| Brand | Switchgear parts |
| Model NO. | Fuseholder RT18-125-2P Fuse Holder Fuse size |
| number of poles | 2P |
| Series | RT18-125 |
What are the 3 parts of a fuse?
A fuse typically consists of three main parts:
1.Fuse Element: The fuse element is the core component of a fuse. It is a thin wire or strip of a fusible material, usually made of alloys with low melting points, such as copper, silver, or tin.
The fuse element is designed to carry the normal current of the circuit under normal operating conditions. However, when the current exceeds a certain threshold, the fuse element heats up and eventually melts or blows, interrupting the circuit and providing overcurrent protection.
2.Fuse Body: The fuse body is the protective casing or housing that encloses the fuse element. It provides mechanical support and insulation for the fuse element.
The fuse body is typically made of a non-conductive material, such as ceramic, glass, or plastic, to prevent electrical contact with the fuse element.
The fuse body also serves as a platform for mounting and securing the fuse within the fuse holder or fuse block.Fuseholder
3.End Caps or Terminals: The end caps or terminals are the connection points of the fuse. They are typically metallic and are attached to the ends of the fuse element.
The end caps or terminals provide electrical contact and allow the fuse to be inserted into the fuse holder or fuse block, creating a secure connection between the fuse and the circuit.
The end caps or terminals may have different designs or configurations depending on the type of fuse and the specific application.
These three parts work together to provide overcurrent protection in an electrical circuit. The fuse element carries the current, the fuse body protects and insulates the fuse element, and the end caps or terminals provide the electrical connection between the fuse and the circuit.
When the current exceeds the fuse’s rated capacity, the fuse element melts or blows, breaking the circuit and preventing damage to the wiring and equipment.Fuseholder
Item No.DN56122
| Product model | RT18-125 |
| Description | Fuse switch disconnector ,standard structure without null line |
| Pole | 2P |
| Mounting method | DIN rail installation |
| Wiring method | 4-50mm2 |
| Fuse size | 22*58 |
| Rated operational current le | 125A(500VAC)/100A(690VAC) |
| Rated operational voltage Ue | 500VAC/690VAC |
| Rated insulation voltage | 800V |
| Rated impulse withstangd current lpk | 6KV |
| Breaking capacity with fuse | 100KA(500VAC)/50KA(690VAC) |
| Utilization category with fuse | gG |
| LED Indicator voltage | 110-690VAC/DC |
| IP | IP20 |
| Reference standard | IEC 60269-2 GB/T 13539. |
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