A rotatable switching member includes a support bracket having a first arm, a second arm, and a middle portion, and a switch flange. The rotatable switching member further includes a switch bracket connected to the middle portion of the support bracket having an attachment portion and an engagement portion. A handle is fixed to the first arm of the support bracket to rotate the rotatable switching member.

Hazardous location compliant solid state circuit protection devices include safety lockout components ensuring disconnection as a safeguard in the completion of power system maintenance and service tasks by responsible personnel. The safety lockout components may include a mechanical lockout interfacing with a physical lock element, an electrical lockout implemented through the controls of the solid state circuit breaker device, and combinations thereof. Visual device feedback and confirmation may be provided to personnel that the lockouts have been successfully activated, as well as successfully deactivated to reconnect and restore operation of the load side circuitry.

A lockout system includes a hasp assembly and a plurality of tags. The hasp assembly has a back plate defining slots each sized and shaped to receive a tag. The back plate and tags each have openings that align when a tag is received in a slot. A first hasp portion has a first loop portion and a second hasp portion has a second loop portion. The first and second hasp portions are rotatable with respect to one another such that moving the lockout system has both an unlocked position and a locked position associated with an open position and a closed position. In the closed position, the first and second hasp portions complete and define a closed loop, where one or more tags can be installed in slots preventing further movement from the closed position.

Lockout/tagout devices are configured to receive multi-user, electronically generated locking and unlocking commands over wireless interfaces to realize lockout safety chains of a desired length to assure worker safety in an industrial system. Electronically implemented systems and methods are also disclosed providing for enhanced worker safety, increased security, and improved lockout/tagout oversight involving a reduced number of locking devices and with fewer complications compared to conventional lockout/tagout devices, systems and processes.

A rotatable switching member includes a support bracket having a first arm, a second arm, and a middle portion, and a switch flange. The rotatable switching member further includes a switch bracket connected to the middle portion of the support bracket having an attachment portion and an engagement portion. A handle is fixed to the first arm of the support bracket to rotate the rotatable switching member.

A lockout system includes a hasp assembly and a plurality of tags. The hasp assembly has a back plate defining slots each sized and shaped to receive a tag. The back plate and tags each have openings that align when a tag is received in a slot. A first hasp portion on the back plate defines part of a closed loop. A longitudinal locking bar is slidable along the back plate and has notches shaped to receive ends of the tags. Moving the locking bar between an unlocked position and a locked position operates the second hasp portion between an open position and a closed position. In the closed position, the first and second hasp portions complete and define the closed loop, where one or more tags can be installed in slots with the first end of the tag engaging a notch to lock closed the hasp portion.

This disclosure provides systems and methods for lockout-tagout procedures and systems supporting the same, including, without limitation, locking devices that can store and be locked simultaneously by multiple keyholders. In various embodiments, a single user can add multiple keyholders to a locking device. The user may not be able to remove anyone as a keyholder except himself or herself. Thus, the locking device may remain in a locked state until each of the added keyholders applies their digital key, password, PIN, and/or other personal identifying information to unlock the locking device by removing themselves as a keyholder.

A switch box mechanism of an enclosed switch assembly. The switch box mechanism includes a swivel catch having an elongated body, a pivot configured to allow the swivel catch to rotate relative to an enclosure, and a catch end including a catch configured to engage with an enclosure lid, and a slide feature formed in the elongated body, a rod configured to couple to a switch engagement member that is configured to engage with a rotor of a line base assembly, the rod having a slide portion slidably engaged with the slide feature, and a spring configured to bias the swivel catch. Enclosed switch assemblies and switch subassemblies including the switch box mechanism, and methods of operating enclosed switch assemblies are disclosed, as are other aspects.

A method for consigning a function of an electrical device includes: a) receiving a request to consign a function implemented by a sub-assembly of the electrical device, the request being transmitted by a client terminal connected to the control unit via a short-range communication link; b) generating a digital key including a unique identifier; c) storing one copy of the generated key in a memory of the control unit and sending another copy of the generated key to the client terminal that transmitted the request; d) consigning the function so as to prevent this function of the device from being used by the control unit as long as the consignation is active.

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.