Title:
CIRCUIT BREAKER
Document Type and Number:
Japanese Patent JP2019160678
Kind Code:
A
Abstract:
To provide a circuit breaker with improved operational reliability during an on/off operations, which checks whether an on/off operation is being performed with a circuit breaker by counting the state signals generated during the on/off operation of the circuit breaker.SOLUTION: An MCCB 1 is provided with a counter 2. A counter 2 counts on/off signals generated when the MCCB 1 is turned on and off, and displays the counting result. From this counting result, it is possible to find the MCCB 1 that is uneasy for execution of the operation, and it is possible to perform maintenance and inspection on the MCCB 1.SELECTED DRAWING: Figure 1
Inventors:
HAYASHI YUKI
KASHIWAGI KATSUMI
KATSUKI MASAFUMI
NODA TATSUO
URANO TAKUYA
YUKI TORU
NAGAI TAKESHI
KASHIWAGI KATSUMI
KATSUKI MASAFUMI
NODA TATSUO
URANO TAKUYA
YUKI TORU
NAGAI TAKESHI
Application Number:
JP2018047920A
Publication Date:
September 19, 2019
Filing Date:
March 15, 2018
Export Citation:
Assignee:
TOSHIBA CORP
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP
International Classes:
H01H73/00; H01H83/02
Attorney, Agent or Firm:
Kiuchi Mitsuharu