公开(公告)号：US20250044355A1

公开(公告)日：2025-02-06

申请号：US18769598

申请日：2024-07-11

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Fu XIANG ,  Yongbing ZHU ,  Bo ZHANG ,  Xiao Lin BAI ,  Xiaoqiang ZHANG

IPC: G01R31/327 ,  G01R27/20 ,  H01H1/00 ,  H01H1/20 ,  H01H3/12

Abstract: A switch is provided. The switch includes, but not limited to: normally open (NO) terminals; normally closed (NC) terminals; an actuator, configured to conduct at least one of the NO terminals and the NC terminals; an indicator for a remaining service life of the switch; and a controller component, configured to: determine the remaining service life of the switch based on a conduct resistance between at least one of the NO terminals and the NC terminals, and control the indicator to illuminate a corresponding color based on the determined remaining service life of the switch.