SRM16-12/24 Fully Insulated Gas-Insulated Switchgear
Classification:
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Product Description
Product Overview
The SRM16-12/24 fully insulated gas-insulated switchgear is widely used in 10kV/20kV distribution systems and is the preferred switch product for various users' transformation and distribution systems in urban and rural areas.
The switchgear adopts a modular unit mode, which can be combined according to different purposes; it consists of fixed unit combinations and expandable units, meeting the needs of various substations for flexible use of compact switchgear.
The SRM16-12/24 fully insulated gas-insulated switchgear is a completely sealed system, with all live parts and switches enclosed in a stainless steel housing. The entire switch device is not affected by external environmental conditions, ensuring operational reliability and personal safety, and achieving maintenance-free operation. By selecting expandable busbars, any combination can be achieved, reaching full modularization. The expandable busbars are safely insulated and shielded, ensuring high reliability and safety. The SRM16-12/24 gas-insulated switchgear can also provide TV-based automation solutions, forming the concept of intelligent switching and minimizing on-site installation and debugging workload.
The SRM16-12/24 fully insulated gas-insulated switchgear is divided into non-expandable standard configuration and expandable standard configuration. Due to its full modular and semi-modular combinability and its own expandability, it possesses extremely special flexibility.
The SRM16-12/24 fully insulated gas-insulated switchgear complies with GB standards. Its design life exceeds 30 years under indoor conditions (40°C) and outdoor conditions (-50°C).
Performance Indicators
◆ SF6 Gas Pressure
◇ Absolute pressure at 20°C is 1.4 bar
◇ Annual gas leakage rate 0.2‰/year
◇ Protection level IP67
◇ Thickness of gas chamber stainless steel 3.0mm
◆ Busbar
◇ Busbar inside the switchgear 400mm²cu
◇ Ground busbar of the switchgear 150mm²Cu
◆ Color
◇ Front panel of the switchgear RAL7012
◇ Side panels and front cover of the cable chamber RAL7035
◆ Normal Operating Environmental Conditions
◇ Maximum temperature 40°C
◇ Minimum temperature -50°C
◇ Maximum average relative humidity ≤95%
◇ Altitude ≤2000 meters
◆ Compliance Standards
◇ GB/T11022
◇ GB16926
◇ GB3309
◇ IEC60056
◇ IEC60298
◇ GB3906
◇ GBI985
◇ GB38041
◇ GBI984
◇ GB3906
◇ GBI985
◇ GB38041
◇ GBI984
Technical Parameters
| Item |
Unit |
C Module |
F Module |
V Module |
CB Module |
||
| Load Switch |
Combined Electrical Appliance |
Vacuum Switch |
Isolating/Grounding Switch |
Vacuum Circuit Breaker |
Isolating/Grounding Switch |
||
| Rated Voltage |
kV |
12 |
12 |
12 |
12 |
12 |
12 |
| Rated Frequency |
Hz |
50 |
50 |
50 |
50 |
50 |
50 |
| Power Frequency Withstand Voltage (Phase to Phase/Break) |
kV |
42/48 |
42/48 |
42/48 |
42/48 |
42/48 |
42/48 |
| Lightning Impulse Withstand Voltage |
kV |
75/85 |
75/85 |
75/85 |
75/85 |
75/85 |
75/85 |
| Rated Current |
A |
630 |
Note 1) |
630 |
|
1250/630 |
|
| Breaking Capacity |
|
|
|
|
|
|
|
| Rated Closed Loop Breaking Current |
A |
630 |
|
|
|
|
|
| Rated Cable Charging Breaking Current |
A |
10 |
|
|
|
|
|
| Rated Short-Circuit Closing Current (Peak) |
A |
50 |
80 |
|
|
|
|
| Rated Peak Withstand Current |
kA |
50 |
|
|
|
|
|
| Rated Short-Time Withstand Current |
kA/s |
20 |
|
|
|
|
|
| Rated Short-Circuit Breaking Current |
kA |
|
31.5 |
20 |
|
25 |
|
| Rated Transfer Current |
A |
|
1700 |
|
|
|
|
| Maximum Current of Fuses Used |
A |
|
125 |
|
|
|
|
| Loop Resistance |
μΩ |
≤300 |
≤600 |
|
|
|
|
| Mechanical Life |
Times |
5000 |
3000 |
5000 |
2000 |
5000 |
5000 |
Note: 1) Depends on the current rating of the fuse.
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