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BW-D ST-22 motor thermal protector
Cycles:6A/10000
Temp. range:40 ℃ -145 ℃
Tolerance:+/-5 ℃
Certification :VDE, UL, CQC
Alternative : SEKI ST-22



Intergration of resources
1. Intergration of global supply chain resources ,we buy bimetal disc from the wrold largest bimetal-dics material manufacturer EMS
in the United States and case from German supplier who uses stamping froming technology
2. Spring which material comes from NGK Japan and manufatured by japanese stamping supplier
3. Sliver plating technology on case and spring which greatly reduces the contact resistance
4.the key component bimetal-disc produced by fully automated molding equipment ad sorted by tunnel oven separation equipment
is good consistency and stable performance



*Electric field
*switching power supply
*welding machine
*lithium-ion battery packs protection board
*fire alarm etc
National Patent & ISO 9001:2008 Certification &
Quality certificate & certified product:

History :
1999.8 SafttyElectronic Technology Co., Limited was established and aim at researching and selling all kinds of thermal protectors.
2009.1 Invest and se up factory in Yangzhou city to manufacture BW-D and ST07;ST08 series.
2011.9 Build a factory in Xinzao, Panyu, Guangzhou, producing ST01 series round shape and ST03 small size thermal protectors.
2013.1 Set up a second factory in Yangzhou city to manufacture BW-B series thermal protectors.
2016.5 Move to new factory location in Yangzhou where produce ST01,ST03 and BW-B thermal protectors.
Our team :

Our factory :

Yangzhou office :

Our Exhibition :
From 2010 to 2014....


Saffty Insist on innovation
customer from all over the world
Our customers mainly from Europe ,Italy ,Germany ,
France , UK ,Tukey ,Iran, korea ,USA, India...
Test Technology:
1.SVM image measuring machine imported from Switzerland.
2.High and Low Temperature Test Instrument.
3.X-ray Detector Equipment.
4.Voltage-endurance test machine
5.Oscillometer .
6.Microscope.

Contact us :
SAFFTY ELECTRONIC TECHNOLOGY
Tel:008620-34826856
Fax:008620-62351066 ext.802
Web:www.saftty.com
Address:No.4,Shijiaozui Street,Haijing Road,Xinzao,Panyu,Guangzhou,China!
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