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The holding solenoid make the plunger stay at the end position after power is off with the magnetic force of permanent magnet. There are two types of holding solenoids: one-way and two-way self-holding, once power-on, the plunger moves to side of iron core, otherwise, it moves to another side, it is used in electronic locks and charging guns.
 

Our solenoids are widely used in the industrial automation, life automation, office automation and other applications.

Industrial automation includes embroidery machine, textile machine, burners, robots, etc. Life automation includes subway screen doors, ATM machines, automatic ticket checking machines, vending machines, cash boxes, various credit card machines, toasters, medicine dispensers, oxygen machines, breast pumps, sealing machines, fishing boats, dishwasher, bicycle rental system, electric pressure cooker, salad machine, massager, game machine, car lock, electronic lock for charging gun, etc.

Office automation includes lettering machine, printer, copier, coded lock, various automation door locks, safe, charging cabinet, mechanical arm, leakage protection switch, etc.

Keep solenoids for EV car charging


The Doul holding solenoids introduce: