| 摘要 |
PROBLEM TO BE SOLVED: To miniaturize a sensor box and to improve its rigidity, while rationalizing wiring in the sensor box. SOLUTION: A main relay 15 is disposed on the side of connectors for external connection 21a and 21b, and a current sensor 16 disposed at the back of the relay is placed between cable terminals 23a and 23b which are connected to battery cables 22a and 22b respectively. A negative side relay terminal 15a of the main relay 15 is disposed on the side of a battery box 11, and the negative cable terminal 23a is disposed between the current sensor 16 and the main relay 15. Then the negative side relay terminal 15a and the negative side cable terminal 23a can be connected without detouring any barriers. As the current sensor is also interposed in the midway of the circuit connecting the current sensor to the positive side relay terminal 15b and the positive side cable terminal 23b, wiring of bus-bars 25a and 25b connecting the both terminals is rationalized.
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