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BW-A3D three phase motor thermal protector motor overload protector switch

BW-A3D three phase motor thermal protector : Snap action, automatic reset, Normal closed
Contact rating: 8A/125VAC; 5A/250VAC,AC380V/5A
Application of BW-A3D three phase motor thermal protector: widely used against over current and over temperature in 3-PHASE motor ( only for Y TYPE )

Quantity:
  • BW-A3D three phase motor thermal Protector
  • HC

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Work principle:

BW-A3D thermal protector is a temperature automatic response devide and is connected in series to the winding of motor. The contacts open on temperature rise and reset after the temperature drops down.

 

Application:

BW-A3D series three phase thermal protector are widely used against over current and over temperature in 3-PHASE motor ( only for Y TYPE )

Main features:

Snap action, normal closed

Normal closed  type: cutoff at temperature rises

Contact rating: 5A/250VAC; 5A/380VAC 
Thermal switch dimension: 23X11.5X4.90mm

Open Temperature: 50C to 155C,  in 5C increasement

Cable:Stardard:AWG20 silicon cable,70mm long, special requests accepted


Cutoff temperature table:(reset temperature for reference)

Model Open temperture Reset temperture Model Open temperture Reset temperture
A3D-50℃ 50±5℃ 35±6℃ A3D-105℃ 105±5℃ 70±15℃
A3D-55℃ 55±5℃ 35±7℃ A3D-110℃ 110±5℃ 75±15℃
A3D-60℃ 60±5℃ 40±10℃ A3D-115℃ 115±5℃ 75±15℃
A3D-65℃ 65±5℃ 45±10℃ A3D-120℃ 120±5℃ 80±15℃
A3D-70℃ 70±5℃ 45±10℃ A3D-125℃ 125±5℃ 85±15℃
A3D-75℃ 75±5℃ 50±15℃ A3D-130℃ 130±5℃ 85±15℃
A3D-80℃ 80±5℃ 55±15℃ A3D-135℃ 135±5℃ 90±15℃
A3D-85℃ 85±5℃ 55±15℃ A3D-140℃ 140±5℃ 95±15℃
A3D-90℃ 90±5℃ 60±15℃ A3D-145℃ 145±8℃ 95±15℃
A3D-95℃ 95±5℃ 65±15℃ A3D-150℃ 150±8℃ 100±15℃
A3D-100℃ 100±5℃ 65±15℃ A3D-155℃ 155±8℃ 105±15℃


Dimension:

A3D drawing


 

 

Product Picture

 

Three phase -A3D-01

 

Other models for your reference

 

HC thermal protector02

 

Production line

 production line

Packaging & shipping

 

pack01

package

 


 

Storage Condition:

During the transport and storage, the packages can not be exposed to snows or rains, and should avoid strong force outside.  It shouId be stored in a dry and ventilative warehouse.

 

Customers' special requests accepted. Pls contact us for more.

 


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