Invention Grant
- Patent Title: GFCI test monitor circuit
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Application No.: US16674333Application Date: 2019-11-05
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Publication No.: US11552464B2Publication Date: 2023-01-10
- Inventor: Stephen Paul Simonin
- Applicant: Hubbell Incorporated
- Applicant Address: US CT Shelton
- Assignee: Hubbell Incorporated
- Current Assignee: Hubbell Incorporated
- Current Assignee Address: US CT Shelton
- Agency: Michael Best & Friedrich LLP
- Main IPC: H02H1/00
- IPC: H02H1/00 ; H02H3/33 ; H02H3/02

Abstract:
A circuit interrupting device including a fault detection circuit and an auto-monitoring circuit. The fault detection circuit is configured to output a pre-trigger signal, wherein the pre-trigger signal is configured to not place the circuit interrupting device in a tripped condition. The auto-monitoring circuit is configured to monitor an auto-monitoring input signal, wherein the value of the auto-monitoring signal is at least partially determined by a value of a pre-trigger signal generated.
Information query