The present invention is an industrial switching device which prevents a false indication of an open electrical circuit when contacts within the switching device are welded shut. Under normal operation, an actuator is selectively moved between a first position and a second position to reciprocally move a plunger to open and close the contacts. The actuator includes an indicator of whether the switching device is in the “ON” or “OFF” state. When the contacts are welded shut, a plunger engagement section interlocks with an actuator engagement section to prevent the actuator from moving from the “ON” position to the “OFF” position. A crossbar on the plunger engagement section embeds in the actuator engagement section to prevent the actuator from sliding over the plunger. A side member on the plunger engagement section prevents the actuator from sliding around the plunger.

A control module for an electric switch comprising: a body part, a main control shaft, an operating shaft and a drive system operationally connecting the main control shaft to the operating shaft such that the operating shaft is adapted to be rotated by the main control shaft. Rotation axes of the main control shaft and operating shaft are perpendicular to each other. The body part comprises a first side wall, a second side wall, a top wall and a bottom wall. The bottom wall is provided with a bottom recess adapted to receive a portion of an add-on, a bottom part of the main control shaft being accessible through the bottom recess.

A coupler between an activator mounted on an enclosure and an electronic protection device located within the enclosure facilitates alignment between the coupler and the electronic protection device during installation and requires no tool for installation. The coupler is positioned over an opening in the electronic protection device and oriented such that a first coupling portion is configured to engage a complementary coupling portion on the electronic protection device. The coupler may be manually mounted, engaging the complementary coupling portions on the door handle coupler and the electronic protection device without requiring a tool for installation. The coupler includes an upper sleeve configured to receive an axle, connected to the activator, that rotates independently of a lower sleeve which is mounted to the electronic protection device, facilitating orientation of the activator on the outside of the enclosure. The coupler provides for local lock-out of the electronic protection device.

A switch, a power conversion apparatus, and a power supply system. The power supply system includes a control unit, a switch, a direct current source, and a power conversion unit. The switch is electrically connected between the direct current source and the power conversion unit, and the control unit is configured to send a switch-off signal to the switch when a fault occurs on the direct current source or the power conversion unit. The switch includes a contact component, a trip-free structure, and a knob that are sequentially disposed in a stacked manner in a first direction. A trip unit of the trip-free structure is configured to receive the switch-off signal, to unlock the trip unit from the cradle. The cradle drives the connecting rod structure to move, to separate the moving contact from the fixed contact.

The present invention refers to a detachable knob that can be easily and quickly detached and attached repeatedly from a switchgear. The detachable knob includes: a knob housing configured to be manually rotated about a rotation axis “X”, and anchoring means placed inside the knob housing. A plunger is arranged inside the housing and is axially displaceable along the rotation axis “X”, wherein the plunger is configured to bring the anchoring means from their engaged position to their disengaged position and vice versa. The plunger is axially displaceable relative to the anchoring means between two stable axial positions at axis “X”, namely: a pushed-down position in which the plunger remains stable and force the anchoring means to their engaged or to their disengaged position, and a release position in which the plunger remains stable and in which the anchoring means are in the other position.

An energy storage status monitoring structure and a rotary switch are provided and relate to the field of electrical technologies. The energy storage status monitoring structure includes an operation mechanism, an energy storage assembly, and a release assembly. The operation mechanism includes an upper cover, a rotating shaft rotatably connected to the upper cover, and an energy storage tray connected to the rotating shaft. The energy storage assembly is connected to the energy storage tray. A sensing portion is disposed on the energy storage tray. A sensing component is disposed on the release assembly. When the energy storage tray rotates to enable the energy storage assembly to store energy, the sensing portion corresponds to the sensing component, so that the sensing component outputs a corresponding sensing signal.

A remote switch-off mechanism and a rotary switch relates to the field of electrical technologies. A housing, an energy storage component, and a tripping component are provided. The energy storage component includes a latch, an energy storage spring, a rotating shaft, and an energy storage panel connected to the rotating shaft, an abutting portion is disposed on the energy storage panel, a first end of the energy storage spring is clamped to the housing, and a second end of the energy storage spring abuts against the abutting portion. The latch includes a hinged portion hinged to the housing, a limiting portion for limiting the second end of the energy storage spring, and a tripping portion that cooperates with the tripping component, and an elastic member is disposed between the latch and the housing, so that the tripping portion has a trend of moving toward the tripping component.

The application discloses a rotary switch, and relates to the field of electrical technologies. The rotary switch includes an operating mechanism, an on-off apparatus, and a tripping component, and the operating mechanism includes an energy storage component and a drive component. The drive component is separately in driving connection with the energy storage component and the on-off apparatus. The energy storage component includes a latch and an energy storage spring that cooperates with the latch. The energy storage spring can be separately connected to the latch and the drive component in a snap-fit manner, the drive component is rotated, so that the energy storage component can store energy, and the drive component is used to drive the on-off apparatus to be switched on. The latch cooperates with the tripping component, so that the latch locks or unlocks the energy storage spring.

The application discloses a rotary switch, and relates to the field of electrical technologies. The rotary switch includes an operating mechanism, an on-off apparatus, and a tripping component, and the operating mechanism includes an energy storage component and a drive component. The drive component is separately in driving connection with the energy storage component and the on-off apparatus. The energy storage component includes a latch and an energy storage spring that cooperates with the latch. The energy storage spring can be separately connected to the latch and the drive component in a snap-fit manner, the drive component is rotated, so that the energy storage component can store energy, and the drive component is used to drive the on-off apparatus to be switched on. The latch cooperates with the tripping component, so that the latch locks or unlocks the energy storage spring.

A circuit breaker system includes an internal operating handle disposed inside an enclosure and coupled to a shaft extending from a circuit breaker. The internal operating handle includes a dog clutch coupled to the shaft and a rotary handle coupled to the dog clutch. The rotary handle is operative to rotate the shaft when the dog clutch is engaged. A safety operating handle system for turning a shaft to operate a circuit breaker includes a rotary handle and a dog clutch having a first clutch member coupled to the rotary handle and having a second clutch member coupled to the shaft. The dog clutch is operative to transmit a rotation of the rotary handle to the shaft when the first clutch member is in an engagement position.