3 Technical conditions

3.1 Environmental reference conditions

Environment temperature: 20±2℃

Relative humidity: 45%～75%

Atmospheric pressure: 86～106Kpa

3.2 Normal use conditions

Ambient temperature: -10℃～+50℃

Relative humidity of environment: not more than 90%

Atmospheric pressure: 80～110Kpa

Limit temperature during storage and transportation: -25℃～+70℃

3.3 Rated parameters

Rated voltage of DC power supply: 220V, 110V;

Allowable voltage fluctuation range: 0.8 to 1.15 times the rated voltage.

3.4 Maximum power consumption:

DC circuit: no more than 6W in the case of rated voltage 220VDC.

3.5 Maximum capacity of contacts:

Cut-off load capacity: DC 250V or less, τ=5ms, inductive load 50W, resistive load 150W;

AC below 250V, load 1200VA;

Allow long-term connection current: 5A.

3.6 Insulation resistance: The insulation resistance between the exposed non-charged metal parts connected together with the conductive terminals of the measuring device with an open circuit voltage of 500V megohmmeter should not be less than 10MΩ.

3.7 Insulation withstand voltage: each terminal can withstand a power frequency voltage of 2000V to the chassis shell, and the same group of contacts can withstand a power frequency voltage of 1000V, and there is no breakdown in one minute.

3.8 Anti-interference performance: Comply with the national GB6162-85 "Electrical interference test of static relays and protection devices" standard.

3.9 Electrical life: In the DC250V circuit, cut off the current τ=5ms, 50W, more than 104 times.

3.10 Mechanical life: The contact is 3 million times in no-load state.

4 Device working principle and layout

4.1 The schematic diagram of the voltage parallel device is as follows:

4.2 Device backplane terminal diagram (a terminal diagram of an independent parallel circuit)

4.3 Device panel layout drawing

5 Device shape and hole size structure diagram

Using a standard 4U chassis, two parallel plug-ins form a unit chassis.

6 Ordering instructions

Please specify the device model, specification, quantity, DC power supply rated voltage and other requirements when ordering.