Protecție termică bimetală la suprasarcină pentru motor AC/DC trifazat/monofazat

Întrerupătorul de protecție termică de suprasarcină bimetal pentru motor Hi-Amp este instalat în circuitele motorului, iar curentul care merge la motor trece prin elementul de declanșare bimetalic. The flowing current heats the bimetallic strip which causes the bimetallic material to bend, and after a specific temperature, the bimetallic strip will open the thermal protection switch. Cea mai importantă caracteristică a ora 17 AM / KSD9700 / TB / 6Comutator de suprasarcină termică seria AP/ 3MP/ 5AP / întrerupătorul de protecție termică a motorului are un volum mic și o capacitate mare de transport a curentului.

17Comutator de protecție termică a motorului AM

6AP/ 3MP/ 5AP întrerupător termic bimetal de suprasarcină a motorului ferestrei

3MP pre-set KLIXON snap action bimetal disc thermal protector switch

High Light: motor Bimetal Overload Thermal Protection switch
thermo switch protector for floor heating

BW series thermal protector’s Principle and structure
BW series thermal protector is to use a certain geometry of bimetallic strip, without auxiliary institutions, only by bimetallic strip their own sense of mild heating current, rapid changes in the state of bimetallic element, direct drive contact automatic cutting and processing circuit, overheat protection, overload protection.

BW series thermal protector’s application
It is widely applied in Electric motors and electrical equipment as electric blanket, hot wall, washer motor, soybean milk machine motor, Fan motor, air condition motor, fractional motor, direct current motor, AC brushless motor, water pump, transformer, rectifier, lighting, rechargeable battery,electric heating appliance etc.

BW series thermal protector’s specification
1. Contact’s type: Normally closed and Normally open
2. Electrical rating: 10A/AC120V; 8A/AC250V; 10A/AC250V; 16A/AC250V
3. Circuit resistance: ≤50mΩ (Initial value)
4. Insulation resistance: ≥100mΩ
5. Action temperature range: 40~150℃
6. Case: metal case and plastic case
7. Life: ≥10,000 times
8. Size:

9. Open temperature and reset temperature sheet

Model	L(mm)	W(mm)	H(mm)	Electrical rating	Lead wire (mm)
BW metal	20	7.5	3.8	5A/250V;10A/250V	AWG#22,AWG#18 high temperature silicone wire L1=L2=70mm, or according to customer’s requirement.
BW metal	20	8.0	4.1	16A/250V
BW plastic	20	8.0	4.0	5A/250V;10A/250V

Code	Open temp.	Reset temp.	Code	Open temp.	Reset temp.
40	40℃±5℃	≥30℃	100	100℃±5℃	70±10℃
45	45℃±5℃	≥30℃	105	105℃±5℃	70±12℃
50	50℃±5℃	≥30℃	110	110℃±5℃	75±12℃
55	55℃±5℃	≥30℃	115	115℃±5℃	80±12℃
60	60℃±5℃	40±10℃	120	120℃±5℃	85±12℃
65	65℃±5℃	45±10℃	125	125℃±5℃	90±12℃
70	70℃±5℃	50±10℃	130	130℃±5℃	95±12℃
75	75℃±5℃	55±10℃	135	135℃±5℃	100±12℃
80	80℃±5℃	60±10℃	140	140℃±5℃	105±12℃
85	85℃±5℃	65±10℃	145	145℃±5℃	110±12℃
90	90℃±5℃	70±10℃	150	150℃±5℃	115±12℃
95	95℃±5℃	75±10℃

BW Thermal protector’s competitive advantage
1. Small size and easy installation
2. Quick bimetallic strip, fast reaction
3. The life time high than 10,000 times
4. Prevention again leak of vacuum impregnation process
5. Replacer of SENSATA 17AM 7AM, SEKI ST-22 etc.