SYPV-30 Photovoltaic Direct Current Fuses
Overview details
A fuse is an essential electrical safety device that plays a crucial role in protecting electrical circuits and equipment.
The main function of a fuse is to interrupt the flow of electrical current in the event of an overcurrent condition. When the current flowing through a circuit exceeds a certain threshold, the fuse element within the fuse melts or blows, thereby opening the circuit and preventing excessive current from flowing. This protects the electrical components downstream from damage due to overheating and potential fire hazards.
For example, in a household electrical circuit, a fuse may be rated to handle a specific current load. If a fault occurs, such as a short circuit or an overload caused by too many appliances being connected at once, the fuse will quickly cut off the power supply to prevent damage to the wiring, outlets, and other electrical devices.
Fuses also provide protection against electrical surges and spikes. These transient events can cause significant damage to sensitive electronic equipment. By acting as a sacrificial element, a fuse can absorb the energy of a surge and break the circuit before the surge can reach and damage the connected devices.
In addition to its protective function, a fuse also serves as an indicator of a problem in the electrical circuit. When a fuse blows, it alerts the user or electrician that there is an issue that needs to be addressed. This can help in quickly identifying and resolving electrical faults, minimizing downtime and potential damage.
Moreover, fuses come in different types and ratings to suit various applications. There are low-voltage fuses for household and commercial use, as well as high-voltage fuses for industrial and power distribution systems. Each type is designed to handle specific current and voltage levels, ensuring optimal protection for the intended application.
In conclusion, fuses are indispensable components in electrical systems. They provide reliable protection against overcurrent, surges, and faults, safeguarding electrical circuits and equipment and ensuring the safety and proper functioning of electrical installations.
Main technical parameters
|
Type |
SYPV-30 |
|
Fuse size |
10*38MM |
|
Poles |
1P |
|
Rated voltage |
DC1000V |
|
Rated current |
1、2、3、4、5、6、8、10、12、15、20、25、30A |
|
Short-circuit breaking capacity |
33KV |
|
Max power attenuation |
3.5W |
|
Protection grade |
IP20 |
|
Connection |
2.5-10mm² |
|
Operation ambient temperature |
-30~+70℃ |
|
Resistance and damp hot |
Class2 |
|
Elevation |
≤2000 |
|
Installation way |
TH35-7.5/DIN35 Rail installation |
|
RH（relative air humidity） |
When+20℃，not exceed95%；when+40℃，not exceed 50% |
|
Pollution class |
3 |
|
Installation environment |
The place of no abvious vibrate &impact |
|
Installation class |
III |
|
W*H*L |
W18*H89*L90mm |
|
Weight（kg） |
0.07 |
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