindrical, linear, stopless mercury switch and relay
RU125768U1
(ru )
2013-03-10
Магнитоуправляемое коммутационное устройство
US3444493A
(en )
1969-05-13
Magnetically operated reed switch assembly
GB1438980A
(en )
1976-06-09
Electrical connecting and disconnecting device
DE4412555A1
(de )
1995-10-12
Tastelement für die Steuerung von Elektromotoren, insbesondere für Krane und andere Fördermittel
US3256400A
(en )
1966-06-14
Magnetic switch
SU886094A1
(ru )
1981-11-30
Переключатель
US3728507A
(en )
1973-04-17
Pressure-gas actuated electrical circuit breaker
FI77746B
(fi )
1988-12-30
Elektromagnetiskt manoevrerad elkopplare.
US3363205A
(en )
1968-01-09
Mercury switch
CN117524780B
(zh )
2024-03-15
一种自感磁力辅助的快分机构及高压开关
CN215988574U
(zh )
2022-03-08
一种新型柱上断路器
SU1050001A1
(ru )
1983-10-23
Выключатель