This series of voltage switching devices can be used for voltage switching of two bus sections.

2 model definition

3 Technical conditions

3.1 Environmental baseline conditions

Ambient temperature: 20±2℃

Relative humidity: 45% ~ 75%

Atmospheric pressure: 86 ~ 106kPa

3.2 Normal operating conditions

Ambient temperature: -10℃ ~ +50℃

Ambient relative humidity: not more than 90%

Atmospheric pressure: 80 ~ 110kPa

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

3.3 Rated parameters

DC power supply rated voltage: 220V, 110V; Allowable voltage fluctuation range: 0.8 ~ 1.15 times rated voltage.

3.4 Maximum power consumption:

DC circuit: no more than 6W when the rated voltage is 220VDC.

3.5 Maximum capacity of contact:

Cutting load capacity: DC below 250V, τ=5ms, inductive load 50W, resistive load 150W;

AC below 250V, load 1200VA;

Permissible long-term connection current: 5A.

3.6 insulation resistance: the open circuit voltage 500 v megohmmeter measurement device the conductive terminals connected to the leakage of electric insulation resistance between metal parts shall be not less than 10 m Ω.

3.7 Insulation and voltage withstand: each lead terminal can withstand power frequency voltage of 2000V to the case shell, and the same group of contacts can withstand power frequency voltage of 1000V.

There was no breakdown for one minute.

3.8 Anti-interference performance: in line with the national GB6162-85 "static relay and protection of electrical interference test" standard.

3.9 Electrical life: at DC250V loop, when the cut-off current τ=5ms, 50W, more than 104 times.

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

4. Working principle and layout of the device

4.1 The schematic diagram of RYQ-12, 14 and 16 voltage switching device is as follows:

4.2 The schematic diagram of ryq-22, 24 and 26 voltage switching device is as follows:

4.3 The schematic diagram of ryq-32, 34 and 36 voltage switching device is as follows:

4.3 The schematic diagram of ryq-32, 34 and 36 voltage switching device is as follows:

4.5 device panel layout

Device shape and hole size structure drawing

The standard 4U case is adopted, and the two switching plugins are converted into a unit case.

5.1 Appearance diagram of the device is as follows:

5.2 the hole size of the device is as follows:

5.3 the appearance size and opening size of the device are as follows:

6. Ordering instructions

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