open coil armature 开圈电枢 ; 开路线圈电枢
open coil armature winding 开圈电枢绕组 ; 开圈式电枢绕组
open coil annealing 松卷退火
open coil annealing furnace 松卷退火炉
open coil spring 开的螺旋簧 ; 开大螺旋弹簧
open-coil winding 开线圈绕组
open coil winding 开圈绕组
winding open coil 开线圈绕组
open-coil armature-winding 开路线圈电枢绕组
When the relay operates, one or more contacts will operate and energize a trip coil in a Circuit Breaker and trip (open) the Circuit Breaker.
当继电器动作时，一个或多个接触器动作且给断路器的脱扣线圈通电，从而将断路器断开。
Features: certain width coil paper automatic insertion to armature open slot, automatic graduation, automatic cutting off, PLC and touching screen operation.
特点：采用卷纸定宽度对电枢开口槽进行自动打入，自动分度，自动切断，PLC程控，触摸屏操作。
Means need 25a contactor, main contact are three normally open, auxiliary contact is one normally open, control coil voltage is DC 110v, order volume is 20 sets.
表示为25a接触器的主触头为三对常开，辅助触头为一对常开，控制线圈的电压为直流110v，订货数量为20台。
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