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ntermediate relay DZK-900

ntermediate relay DZK-900


DZK-900 series of fast intermediate relay

1 scope of application

DZK-900 series of fast intermediate relay (hereinafter referred to as the relay) just in power system

The two circuit relay protection and automatic control circuit, switching circuit and increased as

The protection and control circuit of the number of contacts and contact capacity and a trip circuit for export.


2 models

3 main technical data

The rated working voltage: DC:220V, 110V, 48V, 24V.

The rated working current: DC:0.25A, 0.5A, lA, 1.5A, 2A, 4A, 8A.

- keep the rated current: DC:0.5A, 0.5A, lA, 2A, 4A, 8A.

- keep the rated voltage: DC:220V, 110V, 48V, 24V.

] action value: the ambient temperature is 20 I 2 DEG C under the condition, the actuating voltage of voltage type for 50% - 70% of the rated power ratio; action current of electric type 8 not more than 80% of the rated current.

The return value: Gang Tun environmental temperature of 20+1 DEG C under the condition, the return value is not less than 5% of rated value.

- maintain value: in the conditions of ambient temperature for 20:2 under 0C

A. has kept winding current products, the self holding current f:80% rated current value is not maintained;

B. has to maintain the voltage winding products, the voltage is not greater than 70% of rated voltage valuekeeping.

] action time: at ambient temperature for 20 I 2-C < 1: Ding for winding applying amount of incentives for ratings, D2K-900/8 five time is less than 8ms, DZK-900/4 action time is not J:4ms (four pairs of contacts to bu increased 0.5 ms). DZK-900/4 a

Product action time (four to 1:5ms had little contact above 0.5ms).

The return time: around the interference temperature is 20 + 2C, DZK-900 / 8 return time of not more than 5ms /DZK-900

The return time is not more than 2ms.

- power consumption: less than 10W (including external resistance).

] contact content clear: no more than 250V voltage, the electric current does not exceed 5a, the time constant for 5+0.75ms DC a sensor circuit load, / T

Product output contact breaking capacity for 50W. The output contacts in the above specified load conditions, P /1; products can rely on action and return 5 x 10

Time. The output current is 5A connected to allow long-term contact.

] dielectric strength: products of each conductive terminal even in,, of the exposed non electrical metal parts or between the shell, bear 2000V (effective Yang

50Hz AC voltage test lasted 1 minutes without insulation breakdown or flashover phenomenon.

The voltage coil series resistance of the control table

4 inside connection


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