Low Voltage Drawout Switchgear
Jinneng electric GCS low voltage drawout switchgear is a type of low-voltage power distribution equipment in which core functional units (such as circuit breakers) are installed in withdrawable drawers.It features safety, flexibility, convenient maintenance and high reliability, and is widely...
- Product Introduction
Jinneng electric GCS low voltage drawout switchgear is a type of low-voltage power distribution equipment in which core functional units (such as circuit breakers) are installed in withdrawable drawers.It features safety, flexibility, convenient maintenance and high reliability, and is widely used in industrial, commercial and civil low-voltage power distribution systems.
Model meaning
Technical parameters
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Item |
Parameter |
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Main circuit rated voltage (V) |
Alternating 380V(400V),(690V) |
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Auxiliary circuit rated voltage (V) |
Alternating 220,380(400) |
Direct 110/220 |
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Rated frequency (Hz) |
50(60) |
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Rated insulation voltage (V) |
690(1000) |
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Rated current (A) |
Horizontal bus, Vertical bus (MCC) |
≤ 5000,1600 |
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Bus rated short-time withstand current (kA/1s) |
50-100kA,50kA |
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Bus rated peak withstand current (kA/0.1s) |
105-250kA,105kA |
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Power frequency test voltage (V/1min) |
Main circuit, auxiliary circuit |
2500,1760 |
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Busbar configuration |
Three-phase four-wire, three-phase five-wire |
A,B,C,PEN,A,B,C,PE,N |
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Class of protection |
IP30,IP40 |
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MNS GCK switchgear comparetion
| Item | GCS | MNS | GCK |
|---|---|---|---|
| Standard & Rated Parameters | Complies with GB/T 7251.1, rated voltage ≤660V, horizontal busbar ≤4000A, short-time withstand current 50/80kA | Complies with IEC 61439 / GB/T 7251, rated voltage ≤660V, horizontal busbar ≤6300A, short-time withstand current up to 100kA | Complies with GB/T 7251, rated voltage ≤660V, horizontal busbar ≤4000A, short-time withstand current 30/50kA |
| Drawer Modulus & Density | 20mm module, 1/2 module (160mm height), up to 11 drawers per cabinet | 25mm module, 1/4 module (50mm height), suitable for high-density small-current circuits | 200mm standard unit, generally 9 drawers per cabinet, suitable for medium and large circuits |
| Mechanical Interlocking | 3 positions: Connect / Test / Disconnect | 4 positions: Connect / Test / Disconnect / Remove | 3-position interlocking, cost-effective |
| Structure & Material | 8MF section steel, 3-compartment isolation | Hot-dip galvanized steel, fully modular, IP54 optional | C-profile modular structure |
| Typical Application | Power plants, petrochemical, metallurgy | Data centers, high-rise buildings, international projects | General industrial & civil distribution |
| Cost | Medium | High | Economic |
Selection Suggestion
High reliability & heavy current & industrial impact: GCS
High density & data center & overseas projects: MNS
General factory & community & limited budget: GCK
Feature and advantages
Product Application Scenarios
GCS type low-voltage withdrawable switchgear is mainly used for power distribution, control and protection in industrial and civil buildings. Adopting a modular structure, it features high breaking capacity, strong protection grade and reliable earthing system. It is commonly used in the final power supply links of power distribution rooms, data centers and large office premises.
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