Model Of The Soft Starter
Rated motor power
Please refer to
Meet the standards
Three phase power supply
AC 380V(optional 220V and 660V)
Squirrel cage three-phase asynchronous motor
When the motor is fully loaded, no more than 4 times per hour, no load or light load, no more than 10 times per hour.
At an altitude of 3000 below ground gas, the vibration stresses below 0.5G
93% no condensation or drop
Natural cold wind
Relative to vertical
Vertical installation, angle range
External dimensions of90kw-400kw
Please see the below table for the external and installation dimensions of WSTR3000 series 90kw-400kwsoft starter.
Rated power (KW)
Connection Diagram For Main Circuit Of WSTR 3000 Soft Starter
Terminal configuration diagrams
Terminal diagram of the main circuit
|1) WSTR3005-3075||WSTR 3090-3400|
2)Terminal diagram of the control circuit
3)Terminal connection of the control circuit
Why Choose Us
WSTRD series Motor Starter has a Chinese & English LCD display to real-time display current, voltage and other operating status. The help information can be assessed when the soft starter is not in the soft start/ soft stop status or the setting status; press Yes(button for confirmation), then press the up/down buttons to read the prompt messages.
Four-digit voltmeter, used to test the voltage of the three phase AC power
Indicate the specification of the soft starter
Indicate that the latest fault information is zero
Indicates no occurred fault information
Indicates the occurred fault information Err0r06
indicates no fault information
Indicates the software version of the product is Ver4. 2
The total times of successful starting
Time used in last soft start(whether succeed or not)
Note: HI-H9 saves the recent 9 fault information in the recursive method
WSTR 3000 series soft starter possesses complete protection functions to protect the operation security of the soft starter and the motor. Here is Motor thermal protection tripping time curve based on IEC60947-4-2 standard is shown as follows:
MODBUS Communication Protocol
Modbus is a kind of serial asynchronous communication protocol with RS485 as the physical interface. Being designed for Modicon PLC, it has the structural features of PLC. In network control, it can read and write the PRS 3000 as if it were a PLC. It can project the start and stop control, status information (current, fault etc.) and function parameters to the holding register (4:XXX). Its read and write control shall be conducted through the PL master station. When connected to other Modbus equipment, connection should be conducted as per the diagram below:
1.Unique SCR trigger closed-loop control algorithm
Unique SCR closed-loop control, specially designed for standard and heavy loads. The user can select the current limit start and the voltage ramp start according to the load condition to achieve an absolutely smooth torque-free oscillation start effect.
2.Control accuracy, real-time efficiency
High-performance CORETX-M3 32-bit core CPU for center control, fast speed, high precision, strong anti-interference ability
Patented main circuit three-in and six-out structure, built-in current transformer scheme, convenient wiring and high reliability
4.Optional standard MODBUS-RTU protocol
Integrated advanced protection.It has protection functions such as input and output phase loss, overload, overcurrent, phase current imbalance, thyristor over temperature, etc., to protect the motor and related equipment in all directions.
90kw or less is a fully molded shell structure, processed with flame-retardant ABS material. The upper cover of 90KW and above is made of plastic shell structure, and the main frame is made of aluminum-zinc plate material. It has heat resistance and corrosion resistan
7.External lead panel
The panel can be externally led to the operating surface of the device for remote operation through the fuselage interface, which is convenient for on-site use.
A monitoring signal coding system consisting of a 4-digit digital display that monitors the operating conditions of system equipment 24 hours a day, while providing fast fault diagnosis
● Yueqing Winston Electric Co., Ltd. is located in Wenzhou - the Electric Capital of China. We specialize in developing, manufacturing and distributing low voltage & high voltage electrical products. The products we professionally deal with are switching power supplies, sensors, relays, voltage stabilizers, AC contactors, circuit breakers, distribution boxes, industrial plugs & sockets and others.
● Our company is not only an exporting company, but also a professional manufacturer in China. We have our own production base. So,we are sure that we can best support our customers with high quality products and the most competitive prices.
● There is no perfect individual, only perfect team!Our company often organizes activities to enhance the cohesion and teamwork spirit of the company and further promote the corporate culture
● we can provide customized service we are a customer oriented manufacturer our products can be customized.
● Mainly occupied the international market. Exported to Southeast Asia, Europe, North America, Australia, Middle East and other countries and regions ,enjoy a high reputation in the world.
Q: What about the package?
A: Strict double-layer packaging design,Rigorous vibration testing.Ensure that the product is not damaged during transportation.
A: Please send us inquiry from Alibaba, we will qutoe to you within 24 hours. It’s more convenient and appreciated for us if you provide your company details and your detail inquiry for with elevators.
Q: Shipping&price term
A: Both FOB/CIF/CFR price term are ok, we have reliable forwarder helping arrange the shipment for you.
A: The company now recruit distributor and agent all over the world. Prompt delivery and professional after-sales service are our priority, which makes us to be your reliable partner.
Q: What is your product warranty?
A: All of the power supply Winston Manufacture with 12 month warranty