Electrical PSR3-600-70 Soft Starter

Electrical PSR3-600-70 Soft Starter

Basic Parameters

Rated voltage: the working voltage range is 208-600V AC, which can be adapted to many different voltage levels of industrial power environment to meet the needs of different equipment starting.

Rated current: the maximum current is 3.4A, in this current and below, the soft starter can work normally, effectively control the starting current of the motor, protect the motor and related equipment.

Control power supply voltage: 100-240V AC, to provide stable power for the control circuit of the soft starter, to ensure its normal operation and the realisation of various control functions.

Power: Maximum power is 0.75HP at 240V, 2.0HP at 480V and 2.0HP at 600V.

Functional features

Soft start and soft stop function: By controlling the conduction angle of the thyristor, the input voltage of the motor starts from zero and rises gradually according to the preset function relationship to achieve smooth start, effectively reducing the starting current and the impact on the power grid and mechanical equipment; when stopping, the voltage is gradually reduced to achieve soft stop, avoiding the torque impact caused by the free stop, and protecting the mechanical equipment.

Protection function:

Overload protection: real-time monitoring of motor current, when the current exceeds the set value, the soft starter will automatically cut off the circuit to prevent the motor from being damaged due to prolonged overload.

Phase-loss protection: During operation, it can automatically detect whether the three-phase power supply is phase-loss or not, once phase-loss, it will stop the motor operation immediately to avoid the motor burnt out due to phase-loss operation.

Overheating protection: built-in temperature sensor, when the internal temperature of the soft starter is too high, it will automatically shut down and restart after the temperature is lowered to effectively protect the internal components of the soft starter.

Control function: with potentiometer setting and optional fieldbus communication function, users can conveniently set parameters and remote monitoring according to the actual demand, to achieve automation control.

Installation: DIN rail mounting, easy and fast installation, space saving, easy to install and layout in the power distribution cabinet and other equipment.

Application Fields

Industrial manufacturing: widely used in all kinds of industrial equipment motor start-up control, such as pumps, fans, compressors, conveyor belts, etc., can effectively reduce the impact of equipment start-up on the power grid, prolong the service life of the equipment, improve production efficiency.

Building facilities: in the air conditioning system, water supply and drainage system, lifts and other equipment in the building, it can achieve the smooth start and stop of the motor to ensure the normal operation of the equipment and improve the comfort and safety of the building.

Transportation: It can be used in ports, airports, underground stations and other places to start the motor equipment, such as cranes, conveyor belts, ventilation equipment, etc., to ensure the reliable operation of the equipment and smooth transport.

Energy field: in power plants, substations and other energy facilities, can be used to control the start of various types of auxiliary motors, such as cooling water pumps, blowers, etc., to ensure the stable operation of energy production and transmission equipment.

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