Data Sheet

a. Products in the lead when disconnect between AC660V shall withstand, 1min without breakdown flash
over phenomenon;
b. Product leads and insulated shell, between AC1800V can withstand 1S without breakdown flash over
phenomenon.(striking current is 0.5mA)
3.5 Insulation resistance: under normal conditions, fuses and insulation shell insulation resistance in 100M Ω
above. (used for DC500V meter)
3.6 Contact resistance:Product contact resistance shall not be more than 50mΩ。
3.7 High temperature resistant test: The action temperature should keep in 96h in temperature of 50 ° c rated
movements in air environment.
3.8 Low temperature resistance test: product should keep in 96h when in air environment - 40 ° c
3.9 Ant-vibration test: thermal protectors shall withstand amplitude, frequency changing 1.5 mm 10 ~ 55Hz,
scanning change cycle 3-5 times/min, vibration direction X,Y,Z, in each direction, each successive 2h vibration.
3.10 Drop test: products high free fall from 0.7 m.
3.11 Compression test: products shall stand 1min in100N static pressure.
3.7,3.8,3.9,3.10,3.11should meet the following requirements:
a.Disconnect temperature charges in the initial value should be within +7℃
b.contact resistance should be below 100mΩ;
c.appearance should be no obvious deformation;
d.wires should without cracking damage.
4 Life
Products in the rated voltage, current, power factor for 0.7 conditions, plus 4,000 times that the action of
heat, should satisfy as below:
a. Disconnect temperature changes in the initial value should be within + 5 ° c,
b.Contact resistance should be belowin100Mω
continue experiment in 6000times after action。