| Type | Rated voltage (kV) | Maximum operating voltage (kV) | Rated current (A) | Breaking current (kA) | Power frequency dry withstand voltage (kV) | Power frequency wet withstand voltage (kV) | Impulse voltage (kV) | Creepage distance (mm) | Weight (kg) |
| RW3-12/100 | 10 | 12 | 100 | 6.3 | 42 | 30 | 75 | 230 | 5.4 |
| RW3-12/200 | 10 | 12 | 200 | 8 | 42 | 30 | 75 | 230 | 5.6 |
Here are some details about it:
1.Purpose and Function:
1)The RW3-12kv cutout serves as a protective device in overhead power distribution systems.
2)When excessive current flows through the system due to a fault (such as a short circuit), the fuse element inside the cutout melts, causing the circuit to open and disconnect.
3)This action prevents damage to transformers, lines, and other equipment downstream.
2.Components:
1)Fuse Element: The core component that melts when current exceeds a specified level.
2)Casing: The outer shell made of weather-resistant materials (metal or plastic) that encloses the fuse element.
3)Operating Mechanism: Triggers the disconnection when the current exceeds the set limit (e.g., a spring-loaded arm or a melted fuse link).
4)Terminal Connections: Allow the cutout to connect to the electrical system (via screw terminals or plug-in connections).
5)Indicator: Some cutouts have an indicator (like a flag or light) to show when the fuse has “dropped out.”
3.Applications:
1)Distribution Networks: Used in primary overhead feeder lines and taps.
2)Residential Systems: Protects residential circuits.
3)Equipment Safeguarding: Ensures motors and other electrical equipment remain safe during faults.
