B Series Compressor external overload protector for refrigerating compressor motors

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$0.20 - $1.00 / Pieces | 1000 Piece/Pieces (Min. Order)
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Quick Details
Refrigerator Parts
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
B series
Product Name:
External productor
Temperature characteristic(OFF):
Refrigerator:100~150℃ ; Air-conditioner: 130~170℃
Temperature characteristic(ON):
Refrigerator:50~90℃ ; Air-conditioner: 60~90℃
Ambient temperature:
Refrigerator:60~120℃ ; Air-conditioner: 80~120℃
Safety certificate:
Supply Ability
Supply Ability:
500000 Piece/Pieces per Day refrigerator protector
Packaging & Delivery
Packaging Details
15~20 Days
Video Description

B Series Compressor external overload protector for refrigerating compressor motors


Product Description

 B series external protector is available for the application of hermetical and semi-hermetical electric motor-internal commpressor as compressor protector for overheat and overload protection.



B series external protectors    


Rated short time current: 2.5 to 50 Amp.

Range of opening temperature: 100-170°C


Type of construction

  1. Dual-terminal Type
  2. C-Hook Type
  3. Wire-terminal Type
  4. Explosion-proof Type 
Parameter Sheet
 Specification RangePermissible deviation  Specific parameter 
Temperature Characteristic OFF ( ℃ ) 100 ~150 130 ~170  ± 5 Customized 
ON ( ℃ ) 50 ~90 60 ~90   ± 9 ,  ± 11
Short time trip (S/T)  Current (A) 1.5 ~30 8 ~50  - Customized  
sTrip (S) 2 ~20 2 ~20  -
Reset (S)  ≥ 3  ≥ 3  -
Ultimate trip currentAmbient temperature   (℃ ) 60 ~120 80 ~120  ± 2 Customized

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Company Information

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AWE 2018 - Appliance & Electronics World Expo 2018


Q1:How can we get a quote?

A: Please offer the specification of the product, such as operating temperature, volt, current, application, quantity etc. Picture or drawing are welcome for our reference.  


Q2: What is the MOQ?

A: Normally our MOQ is 1000 pcs. Larger quantity could win lower price.


Q3: What about the lead time?

A: It usually takes about only 7-15 days to produce KSD thermostat, KST thermostat and capillary thermostat would take longer time, which is about 30 days.


Q4:Which payment terms you can accept?

A: T/T, Western Union, L/C



A: We offer 3 year guarantee.

Contact Us

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