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Scope of ApplicationGCK (functionally equivalent to or superior to GCL) low-voltage withdrawable switchgear (hereinafter referred to as "switchgear") is suitable for AC three-phase four wire and three
Scope of Application
GCK (functionally equivalent to or superior to GCL) low-voltage withdrawable switchgear (hereinafter referred to as "switchgear") is suitable for AC three-phase four wire and three-phase five wire systems with a rated working voltage of 380V. It is used for power receiving, feeding, reactive power compensation, energy metering, lighting, and centralized control of electric motors in power plants, substations, industrial and mining enterprises, and high-rise buildings.
This product complies with the standards of GB7251 "Low voltage switchgear and control equipment", JB/T9661 "Low voltage withdrawable switchgear", and IEC439 "Low voltage switchgear and control equipment".
2. Rated working voltage: 380V, 660V;
3. Rated voltage of auxiliary circuit: AC220V, 380V, DC110V, 220V;
4. Rated frequency: 50Hz~(60) Hz;
5. Rated current: Horizontal busbar ≤ 3150A; Vertical busbar 630A, 800A, 1200A;
6. Rated short-time withstand current: 50, 80kA/1s, neutral bus 30kA/1s;
7. Rated peak current: 105, kA/0.1s,50kA/0.1s;
8. Function unit (drawer) breaking capacity: 50kA (effective value);
9. Shell protection level: IP30, IP40;
10. Busbar settings: three-phase four wire system, three-phase five wire system;
11. Operation mode: local, remote, automatic.
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