第1年
高强度六角头电力紧固件螺栓
悬垂线夹（中心回转式）
高强度风电锚栓8.8级
DT铜接线端子
概述
用于在3.6至24kV的电力系统中控制，保护和监视。
技术参数：
No. | Item | Unit | Data | |
3.1 | Rated voltage | kV | 3.6,7.2,12,24 | |
3.2 | Rated current of circuit breaker | A | 630,1250,1600,2000,2500,3150,4000,5000 | |
Rated current of switchgear | A | 630,1250,1600,2000,2500,3150,4000,5000 | ||
3.3 | Rated frequency | Hz | 50 OR 60 | |
3.4
| Rated short-circuit breaking current | kA | 16,20,25,31.5,40,50 | |
Rated short-time withstand current | kA | 16,20,25,31.5,40,50 | ||
Rated short circuit continuous time | s | 4 | ||
3.5 | Rated peak withstand current | kA | 40,50,63,80,100,125 | |
Rated short-circuit closing current(peak) | kA | 40,50,63,80,100,125 | ||
3.6 | Rated insulation level: 1min power frequency withstand voltage | kV | 24,32,42 between poles, pole to earth | |
kV | 24,32,48 between open contacts | |||
3.7 | Rated insulation level: Lighting impulse withstand voltage(peak) | kV | 40,60,75 between poles, pole to earth | |
kV | 46,70,85 between open contacts | |||
3.8 | Rated power frequency withstand voltage | kV | 95/1min | |
3.9 | Protection level | Switchgear shell | IP40 | |
Compartments(door opened) | IP2X when the CPT and CB doors are open. | |||
