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Home > Passive Components > Contactors > Star Delta Starter

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18A Star Delta Starter, 11kW/ 15kW, 220V/ 380V AC

$96.39

Star delta starter for sale at economic price, 18 amp rated operational current, 11kW/ 15kW (15Hp/ 20Hp) power, working at 22

SKU: CHN-STAR-18

Free Shipping Worldwide

Delivery date: 6-12 days

Overview
Documents

Low price 18A star delta starter consists of 3 contactors and an air delay head. Left contactor is connected to main circuit inlet and outlet and the main contactor of the thermal overload relay. The others are conversion contactors.

Star Delta Starter Specification

Model: CHN-QJX2-18
Rated Operational Current (AC-3): 18A
Coil Rated Voltage: 220V AC, 380V AC (Optional)
Contact Form: 3P+NO or 3P+NC (Optional)
Power of Controllable 3-phase Squirrel-cage Motor (AC-3): 220V, 11kW; 380V, 15kW
Conventional Heating Current: 32A
Rated Insulation Voltage: 690V
Electric Life: 1200 times/h
Mechanical Life: 3600 times/h
Matching Fusing Model: RT16-25
Average Power Consumption (20℃) @ 50Hz: Pick-up 76VA; Holding 9.4VA
Rail Size: 35mm
Ambient Temperature: -5℃~+40℃
Altitude: ≤2000m
Class of Pollution: Class 3
Installation Category: Ⅲ
Dimension (L*W*H): 124mm*140mm*154mm
Weight: 1.1kg

Air Delay Head Specification

Rated Current: 10A
Delay Time: Power Off Time Delay 0.1~30s
Dimension (L*W*H): 50mm*45mm*60mm
Auxiliary Contact: 1NO+1NC

Dimension (Unit: mm)

Wiring Diagram

Tips: Star delta starter advantages and disadvantages

Advantages

The starting current is small (the starting current is 1/3 of the direct starting), and the impact on the power grid is small.
The star-delta starter is simple in structure and cheap in price.
When the load is light, the motor can be run under the star connection, so as to realize the matching between the rated torque and the load, and improve the operation efficiency of the motor.
There is no need to purchase starting equipment, and it can be realized with control equipment such as starting switch or AC contactor.

Disadvantages

Can only be used for delta-connected motors.
Only applicable to small asynchronous motors of 4~100kW.
When the stator winding is connected in star, the starting torque is reduced to 1/3 of the delta connection, so it cannot start under heavy load.