characteristics: When the voltage drops to 70% and 35% of the rated voltage range, undervoltage trip device shall act; Undervoltage trip device in the power supply voltage is less than 35% of the rated voltage of the trip device, the undervoltage trip device should be able to prevent the starter from closing; when the power supply voltage is equal to or greater than 85% of
the rated voltage of the trip device, the undervoltage trip device should guarantee closure of the starter.
5.1.3 The
characteristics of the shunt trip NS2-SH110, SH220, SH380: a. Rated insulation voltage Ui (V): 690. b. Operating characteristics: the operating voltage range of the shunt trip device is rated working voltage of 70% ~ 110%.
characteristics of the shunt trip NS2-SH110, SH220, SH380: a. Rated insulation voltage Ui (V): 690. b. Operating characteristics: the operating voltage range of the shunt trip device is rated working voltage of 70% ~ 110%.
5.1.4 Characteristics of the instantaneous auxiliary contact NS2- AE20, AE11 (front hanging) a. rated insulation voltage Ui (V): 250; b. agreed thermal current Ith (A): 2.5; c. type , rated voltage and rated operating current of instantaneous auxiliary contacts.