Product Introduction
SW-3 Series
Product IntroductionSW-3 Series
S.W.C Thermal Cutoff SW-3 Series Specification
Temperature rating
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Cat NO. Tf Cutoff
temperature		 Th Tm K-mark UL C-UL VDE TUV CCC PSE
SW-302T  72℃  70℃+2℃,-2℃ 47℃ 120℃ ● □ □ □ □ □ □
SW-305T  77℃  77℃+0℃,-4℃ 52℃ 120℃ ● □ □ □ □ □ □
SW-309T  84℃  84℃+0℃,-5℃ 59℃ 150℃ ● □ □ □ □ □ □
SW-353T  93℃  93℃+0℃,-5℃ 68℃ 220℃ ● ● ● ● □ ● □
SW-304T  98℃  96℃+0℃,-2℃ 73℃ 220℃ ● □ □ □ □ □ □
SW-308T 100℃  100℃+0℃,-5℃ 75℃ 220℃ ● □ □ □ □ □ □
SW-310T 109℃ 109℃+0℃,-5℃  94℃ 190℃ ● □ □ □ □ □ □
SW-336T 110℃ 110℃+0℃,-5℃ 85℃ 230℃ ● ● ● ● □ ● □
SW-311T 121℃ 121℃+0℃,-5℃ 96℃ 230℃ ● ● ● ● □ ● □
SW-329T 128℃ 128℃+0℃,-5℃ 103℃ 270℃ ● □ □ □ □ □ □
SW-338T 144℃ 141℃+0℃,-5℃ 119℃ 290℃ ● ● ● ● □ ● □
SW-316T 152℃ 152℃+0℃,-4℃ 127℃ 290℃ ● ● ● ● □ ● □
SW-320T 167℃ 167℃+0℃,-4℃ 142℃ 290℃ ● ● ● ● □ ● □
SW-327T 184℃ 184℃+0℃,-6℃ 159℃ 300℃ ● ● ● ● □ ● □
SW-325T 195℃ 195℃+0℃,-6℃ 170℃ 300℃ ● □ □ □ □ □ □
SW-339T 216℃ 216℃+0℃,-6℃ 200℃ 370℃ ● □ □ □ □ □ □
SW-324T 228℃ 228℃+0℃,-6℃ 200℃ 370℃ ● □ □ □ □ □ □
SW-328T 240℃ 240℃+0℃,-6℃ 200℃ 370℃ ● ● ● ● □ □ □
●= Approved □ = Applied
Electrical rating
- Rated voltage : 250V, 240V
- Rated current : 20A /21A
- Frequency : 50 or 60Hz
- Maximum allowable interrupting current : 250V, ac 22.5A
- Transient Overload Current : dc current pulses, with an amplitude 300 A and a duration of 3 ms with 10 s intervals, are applied for 100 successive cycles through the current path.
Configuration
Appearance
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Dimension(mm) a b c d e
long 35.0 ± 1.0 10.5 ± 0.5 38.0 ± 1.0 4.0 ± 0.05 1.0
short 35.0 ± 1.0 10.5 ± 0.5 20.0 ± 1.0 4.0 ± 0.05 1.0
Marking
- On the body of each thermal fuse, marks should be printed as follows
- Brand : S.W.C.
- Part number : SW - 3XXT
- Rating : voltage(250V), current(20 A), function temperature(℃)
Company Introduction
Company Introduction
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Customer Information
Product Introduction
SW-1 Series
SW-2 Series
SW-3 Series
SW-5 Series
SW-6 Series
Thermal Fuse A’ssy
Ceramic
Technical Data
Operation principle of thermal fuses
Terminology Description
Precautions
Test Method
Characteristic Graph
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381, Seongseogongdanbuk-ro, Dalseo-gu, Daegu, Korea
TEL : +82-53-583-4132~3|FAX : +82-53-584-2923
Copyright(c)2016 SUNGWOO INDUSTRIAL.CO. All right Reserved.
381, Seongseogongdanbuk-ro, Dalseo-gu, Daegu, Korea
TEL : +82-53-583-4132~3 | FAX : +82-53-584-2923
Copyright(c)2016 SUNGWOO INDUSTRIAL.CO. All right Reserved.
381, Seongseogongdanbuk-ro, Dalseo-gu, Daegu, Korea
TEL : +82-53-583-4132~3 | FAX : +82-53-584-2923
Copyright(c)2016 SUNGWOO INDUSTRIAL.CO. All right Reserved.