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Our crew through skilled training. Skilled skilled knowledge, strong sense of company, to meet the company wants of customers for KC Thermal Cutoffs, PTC, plastic case thermal fuses, Accurate process devices, Advanced Injection Molding Equipment, Equipment assembly line, labs and software advancement are our distinguishing feature.
100% Original Factory UL Thermal Cutoffs - ALLOY TCO – A series – A-3A-F – Aupo Detail:

Model No |
a |
b |
c |
d |
e |
A-3A-F |
6.2 ± 0.5 |
6.3 ± 0.5 |
2.5 ± 0.3 |
Φ0.6 ±0.02 |
70 ± 3 |
Model NO.
|
Tf(℃)
|
Fusing-off Temperature (℃)
|
Th(℃)
|
Tm(℃)
|
Ir(A)
|
Ur(V)
|
IEC
|
Corp
|
A0-3A-F
|
84℃
|
84+0/-10
|
82±2
|
65
|
203
|
2
|
250
|
A1-3A-F
|
102℃
|
102+0/-10
|
98±2
|
80
|
203
|
2
|
250
|
A2-3A-F
|
115℃
|
115+0/-10
|
112±3
|
99
|
203
|
2
|
250
|
A3-3A-F
|
125℃
|
125+0/-10
|
120±3
|
105
|
203
|
2
|
250
|
A4-3A-F
|
130℃
|
130+0/-10
|
126±2
|
107
|
203
|
2
|
250
|
A5-3A-F
|
135℃
|
135+0/-10
|
131±3
|
115
|
203
|
2
|
250
|
A7-3A-F
|
138℃
|
138+0/-10
|
135±2
|
118
|
203
|
2
|
250
|
A12-3A-F
|
145℃
|
145+0/-10
|
140±2
|
126
|
203
|
2
|
250
|
A8-3A-F
|
150℃
|
150+0/-10
|
145±3
|
128
|
203
|
2
|
250
|
A16-3A-F
|
160℃
|
160+0/-10
|
155±2
|
140
|
203
|
2
|
250
|
Model No. |
UL/CUL |
VDE |
CCC |
PSE |
KTL |
A0-3A-F |
E140847 |
40008720 |
○ |
JET0749-32001-1005 |
SU05017-17001 |
A1-3A-F |
2009010205372876 |
JET0749-32001-1003 |
SU05017-17002 |
A2-3A-F |
A3-3A-F |
JET0749-32001-1004 |
SU05017-17003 |
A4-3A-F |
A5-3A-F |
A7-3A-F |
A8-3A-F |
JET0749-32001-1006 |
A12-3A-F |
○ |
A16-3A-F |
○ |
|
|
|
|
|
○ pending
|
Product Description:
- AUPO A-series thermal fuse is non-resettable thermal protection device with plastic casing, which is sensitive to the ambient temperature, with accurate and stable operating temperature, small size and sealed structure.

- Alloy type A-series thermal fuse: when ambient temperature rises to its operating temperature, the fusible alloy will melt and shrink into bulb on both sides of pin, with the help of surface tension and special resin, cut off the circuit permanently.
Advantages:
- 1. Confidential alloy formula technology to ensure stable operation and high precision.
- 2. Complete product quality management system to ensure high consistency and reliability.
- 3. Plastic case, good insulation, easy to install.
- 4. Epoxy resin package, good product sealing.
Application Field:
- A-series products are widely used for overheating protection of all kinds of transformer coils, as well as surge protection of various power supplies and plugs.
Product Certification:
- A-series products meet the safety test requirements of IEC 60691 Ed 4.0 and GB/T 9816.2013, and many models are certified with UL, VDE, CCC, PSE, KC, TUV and other safety approvals.
Product detail pictures:
Related Product Guide:
With sophisticated technologies and facilities, strict top quality handle, reasonable value, exceptional support and close co-operation with clients, we are devoted to furnishing the ideal worth for our clients for 100% Original Factory UL Thermal Cutoffs - ALLOY TCO – A series – A-3A-F – Aupo , The product will supply to all over the world, such as: Tajikistan, Norway, Eindhoven, Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We have tightened inspection for quality of product.
This is a very professional wholesaler, we always come to their company for procurement, good quality and cheap.
By Christina from Iraq - 2018.09.21 11:44
The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
By Kama from Finland - 2018.09.19 18:37