Thermal fuses in radial design
Alpha Therm GmbH’s radial thermal fuses provide reliable protection for electrical circuits at temperatures ranging from 76°C to 230°C. With their insulated terminals, they are suitable for a wide range of applications and are available in either plastic or ceramic housings. Thanks to pre-assembled versions and custom designs, the thermal fuses can be tailored to each customer’s specific requirements. Even the bent lead wires can be customized as desired to facilitate installation and operation.
Alpha Therm GmbH’s radial thermal fuses are known for their high quality and reliability. They provide reliable protection against overheating and overload in electrical circuits and are used in a wide range of applications, such as household appliances, the automotive industry, medical technology, and aviation.
In addition to their high functionality, the thermal fuses are also extremely user-friendly. The thermal fuses are easy to install and feature insulated terminals that minimize the risk of short circuits and other damage. They are also available in a tape-and-reel version, which facilitates the automation of manufacturing processes.
Alpha Therm GmbH’s radial thermal fuses are not only robust and durable, but also cost-effective. Thanks to the use of high-quality materials and state-of-the-art manufacturing technologies, these thermal fuses can be offered at a competitive price without compromising on quality.
Overall, the radial thermal fuses from Alpha Therm GmbH are an excellent choice for anyone who needs reliable circuit protection. With their high functionality, user-friendliness, and cost-effectiveness, they are the ideal solution for a wide range of applications.
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F Series
Rated Functioning Temp. (Tf): 76 – 160°C
Rated Current (Ir): 1 A | 3A
Rated Voltage (Ur): AC 250V | DC 60V -
K Series
Rated Operating Temperature (Tf): 76–221°C
Rated Current (Ir): 2 A | 4 A
Rated Voltage (Ur): AC 250 V | DC 60 V -
KG Series
Rated Functioning Temp. (Tf): 76 – 221°C
Rated Current (Ir): 2 A
Rated Voltage (Ur): AC 250V | DC 60V -
KM Series
Rated Functioning Temp. (Tf): 125 – 150°C
Rated Current (Ir): 2A
Rated Voltage (Ur): AC 300V -
X Series
Rated Operating Temperature (Tf): 76–221°C
Rated Current (Ir): 3 A | 4 A
Rated Voltage (Ur): 250 VAC | 60 VDC -
XG Series
Rated Operating Temperature (Tf): 76–221°C
Rated Current (Ir): 3 A
Rated Voltage (Ur): AC 250 V | DC 60 V -
XM series
Rated Functioning Temp. (Tf): 125 – 150°C
Rated Current (Ir): 3A
Rated Voltage (Ur): 300VAC -
Y Series
Rated Functioning Temp. (Tf): 76 – 187°C
Rated Current (Ir): 5A
Rated Voltage (Ur): AC 250V | AC 300V -
YM series
Rated Functioning Temp. (Tf): 130 – 150°C
Rated Current (Ir): 5A
Rated Voltage (Ur): AC 300V -
S Series
Rated Operating Temperature (Tf): 102–150°C
Rated Current (Ir): 10 A
Rated Voltage (Ur): 250 V AC -
SD Series
Rated Functioning Temp. (Tf): 102 – 150°C
Rated Current (Ir): 10A
Rated Voltage (Ur): 125VDC -
SK series
Rated Functioning Temp. (Tf): 102 – 221°C
Rated Current (Ir): 10A
Rated Voltage (Ur): AC 250V -
SKL series
Rated Operating Temperature (Tf): 200–230°C
Rated Current (Ir): 10 A
Rated Voltage (Ur): 250 V AC -
SM Series
Rated Functioning Temp. (Tf): 102 – 150°C
Rated Current (Ir): 10A
Rated Voltage (Ur): AC 300V -
SY series
Rated Functioning Temp. (Tf): 95 – 145°C
Rated Current (Ir): 10A
Rated Voltage (Ur): AC 250V -
T series
Rated Operating Temperature (Tf): 102–150°C
Rated Current (Ir): 15A/16A
Rated Voltage (Ur): 250VAC -
TM Series
Rated Functioning Temp. (Tf): 102 – 150°C
Rated Current (Ir): 15A/16A
Rated Voltage (Ur): AC 300V -
TY series
Rated Functioning Temp. (Tf): 95 – 145°C
Rated Current (Ir): 15A/16A
Rated Voltage (Ur): AC 250V -
TD Series
Rated Functioning Temp. (Tf): 102 – 150°C
Rated Current (Ir): 15A/16A
Rated Voltage (Ur): DC 125V -
TK series
Rated Operating Temperature (Tf): 102–221°C
Rated Current (Ir): 15A/16A
Rated Voltage (Ur): AC 250V -
P Series
Rated Operating Temperature (Tf): 102–136°C
; Rated Current (Ir): 20 A
; Rated Voltage (Ur): AC 250 V | AC 400 V | AC 300 V | DC 120 V -
PD series
Rated Functioning Temp. (Tf): 102 – 150°C
Rated Current (Ir): 20A
Rated Voltage (Ur): DC 125V -
Q series
Rated Operating Temperature (Tf): 102–136°C
; Rated Current (Ir): 25 A
; Rated Voltage (Ur): AC 250 V | AC 400 V | AC 300 V | DC 120 V -
QD series
Rated Functioning Temp. (Tf): 102 – 150°C
Rated Current (Ir): 25A
Rated Voltage (Ur): DC 125V -
N Series
Rated Functioning Temp. (Tf): 102 – 150°C
Rated Current (Ir): 30A
Rated Voltage (Ur): AC 250V -
G Series
Rated Functioning Temp. (Tf): 102 – 150°C
Rated Current (Ir): 40A
Rated Voltage (Ur): AC 250V -
A-1A-F series
Rated Functioning Temp. (Tf): 84 – 160°C
Rated Current (Ir): 1 A
Rated Voltage (Ur): 250VAC -
A-F series
Rated Functioning Temp. (Tf): 84 – 160°C
Rated Current (Ir): 2 A
Rated Voltage (Ur): 250VAC -
A-3A-F series
Rated Functioning Temp. (Tf): 84 – 160°C
Rated Current (Ir): 3 A
Rated Voltage (Ur): 250VAC -
A-5A-F series
Rated Functioning Temp. (Tf): 84 – 160°C
Rated Current (Ir): 5 A
Rated Voltage (Ur): 250VAC