Thermal fuse is a kind of circuit protection device working to break the circuit when the temperature reaches a predetermined value. Its housing is made from brass plated with sliver, so insulating sheath is required when applying it to your electric device. Thermal fuse is non-resettable and can be used only for one time. It is typically found in many electric appliances, like hair dryer, electric iron, rice cooker, electric stove, transformer, motor, water dispenser, and coffee maker, etc.

Main Features
1. Rated opening temperature range (Tf): 70-250℃; tolerance: +0°C /-10°C;
2. Closing temperature (Th): Th=Tf-15℃;
3. Rated capacity: AC250V 10A;
4. Electrical strength: applying a power of 1500V AC for 1min between the 2 lead wires and there should be no electric arc or flashover phenomenon;
5. Insulation resistance: ≥ 5MΩ;
6. Tensile strength of lead wire: ≥50N

Open and Close Temperature

Model	Rated opening temperature (Tf ℃)	Closing temperature (Th ℃)	Max environment temperature (Tm ℃)	Certificate	Max capacity
CSRY0173℃	73	48	143	CCC, TUV	250Vac/10A
CSRY0177℃	77	52	147	CCC, TUV	250Vac/10A
CSRY0184℃	84	59	154	CCC, TUV	250Vac/10A
CSRY0198℃	98	73	168	CCC, TUV	250Vac/10A
CSRY01104℃	104	79	174	CCC, TUV	250Vac/10A
CSRY01110℃	110	85	180	CCC, TUV	250Vac/10A
CSRY01121℃	121	96	191	CCC, TUV	250Vac/10A
CSRY01125℃	125	100	195	CCC, TUV	250Vac/10A
CSRY01134℃	134	109	204	CCC, TUV	250Vac/10A
CSRY01139℃	139	114	209	CCC, TUV	250Vac/10A
CSRY01141℃	141	116	211	CCC, TUV	250Vac/10A
CSRY01144℃	144	119	214	CCC, TUV	250Vac/10A
CSRY01155℃	155	130	225	CCC, TUV	250Vac/10A
CSRY01172℃	172	147	242	CCC, TUV	250Vac/10A
CSRY01184℃	184	159	254	CCC, TUV	250Vac/10A
CSRY01192℃	192	167	262	CCC, TUV	250Vac/10A
CSRY01216℃	216	191	316	CCC, TUV	250Vac/10A
CSRY01227℃	227	202	327	CCC, TUV	250Vac/10A
CSRY01240℃	240	215	340	CCC, TUV	250Vac/10A

Note
1. Let the fuse's temperature rise from the rated opening temperature (20℃) with a rate of no more than 1℃/min, and keep the current going through the thermal fuse within 0.1A, the temperature accuracy of the fuse should reach ±1℃.
2. The thermal switch can't work in environment with strong acid or alkali for long time.
3. During the installation process, remember to mount the fuse at the part where is the most sensitive to temperature, and protect it from deformation.

Index
Circuit Protection Device,Temperature Sensitive Device,One Shot Thermal Fuse,Thermal Cutoff,Thermal Switch,Circuit Breaker