Intermediate relay DZY-212 DC110V board front wiring for oil extraction JOSEF

Description :

　　The intermediate relay DZY-212 is a widely used intermediate control component in power systems and automation control systems. Its main feature is the use of a valve type electromagnetic structure design, which has high sensitivity and reliability. The following will provide a detailed introduction to the structure, working principle, technical parameters, and application scenarios of the DZY-212 intermediate relay.

　　1、 Structure and Working Principle

　　The DZY-212 intermediate relay is mainly composed of a coil, magnetic conductor, armature, contact system, and other parts. The coil is mounted on a magnetic conductor. When the excitation applied to the coil is equal to or greater than its operating value, the armature is attracted to the magnetic conductor, and at the same time, the armature presses the contact spring, causing the contact to connect, disconnect, or switch the controlled circuit. When the coil of the relay is powered off or the excitation amount decreases to less than its return value, the armature and contact piece return to their original positions.

　　In addition, the magnetic conductor of the DZY-212 intermediate relay adopts a dual iron core structure, which allows coils to be installed on both side columns. This design enables relays with significantly different coil types to use a common magnetic conductor, improving the versatility and flexibility of the product.

　　2、 Technical parameters

　　The main technical parameters of DZY-212 intermediate relay include action value, holding value, and return value. The operating value refers to the relay operating voltage being 30% to 70% of the rated voltage, the holding value refers to the holding voltage not exceeding 70% of the rated holding voltage, the holding current not exceeding 80% of the rated holding current, and the return value not less than 5% of the rated value. These parameters ensure that the relay can operate stably and reliably in various working environments.

　　3、 Application scenarios

　　DZY-212 intermediate relay is widely used in industrial automation production lines, power system transmission and distribution links, and other occasions that require control and protection. It can be used in conjunction with other protection and control devices to achieve monitoring, protection, and automatic control functions of the circuit. Meanwhile, due to its high sensitivity and reliability, the DZY-212 intermediate relay is also suitable for situations that require high control accuracy.

　　4、 Installation and use

　　When installing and using the DZY-212 intermediate relay, it is necessary to follow the manufacturer's installation and usage instructions. The correct installation and wiring methods are crucial for ensuring the normal operation and safety of relays. In addition, regular inspection and maintenance of relays are also important measures to ensure their long-term stable operation.

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• intermediate relay