On-off time protector of high-voltage breaker

The utility model relates to a protector of the closing and opening time (metal short-circuit time) of a high voltage breaker, which comprises a gate opening circuit and a gate closing circuit, wherein a contact (43LR*) of an insitu remote console switch (43LR) and a contact (11-52*) of a closing and opening console switch (11-52) are arranged between the gate opening circuit and the gate closing circuit. The utility model is characterized in that both ends of a connecting point of a normally closed contact (52b< * >) of an auxiliary switch and a gate closing coil (52C) in the gate closing circuit is connected with a relay coil (ZJ) which is serially connected and an instant switching contact (52 ab< * >) of the auxiliary switch in parallel. The gate opening circuit is formed by the serial connection of a normally closed contact (ZJ< * >) of an intermediate relay, a normally open contact (52a< * >) of the auxiliary switch and a gate opening coil (52T). The utility model can ensure that under the condition that the breaker is not provided with a delay relay, the metal short-circuit time can meet the requirements of the metal short-circuit time of the breaker when the breaker runs.