Two position relay st2-2l/ac220v

brand ： Shanghai Joseph

name : Terminal block static two position relay

model :ST2-3A1B

Rated voltage :110,220VDC/AC 48VAC

Power consumption :≤5W

Contact capacity :5A/250V

Action time :≤30mS

Series models ：

DSP2-4A Reset relay ;DSP2-2A2B Reset relay ;

DSP2-3A1B Reset relay ;TST440GT Double bus switching relay ;

TST220GT Double bus switching relay ;TST3300GT Double bus switching relay ;

TST400A-GT Two position relay ;TST440AB-GT Two position relay ;

UEG3-L2 Double bus switching relay ;UEG2-L2 Double bus switching relay ;

ST4L2 Two position relay ;ST4L2A Two position relay ;

ST2-2L Two position relay ;ST2-2A2B Two position relay ;

ST2-3A1B Two position relay ;ST2-4A Two position relay ;

One 、 purpose

ST2 The two position relay is used in various protection and automatic control devices for AC and DC operation , As a switching locking element .

Two 、 Installation structure

Two position relay guide rail installation 9, Guide rail installation E The shell has two structures , The specific size shall be subject to the real object .

3、 ... and 、 Main technical parameters

1． Rated voltage ：AC220V AC110V DC220V DC110V etc. , The details shall be subject to the physical label .

2． Auxiliary power supply ： This model can be disconnected from the auxiliary power supply .

3． Action value ： The closing coil shall not be greater than 70% Rated voltage . The tripping coil shall not be less than 70% Rated voltage .

4． Contact capacity ： It can be connected for a long time 5A electric current , When the voltage is not greater than 250VDC In the DC circuit of , Can be disconnected τ=5ms 50W DC inductive negative

load ; When the voltage is not greater than 250VAC In the AC circuit of , Can be disconnected COSФ=0.4 250VA AC load .

5． Power waste ： No more than 5W.

6． There are movement instructions .

7． Action time ： At rated voltage , The action time shall not be greater than 30ms.

8． Insulation resistance ： Use open circuit voltage 500V Use a megger to measure the distance between each exposed live terminal and the housing , The insulation resistance shall not be less than 300MΩ.

9． Medium strength ： Each outgoing live terminal and shell can withstand power frequency 2KV（ Valid values ）50HZ, after 1 Minutes without breakdown , No flashover .

Four 、 Conditions of use

1、 ambient temperature ：—10℃ ～ 50℃;

2、 No conductive gas , No corrosive gas , No strong vibration ;

3、 Working voltage ： No more than 120% Rated voltage ;

4、 Working position ： arbitrarily ;

5、 The intensity of the surrounding magnetic field ： Less than 0.5mT;

6、 No rain or snow , Anti fog 、 dustproof 、 Windbreak facilities .

5、 ... and 、 The wiring diagram shall be subject to the physical label

notes ：1、 Wiring diagram yes “T” The state of the coil after it is energized , To flip the contact state , Please be there. “H” Apply the rated voltage to the coil .

Ordering instructions

The relay model and specification must be indicated when ordering 、 Structural form code 、 Wiring mode before or after the board 、 Quantity and other requirements .

Two position relay ST2-2L/AC220V

Static guide rail two position relay is used in various protection and automatic control devices that need large capacity bistable contacts , As a switch 、 To achieve the locking effect , With position indication . It is an updated product of the old electromagnetic two position intermediate relay in power system and automation control .

Shanghai Joseph relay business department