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QJX3-18.5kW Star-Delta Starters

QJX3

Characteristics

QJX3 Serise Star-Delta Starters,Cabinet mainly be applicable to the circuit of voltage 440V,AC 50/60Hz. It is used for controlling the 3-phase squirrel-close type induction motor with a power of less than 45kW on AC-3. The startup mode is automarically changed from "Y" to "△". It can protect the motor from overload, open phase, and short circuit. It is widely used in compressors, fans, water pumps and other industrial equipment.

Type and Signification:

Note:When placing an order,please note that the ammeter and voltmeter are configured with pointer type or digital display type


Normal working conditions and installation conditions:

● Temperature: -5°C ~ +40°C, average temperature not exceed +35°C in 24 hours.

 Altitude: Do not exceed 2000m.

 Air Condition: Atmospheric relative humidity can’t exceed 50% at ambient air temperature of +40℃,and the higher relative humidity may be allowed at lower temperatures. For example, when the ambient air degree is 20℃, the relative humidity can reach 90%. Because of the occasional condensationphenomenon of the product due to the temperature changes, the user should take special protective measures.

 Pollution Grade:Grade 3.

 Installation category:III Class.

 Mounting Condition: The inclination between the mounting plane and the vertical plane shall not exceed ±5°.

 Impact shock: The product shall be installed and operated at a place without obvious shake, impact and vibration.


Product Selection:

Components List

Electrical

Symbols

Name

Model

Quantity

Model

Quantity

Model

Quantity

Model

Quantity

QJX3-11

QJX3-15

QJX3-18.5

QJX3-22

QF

Mini circuit breaker

AON-63 3P/D63A

1

AON-63 3P/D63A

1

AON-63 3P/D63A

1

AOM-125 3P/D100A

1

KM1

AC contactor

CJX2-2510 25A

380V

1

CJX2-2510 25A

380V

1

CJX2-3210 32A

380V

1

CJX2-4011 40A

380V

1

KM2

AC contactor

CJX2-2501 25A

380V

1

CJX2-2501 25A

380V

1

CJX2-3201 32A

380V

1

CJX2-4011 40A

380V

1

KM3

AC contactor

CJX2-1210 12A

380V

1

CJX2-1810 18A

380V

1

CJX2-2510 25A

380V

1

CJX2-3210 32A

380V

1

FM

Motor Protector

JD-5/80 
1-80A 380V

1

JD-5/80

1-80A 380V

1

JD-5/80

1-80A 380V

1

JD-5/80

1-80A 380V

1

KT

Time relay

ST3P A-B

0~60s 380V

1

ST3P A-B

0~60s 380V

1

ST3P A-B

0~60s 380V

1

ST3P A-B

0~60s 380V

1

FU

Fuse protector

(Optional)

RT18-32

6A

1

RT18-32

6A

1

RT18-32

6A

1

RT18-32

6A

1

HL1

Volt-ammeter

---

1

---

1

---

1

---

1

HL2

Start indicator
light Yellow

AD16-22

380V

1

AD16-22

380V

1

AD16-22

380V

1

AD16-22

380V

1

HL3

Operation indicator light - Green

AD16-22

380V

1

AD16-22

380V

1

AD16-22

380V

1

AD16-22

380V

1

SB1

Start bottom - Green

LA38-11

380V

1

LA38-11

380V

1

LA38-11

380V

1

LA38-11

380V

1

SB2

Stop bottom - Red

LA38-11

380V

1

LA38-11

380V

1

LA38-11

380V

1

LA38-11

380V

1

Setting delay value

11

11

15

15

 

Components List

Electrical

Symbols

Name

Model

Quantity

Model

Quantity

Model

Quantity

QJX3-30

QJX3-37

QJX3-45

QF

Circuit breaker

AOM-125 3P/D100A

1

AOM-125 3P/D125A

1

AOM-125 3P/D125A

1

KM1

AC contactor

CJX2-5011 50A

380V

1

CJX2-6511 65A

380V

1

CJX2-9511 95A

380V

1

KM2

AC contactor

CJX2-5011 50A

380V

1

CJX2-6511 65A

380V

1

CJX2-9511 95A

380V

1

KM3

AC contactor

CJX2-4011 40A

380V

1

CJX2-5011 50A

380V

1

CJX2-6511 65A

380V

1

FM

Motor Protector

JD-5/80 
1-80A 380V

1

JD-5/80

1-80A 380V

1

JD-5/200

80-200A 380V

1

KT

Time relay

ST3P A-B

0~60s 380V

1

ST3P A-B

0~60s 380V

1

ST3P A-B

0~60s 380V

1

FU

Fuse protector

(Optional)

RT18-32

6A

1

RT18-32

6A

1


RT18-32
6A


1

HL1

Volt-ammeter

---

1

---

1

---

1

HL2

Start indicator
light Yellow

AD16-22

380V

1

AD16-22

380V

1

AD16-22

380V

1

HL3

Operation indicator light - Green

AD16-22

380V

1

AD16-22

380V

1

AD16-22

380V

1

SB1

Start bottom - Green

LA38-11

380V

1

LA38-11

380V

1

LA38-11

380V

1

SB2

Stop bottom - Red

LA38-11

380V

1

LA38-11

380V

1

LA38-11

380V

1

Setting delay value

15

20

20

Note:Components could customized based on client's requirement.


Outline and installation dimension(mm):


Model

A

B

C

QJX3-11

400

300

200

QJX3-15

400

300

200

QJX3-18.5

400

300

200

QJX3-22

600

400

200

QJX3-30

600

400

200

QJX3-37

600

400

200

QJX3-45

800

600

250

The inductive load will generate a back-EMF voltage at the monment the power is turned on.The peak value of this voltage is far greater than the voltage that the load AC power supply can withstand,so it is easy to cause the instantaneous overload of the star-delta starter cabinet,which will affect the service life of the star-delta starter cabinet.

Therefore,the required star-delta starter cabinet needs to be amplified by one gear.

For example,a 15KW motor needs a 18.5KW star-delta starter cabinet,and a 18.5 motor needs a 22KW star-delta starter cabinet.

If you have any enquiry about quotation or cooperation,please feel free to email us ator use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.