24kV Auto Recloser
- Breaking Capacity
- High Voltage Circuit Breakers
- Operation
- Electric Type
- Speed
- Normal Type Circuit Breaker
- Arc-extinguishing Medium
- Vacuum
- Installation
- Fixed
- Structure
- Vcb
Overview
24kV Auto Recloser is a outdoor distribution equipment with AC 50HZ,rated voltage 12KV and three-phase ac. It is mainly used for open circuit power distribution network and close the load current, overload current, short circuit current in power system.It is suitable for the transformer substation and factory power distribution system for protection and control use. Especially suitable for urban power grid and rural power grids.
Service Condition
1. Ambient Temperature: -40ºC~+65ºC,daily temperature≤25ºC;
2. Altitude: ≤2000m
3. Wind speed: ≤35m/s
4. Earthquake intensity: ≤8
5. Anti-fouling property: IV level
6. Installation site: Not putting inflammable, explosive, chemical corrosion.
Technical Parameters
NO. | Item | Unit | Numeric | |
1 | Nominal Voltage | KV | 12 | |
2 | Rated Frequency | HZ | 50 | |
3 | Rated Current | A | 630/1250 | |
4 | Rated Short-circuit Breaking Current | KA | 20 | |
5 | Rated Stability rated current | KA | 50 | |
6 | RMS/Rated the rmal stabilization | KA/S | 20/4 | |
7 | Mechanism life | Times | 10000 | |
8 | Rated short-circuit closing breaking Number | Times | 30 | |
9 | Rated operating sequence | O-0.3s-CO-180s-CO | ||
10 | Rated breaking current number | Tmes | 10000 | |
11 | Rated short-circuit close-open current | KA | 50 | |
12 | 1min Power-frequency withstand | Dry | KV | 42/48 |
Wet | KV | 34 | ||
13 | Lighting impulse withstand voltage(Peak Value) | KV | 75/85 | |
14 | Secondary circuit 1min Power-frequency withstand | KV | 2 |