三相/單相交直流馬達雙金屬片過載熱保護

馬達電路中安裝 Hi-Amp 馬達雙金屬片過載熱保護開關, 流向馬達的電流通過雙金屬跳脫元件. 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. 17AM最顯著的特點 / KSD9700 / 結核病 / 6AP/ 3MP/ 5AP系列熱過載開關 / 馬達熱保護開關體積小、載流量大.

17AM馬達熱過載保護開關

6AP/ 3MP/ 5AP 車窗馬達過載雙金屬片熱熔斷開關

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

強調: 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, 過熱保護, 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, 變壓器, rectifier, 燈光, 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. 電路電阻: ≤50mΩ (初始值)
4. 絕緣電阻: ≥100mΩ
5. Action temperature range: 40~150℃
6. Case: metal case and plastic case
7. 生活: ≥10,000 times
8. 尺寸:

9. Open temperature and reset temperature sheet

模型	L(毫米)	瓦(毫米)	H(毫米)	Electrical rating	引線 (毫米)
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 次
4. Prevention again leak of vacuum impregnation process
5. Replacer of SENSATA 17AM 7AM, SEKI ST-22 etc.