Used for the wiring of intermediate relay DZS-234 DC220V board in power plants, JOSEF Joseph

Description :

　　Front wiring base of intermediate relay DZS-254 board

　　Intermediate relay DZS-145 DC220V board front wiring

　　Intermediate relay DZS-233 220V board rear wiring

　　Time relay DZS-121 DC220V

　　Delay intermediate relay DZS-112 DC220V

　　Time relay DZS-121 AC220V

　　Intermediate relay DZS-12BG DC220V board front wiring

　　Intermediate relay DZS-12B DC220V

　　Intermediate relay DZS-213 220V board front with seat

　　Intermediate relay DZS-652 110VDC

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　　DC circuit monitoring relay DZS-12CE/S DC110V

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　　Intermediate relay DZS-226 DC110V

　　Intermediate relay DZS-249

　　Intermediate relay DZS-254G DC220V power-off delay 0-6S Contact form: Two conversion

　　Intermediate relay DZS-12E DC220V

　　Intermediate relay DZS-895 220V board rear wiring

　　Intermediate relay DZS-234 DC220V (pre board wiring)

　　Intermediate relay DZS-655G DC220V

　　Intermediate relay DZS-651 power-off delay rail installation DC220V

　　Front wiring of intermediate relay DZS-115 DC110V board

　　Delay intermediate relay DZS-822 AC220V 0.1S-10S

　　Time relay JDZS-1202A AC110V 0.02S~9.99S

　　Intermediate relay JDZS-1002A 0.02~9.99S AC220V

　　Time relay JDZS-1002B AC220V

　　Time relay JDZS-1202B

　　Intermediate relay JDZS-1022B DC/AC220V delay range 0.02S-9.9S rail installation

　　Time relay JDZS-1006B power-off delay 0.02S-9.99S AC220V

　　Time relay JDZS-1112B DC110V 20mS~9.9S

　　Time relay JDZS-1002B DC220V

　　Delay intermediate relay JDZS-1004B DC220V 35mm card rail installation

　　purpose

　　This series of intermediate relays is used in various protection and automatic control devices to increase the number and capacity of contacts in the protection and control circuits.

　　structural principle

　　1. This relay is a sealed electromagnetic relay. The coil is mounted on a "" - shaped magnetic conductor, with a movable armature on top. Two rows of contact springs are installed on both sides of the magnetic conductor to lift the armature upwards in a non active state, maintaining a certain gap between the armature and the magnetic conductor. When the electromagnetic torque between the air gaps exceeds the reactive torque, the street iron is attracted to the guide magnet, and at the same time, the armature presses the contact spring, causing the normally closed contact to open and the normally open contact to close, completing the relay operation. When the electromagnetic torque decreases to a certain value, due to the reaction torque of the contact spring, the contact and the armature return to their initial positions, preparing for the next work.

　　2. The "U" shape of this relay adopts a dual iron core structure to the magnet, which means that coils can be installed on both side columns. For DZY, DZL, and DZJ models, only one coil is installed, while for DZB, DZS, and DZK models, another iron core can be installed as needed to hold the coil or delay damping plates. Thus, relays with significantly different coil types can all use a common magnetic conductor.

　　3. According to the situation where intermediate relays in relay protection are often used together with signal relays, this relay X-type product is equipped with a linkage action signal indication and reset mechanism, and has a pair of mechanical holding contact points to connect remote signals, which can completely eliminate the linkage signal relay. This is meaningful for improving the reliability of the holding device, simplifying wiring, and reducing costs.

　　Technical data

　　The operating voltage and holding voltage shall not exceed 70% of the rated voltage, the operating voltage of DZ-200 shall not exceed 80% of the rated voltage, and the holding voltage shall not be less than 30% of the rated voltage. DZK-200 and DZB-243 shall not be less than 50% of the rated voltage.

　　The operating current and holding current shall not exceed 80% of the rated current

　　Return value: not less than 5% rated value, DZB-200 and DZS-200 not less than 3% rated value

　　Action time, return time.

• intermediate relay