Made by advanced technology, our indoor medium voltage switchgear features stable performance, safety and reliability. The gas insulated switchgear comes in full range of specifications, and is mainly used as a monitor and protector by electric power plants, industrial and mining enterprises, secondary substation power distribution systems, and large-scale high-voltage motors.
The XGN15 series air insulated switchgear for secondary distribution system consists of cabinet and handcart. The cabinet is divided into several functional compartments by metal partitions:
1. busbar room
2. circuit breaker room
3. cable room
4. operating mechanism, interlocking mechanism, low voltage control room
As the user needs, the XGN15 type RMU can be equipped with SF6 load switches, circuit breakers, relays, CT, PT, arrestors, earthing switches, disconnectors and overcurrent, short circuit fault indicators. Circuit breakers and disconnectors can implement mechanical interlock, and can meet remote control requirements.
The main switch of the medium voltage switchgear can be of the following brands:
1. Tellhow-FLN36, FLN38 SF6 load switch, Tellhow-TZNH series vacuum circuit breaker.
2. ABB-SFG load switch, ABB-HD4 vacuum circuit breaker.
3. Schneider-SC6 load switch.
4. Imported ISM series permanent magnetic actuator vacuum circuit breaker.
| Rated voltage | kV | 12 | 24 | |
| Rated frequency | Hz | 50/60 | 50/60 | |
| Rated 1min power frequency withstand voltage | kV | 42 | 65 | |
| Rated lightning impulse withstand voltage | kV | 75 | 125 | |
| Rated current | main busbar | A | 630 | 630 |
| Branch busbar | A | 630 | 630 | |
| Rated short time withstand current | main circuit | kA | 20 | 20 |
| earthing circuit | kA | 20 | 17.4 | |
| Rated short-time withstand current duration | s | 3 | 3 | |
| Rated peak withstand current | kA | 50 | 50 | |
| Transfer current | A | 1700 | 1200 | |
| Protection class | IP | IP3× | IP3× | |
| Load switch mechanical life | times | ＞ 5000 | ＞ 5000 | |
| Earthing switch mechanical life | times | ＞ 2000 | ＞ 2000 | |
| Standard compliance | -- | IEC62271-200, IEC60420, IEC60265, GB3906 | ||
Features
1. The switchgear enclosure is made of new high quality aluminum-coated steel plate. The CNC machined enclosure has high precision and resistance to corrosion and oxidation.
2. Compact and simple structure, beautiful appearance, reasonable layout, lightweight and flexible assembly to meet different customer requirements.
3. Easy installation, flexible operation, with multiple reliable mechanical interlock and functions to prevent misuse.
4. Installation of electric mechanism, PT, CT, UPS, FTU, etc. is available for distribution automation
5. Mechanical and electrical operations are operated with the cabinet closed.
Multifunctional Modular Design
1. incoming cabinet with load switch
2. outgoing cabinet with load switch
3. metering cabinet with current transformers, voltage transformers, without measurement
4. breaker cabinet with vacuum circuit breakers, disconnector
5. lifting cabinet with surge arresters, voltage transformers, current transformers
6. PT cabinet with PT, CT and surge arresters
7. busbar cabinet with load switch, circuit breaker, disconnector, CT, PT
8. switchgear designed for different purposes according to customer requirements
| Dimensions | 12kV Switchgears | ||
| W×D×H mm | 375×1000×1635(1885) | 500×1000×1635(1885) | 750×1000×1635(1885) |
| Incoming cabinet | ■ | ■ | |
| Outgoing cabinet | ■ | ■ | |
| Metering cabinet | |
|
■ |
| Circuit breaker cabinet | |
|
■ |
| Lifting cabinet | ■ | ■ | |
| PT cabinet | ■ | ■ | |
| Busbar cabinet | ■ | ■ | |
| Customer requirements | ■ | ■ | ■ |
| Dimensions | 24kV Switchgears |
| W×D×H mm | 650×1080×2015 |
| Incoming cabinet | ■ |
| Outgoing cabinet | ■ |
| Metering cabinet | ■ |
| Circuit breaker cabinet | ■ |
| Lifting cabinet | ■ |
| PT cabinet | ■ |
| Busbar cabinet | ■ |
| Customer requirements | ■ |
Note: we can design medium voltage switchgear according to the primary system dawings provided by the customer.
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