Intelligent Pump Motor Soft Starter

Intelligent Pump Motor Soft Starter

Digital Display 220V 380V Motor Soft Starter (WSTRD30160)
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Product Details

Model Of The Soft Starter

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Data-sheet

Soft starter
230V/400V/660V-50/60Hz

Rated motor power

Model
appearance

Soft Starter
Model

Working Max
Allowable current

220V

380V

660V

Please refer to
The following page

WSTR3090

160

45KW

90KW

132KW

R2

WSTR3115

200

55KW

115KW

160KW

WSTR3132

250

75KW

132KW

200KW

WSTR3160

300

90KW

160KW

250KW

WSTR3200

360

115KW

200KW

355KW


Basic Functions

3


External Dimensions

External dimensions of 90kw-400kw

Please see the below table for the external and installation dimensions of WSTR3000 series 90kw-400kwsoft starter.

1


Model

Rated power (KW)

Rated current(A)

External dimensions

Installation dimensions

Net weight
(kg)

H1

W1

D

H2

W2

d

WSTR 3090

90

180

400

270

240

355

244

M8

18

WSTR 3115

115

230

400

270

240

355

244

M8

18

WSTR 3132

132

264

400

270

240

355

244

M8

18

WSTR 3160

160

320

400

270

240

355

244

M8

18

WSTR 3200

200

400

400

270

240

355

244

M8

18

WSTR 3250

250

500

455

300

265

395

265

M8

28

WSTR 3280

280

560

455

300

265

395

265

M8

28

WSTR 3320

320

640

455

300

265

395

265

M8

28

WSTR 3400

400

800

455

300

265

395

265

M8

28


Connection Diagram For Main Circuit Of WSTR 3000 Soft Starter

4


Terminal Configuration Diagrams

Terminal diagram of the main circuit

1) WSTR3005-3075WSTR 3090-3400


2)Terminal diagram of the control circuit

3)Terminal connection of the control circuit


Why Choose Us

Description Of Protection Functions

WSTR 3000 series soft starter possesses complete protection functions to protect the operation security of the soft starter and the motor. During operation, the protection level and protection parameters should be properly set base don different circumstances.

● Over-heating protection of the soft starter: the protection will start when the temperature rises to 80℃±5℃, and it will stop when the temperature falls to 55℃(lowest). 

● Delayed time of input phase loss protection: <3s. 

● Delayed time of output phase loss protection: <3s.

● Delayed time of input three-phase unbalance protection: <3s. Taking the deviation of current in each phase is over 50%10% as the criteria, when the load current is less than 30% of the nominal rated value of the soft starter, it is confirmed that the deviation will increase. 

● Protection time of over-current during starting: the protection time shall be continued to be longer than 5 times of the maximum operating current of code F5, 

● Delayed time for power under-voltage protection: when the power voltage is under the extreme value 40%, the protection time< 0.5s, when the power voltage is below the set value, the protection time< 3s. 

● Delayed time for power over voltage protection: when the power voltage is over the extreme value 130%, the protection time< 0.5s, when the power voltage is over the set value, the protection time< 3s. 

● Delayed time for load short circuit protection < 0.1 s, if the current is more than IO times of the nominal rated value of the soft starter, this protection shall not replace the fuse or short circuit protection device. 

The above time parameters are the periods from the valid signal being detected to the tripping protection directive being given; these parameters are for information only. In the event that the protection functions of the soft starter fails to meet the requirements of customers, special protection devices should be installed to ensure the safety. 

5


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:

6


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:


Technical Characteristics

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

3.Beautiful appearance

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.

5.Full refractory

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

6.CE.

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.

8.Simple maintenance

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


About Us

● Yueqing Winston is a known brand, a leading manufacturer and exporter for off-grid which has been this industry for 10 years. Our factory was established in 2010. We provide power solution service to our clients. All of our customers are located all over the world and they are very satisfied due to our excellent price-quality ratio.

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● 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. 

8

● The company's products have a wide range of applications.Including printing machinery, packaging machinery, winding machinery, film blowing machine, lathe, grinder, etc.Therefore, it is deeply loved by customers.

9

● we can provide customized service we are a customer oriented manufacturer our products can be customized.

10

● We will arrange the goods packaging, choose the transport routes in a fast and economical mode; Monitor all goods circulation, track and ensure the quality of transportation; provide fast, safe logistics channels.

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FAQ

Q: How about your after-sale service?

A: 24 hours online service.

Q: Can you produce according to the samples?

A: Yes, we can produce by your samples or technical drawings. 

Q: Could I be your sale agent in our market?

A: It’s OK,we’ll depend on the sales turn over and also do research on your market.Let’s discuss more if you have interest.

Q:Do you have the products in stock?

A: Depends on your request, We have standard models in stock. Some special products and big order will be newly produced according to your order quantity.

Q: Is there any discount?

A: The discount will depend on the quantity you purchase.


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