Soft Start for AC Compressor

Soft Start for AC Compressor

This soft start for AC compressorhas has perfect and reliable protection functions, and it effectively protects the safety of the use of related production equipment. In addition, there are various kinds of starting modes in order to achieve a perfect starting effect.
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Product Details

Product Feature:

It helps to reduce the heat loss of the thyristor.

This soft start for AC compressorhas improves the working efficiency, and it avoids the harmonic pollution of the power grid.

Our product is equipped with soft stop function in order to avoid torque shock.

It  is able to avoid mechanical failure and blockage caused by overheating of the device.


Product Description:

This soft start for AC compressorhas has perfect and reliable protection functions, and it effectively protects the safety of the use of related production equipment. In addition, there are various kinds of starting modes in order to achieve a perfect starting effect. Equipped with the most advanced design, it is available to complex motor and load conditions. At the same time, the control circuitry is simplified thanks to a high-performance microprocessor and powerful software support. There is no need to adjust the circuit parameters. This soft start for AC compressorhas automatically replaces the completed thyristor with a bypass contactor to provide a rated voltage for the normal operation of the motor. 

 

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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

WSTR3250

480

132KW

250KW

400KW

R3

WSTR3315

590

160KW

315KW

560KW

WSTR3355

660

/

355KW

630KW

WSTR3400

790

200KW

400KW

710KW

WSTR3500

1000

250KW

500KW

900KW

WSTR3630

1200

355KW

630KW

/


Basic Functions

Meet the standards

GB14048.6/IEC 60947-2-2:2002

Three phase power supply

AC 380V(optional 220V and 660V)

Frequency

50Hz/60Hz

Suitable motor

Squirrel cage three-phase asynchronous motor

Start-up frequency

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.

Protection level

IP20

Anti shock

IEC68-2-27:15kg,11ms

Seismic capacity

At an altitude of 3000 below ground gas, the vibration stresses below 0.5G

Ambient temperature

working temperature

Storage temperature

-25

Ambient temperature

93% no condensation or drop

Maximum work

1000

Cooling mode

Natural cold wind

Relative to vertical

Vertical installation, angle range


External Dimensions

External dimensions of 90kw-400kw

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

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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

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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

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● We have 3 senior engineers in our R&D dept, we design and produce all kinds of voltage transformers regulators, stabilizers rector on the basis of our customers’ specific requirements. 

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● 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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● We have customers from all of the world, and we hold exhibitions in different country.

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● 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.

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