Invention Grant
- Patent Title: Hazardous location compliant circuit protection devices, systems and methods with safety lockout/tagout components
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Application No.: US16723442Application Date: 2019-12-20
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Publication No.: US11456142B2Publication Date: 2022-09-27
- Inventor: Joseph Michael Manahan , Adam Ledgerwood , Andrew Butler , Graig DeCarr
- Applicant: EATON INTELLIGENT POWER LIMITED
- Applicant Address: IE Dublin
- Assignee: EATON INTELLIGENT POWER LIMITED
- Current Assignee: EATON INTELLIGENT POWER LIMITED
- Current Assignee Address: IE Dublin
- Agency: Baker Botts L.L.P.
- Main IPC: H01H9/16
- IPC: H01H9/16 ; H01H85/34

Abstract:
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.
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