The utility model relates to a handcart circuit breaker contact timing and counting device belongs to power -supplying overhaul equipment technical field. Technical scheme is: contain handcart circuit breaker (1), timing and counting device (2) and test wire (3), handcart circuit breaker (1) contains six cylindrical contacts, and upper and lower two are a set of, is A looks contact, B looks contact, C looks contact respectively, and timing and counting device (2) interconnect through two test wire (3) and arbitrary a set of cylindrical contact, and timing and counting device (2) contain the electric second meter sum counter. The beneficial effects of the utility model are that: can be accurate to millisecond class with the make -time's of circuit breaker contact measurement, be convenient for compare with protection device's operate time, electric signal recognition is passed through in the switch -on and the disconnection of circuit breaker contact, and the result is accurate, time error is little, the electric second meter is intelligent strong, and advanced technology is reliable, and the use sets up convenient directly perceivedly, the number of times of simultaneous display circuit breaker divide -shut brake is convenient for observe and the record.