SGC1- 12C / 40.5C Series Gas Insulated Switchgear (C-GIS)

Negotiable
China
No.6 Xianghai Road, Xiamen Torch High-tech Zone (Xiang'an) Industrial Park
+86 592 3671600
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Product Introduction

The SGC1-40.5C series gas insulated switchgear (C-GIS) is a new generation of switch products developed by XJ (Xiamen) Intelligent Power Equipment Co., Ltd. It adopts low-pressure SF6 (or N2) gas as the insulating medium inside, with vacuum circuit breakers and three-position switches as the main primary components, sealed inside the gas-filled compartment. The gas room is welded and formed from 3mm thick high-quality stainless steel plate and is not affected by the environment; it has the characteristics of reliable operation, safety guarantee, compact structural design, small footprint, maintenance-free, and long life.

The SGC1-40.5C series switchgear is a complete set of power distribution equipment for 40.5kV and 12kV three-phase AC 50Hz single busbar and single busbar sectional systems. It is mainly used for power reception, transmission, and starting of large high-voltage motors in power generation companies, small and medium-sized generators for power transmission, industrial and mining enterprise distribution, and power system substations, implementing control, protection, and monitoring.

Product Parameters

No. Item Unit Parameter
1  Rated Voltage kV 40.5  12 
2  Rated Frequency Hz 50  50 
3  Rated Current A 1250/2500 1250/2500/3150
4  Rated Insulation Level 1min Power Frequency Withstand Voltage Phase-to-phase, to ground kV 95  42 
5  Across open contacts kV 118  48 
6  Control and Auxiliary Circuit kV 2  2 
7  Lightning Impulse Withstand Voltage Phase-to-phase, to ground kV 185  75 
8  Across open contacts kV 215  85 
9  Rated Short-time Withstand Current kA/s 25、31.5/4 25、31.5、40/4
10  Rated Peak Withstand Current kA 63、80 63、80、100
11  Rated Short-circuit Breaking Current kA 25、31.5 25、31.5、40
12  Rated Short-circuit Making Current kA 63、80 63、80、100
13  Rated Operating Sequence / 0-0.3s-CO-180s-CO 0-0.3s-CO-180s-CO
14  Mechanical Life Load Switch/Circuit Breaker Times 20000  20000 
15  Disconnecting/Earthing Switch Times 5000  5000 
16  Circuit Resistance 1250A μΩ ≤120 ≤120
17  2500A μΩ ≤80 ≤80
18  3150A μΩ   ≤80
19  Rated Filling Pressure (20℃ gauge pressure) MPa 0.02  0.02 
20  Gas Annual Relative Leakage Rate Per year ≤0.01% ≤0.01%
21  Insulating Gas / SF6 SF6 or N2
22  Protection Level Compartment (IP code) / IP2X IP2X
23  Gas Tank (IP code) / IP67 IP67
24  Cabinet Body (IP code) / IP41 IP41
25  Cabinet Body (IK code) / IK10 IK10
26  Internal Arc Test (Fault Current/Duration) kA/s 31.5/1 31.5/1、40/0.5