Title:
CIRCUIT BREAKER
Document Type and Number:
Japanese Patent JP2022112177
Kind Code:
A
Abstract:
To provide a circuit breaker with a temperature sensor unit arrangement configuration that enables effective measurement of a temperature at a circuit breaker main contact provided on the circuit breaker.SOLUTION: A circuit breaker has a temperature sensor unit 200 for measuring a temperature at a circuit breaker main contact arranged therein. The temperature sensor unit 200 includes: a thermistor 221 that measures the temperature at the circuit breaker main contact; a cable 220 connected with the thermistor 221; and a case 210 that accommodates the thermistor 221 and the cable 220. The case 210 has a housing space 230 for fixing, when accommodating the temperature sensor unit 200 in a groove 110, the thermistor 221 to the groove bottom side where the circuit breaker main contact is located.SELECTED DRAWING: Figure 8
Inventors:
YOSHIDA TAKANORI
Application Number:
JP2021007876A
Publication Date:
August 02, 2022
Filing Date:
January 21, 2021
Export Citation:
Assignee:
TERASAKI ELECTRIC CO LTD
International Classes:
H01H73/00; G01K1/14; G01K7/22; H02B3/00
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office
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