Dingli Electric's main products include five series: environmentally friendly ring network cabinets, environmentally friendly high-voltage metering cabinets, deeply integrated pole-mounted switches, European-style box-type transformers, Siemens-authorized NXAirsLP medium-voltage cabinets and SIVACON 8PT low-voltage cabinets, and Eaton-authorized RVAC series ring network cabinets, etc.
DLN100-12
SF6 insulated ring network metal-enclosed switchgear
DLN100-12 type SF6 ring main metal-enclosed switchgear, with complete equipment functional units and flexible expansion methods, can achieve isolation, control, and protection of power distribution lines: mainly featuring electric energy transmission and distribution, load switching, multi-level feeding, automatic fault diagnosis and switching functions, applicable to indoor substations, compact substations, wind power stations, underground substations, etc., such as municipal lighting, schools, hospitals, factories, residential areas, etc.
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- Product Overview
The DLN100-12 type SF6 ring main metal-enclosed switchgear has complete equipment functional units, flexible expansion methods, and can achieve isolation, control, and protection of power distribution lines: mainly featuring electric energy transmission and distribution, load switching, multi-level feeding, and automatic fault diagnosis and switching functions. It is applied to indoor substations, compact substations, wind power stations, and underground substations such as municipal lighting, schools, hospitals, factories, and residential areas.
- Product Features
●The electrical parameters of this product fully meet the requirements of high-quality equipment.
● This equipment has a compact structure, with all gas boxes 325mm wide, a small footprint, and low cost.
● The three cabinet types of this product have exactly the same external dimensions and completely unified overall structure, with a beautiful appearance.
● The interfaces of various functional modules of this equipment are unified, and the product is standardized, modularized, and serialized, providing users with a complete primary power distribution solution.
● The primary main circuit of this equipment is fully sealed, using SF6 gas insulation, with high insulation strength, high safety, and high reliability.
● The load switch unit adopts an arc extinguishing grid structure, with a simple arc extinguishing chamber structure and long life.
● Advanced laser cutting and welding manufacturing technology, the product life can reach 30 years.
● Complete production line production process control, product consistency and stability are leading in China.
- Product Parameters
Serial Number | Project Name | Unit | Parameter Value | |
1 | Rated Voltage | kV | 12 | |
2 | Rated Frequency | Hz | 50 | |
3 | Rated Current | Load switch cabinet, circuit breaker cabinet, metering cabinet | A | 630 |
Combination electrical cabinet | 125 | |||
4 | Rated short-time power frequency withstand voltage (1min, RMS) | Between breaks | kV | 48 |
Phase-to-phase, phase-to-ground, vacuum break | 42 | |||
Auxiliary and control circuits | 2 | |||
5 | Lightning impulse withstand voltage peak (1.2/50μs) | Between breaks | kV | 110 |
Phase-to-phase, phase-to-ground, vacuum break |
| 95 | ||
6 | Partial discharge level | pC | ≤10 | |
7 | Rated short-time withstand current (excluding combination electrical cabinets) | kA | 20 | |
8 | Rated peak withstand current (excluding combination electrical cabinets) | kA | 50 | |
9 | Rated short-circuit duration (excluding combination electrical cabinets) | S | 4 | |
10 | Ground switch short-circuit closing capacity (high-quality equipment) | Times | 5 | |
11 | SF₆ gas pressure (20℃ gauge pressure) | Rated pressure | Mpa | 0.04 |
Minimum working pressure | 0.02 | |||
12 | SF₆ gas annual leakage rate (high-quality equipment) | %/year | ≤0.05 | |
13 | SF₆ gas humidity (volume fraction) | ppm | ≤500 | |
14 | Internal arc test (20kA) (cable chamber and gas box) (high-quality equipment) | S | 1 (AC) | |
15 | Isolation switch/ground switch mechanical life | Times | 3000 | |
16 | Protection level | Gas box |
| IP67 |
Cabinet |
| IP4X | ||
- Application Environment
● Applicable places: DLN100-12 type SF6 ring main metal-enclosed switchgear is suitable for 12kV secondary power distribution systems, used in ring main power supply, double-radiation power supply, cable-fed networks in industrial and commercial areas, and power supply load and density in rural towns and villages are high areas.
● Location of use: Indoor
● Ambient air temperature: -25°C~+45°C
● Altitude: Not exceeding 5000m (If the altitude exceeds 1000m, please specify when ordering).
Please contact us for other special usage conditions.
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Recommend Products
The main products of Dingli Electric are five series: environment-friendly ring network cabinet, environment-friendly high-voltage metering cabinet, deep fusion column switch, European box transformer, Siemens authorized NXAirsLP medium-voltage cabinet and SIVACON 8PT low-voltage cabinet, Eaton authorized RVAC series ring network cabinet, etc.
