

Product introduction
Hxgn-12 type ring network switch cabinet is suitable for three-phase ac 50Hz,rated voltage 12KV ring network power supply and double radiation power supply system.As the control and protection device of electric energy,ring network cabinet is used for terminal power supply,and it can also be installed in 2-box substation.Hxgn-12(F)is equipped with 2 vacuum load switch,and hxgn-12(FR)is equipped with vacuum load switch-fuse combiner,The products meet the requirements of GB/T3804、GB/T3906 and other standards.
Features
The shell framework of Hxgn-12 vacuum ring network equipment adopts sectional assembly structure and module design.The types of cabinet can be combined at will according to different schemes,which is convenient.It can be installed against the wall,and it occupies little space.The height of cable terminalis less than 700mm,and all parts in the cabinet shalladopt reasonable surface treatment to meet the requirements of mechanism performance and service life.The insulation parts used are large climbing cabinets with flame retardant performance.The cabinet is equipped with a vacuum load switch,which is composed of an isolating knife and a vacuum arc extinguishing chamber. With the characteristics of compact structure and excellent performance,it can not only be operated by manual energy storage and closing and opening the gate,but also operated by electric energy storage and closing the gate.Opening and closing operation torque is small,so it is light and simple to operate.Five prevention locking function is safe and reliable.The protection level is IP2X.
Technical parameters
名称 Name | 单位 Unit | HXGN-12(F)负荷开关柜 HXGN-12(F)Load switch cabinet | HXGN-12(FR)负荷开关-熔断器柜 HXGN-12(FR)Load switch-fuse cabinet | ||
额定电压The rated voltage | kV | 12 | |||
额定频率Rated frequency | HZ | 50 | |||
额定电流 Rated current | 主母线Mistress line | A | 630 | ||
负荷开关Load switch | 630 | ||||
熔断器最大额定电流Maximum rated current of fuse | 125 | ||||
额定短时耐受电流(4S) Rated short time withstand current(4S) | kA | 20 | 取决于熔断器 Depends on the fuse | ||
r.m.s | |||||
额定峰值耐受电流及关合电流 Rated peak withstand current and closing current | kA | 50 | 取决于熔断器 Depends on the fuse | ||
Peak | |||||
额定开断电流 Rated breaking current | 有功负载电流active load current | A | 630 | ||
5%有功负载电流5%active load current | 31.5 | ||||
闭环回路电流Closed loop current | 630 | ||||
空载变压器No-load transformer | kVA | 315-1600 | |||
电缆充电电流Cable charging current | A | 10 | |||
转移电流Transfer current | 3150 | ||||
额定短路开断电流Rated short circuit breaking current | kA | 31.5 | |||
1 m i n 工 频 耐 压 Power freouency withstand voltage | 相间及对地Phase and ground 隔离断口Isolation fracture e | kV | 42/48 | ||
雷电冲击耐压 Lghting mpactvolag | 75/48 | ||||
外形尺寸(宽×深×高)Shape size(W×D×H) | mm | 900×900×2200 | |||
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