GCK low voltage switch cabinet
1 Overview
Jiangxi Yikai GCK low-voltage switch cabinet series is called combined low-voltage withdrawable switch cabinet (hereinafter referred to as switch cabinet). It is suitable for power systems with AC 50~60HZ, rated working voltage AC 380V, rated insulation voltage 660V, 1600KVA and below distribution transformers as power distribution, power, lighting, reactive power compensation, and motor control centers, and is designed in a standard cabinet A hybrid system of fixed solutions and extraction solutions to meet the different needs of users.
2 Conditions of use
2.1 The ambient air temperature is not higher than +40℃, and the average temperature within 24 hours is not higher than +35℃ and not lower than -5℃;
2.2 The air is clean, and the relative humidity does not exceed 50% at a maximum temperature of +40°C. A higher relative humidity is allowed at lower temperatures, such as 90% at +20°C;
2.3 There is no risk of fire, explosion, severe dust, chemical corrosion and severe vibration;
2.4 The altitude does not exceed 2000m;
2.5 The switch cabinet is suitable for transportation and storage at the following temperatures, -25℃~+55℃, and shall not exceed +70℃ in a short period of time (not exceeding 24h);
2.6 If the above conditions of use cannot be met, the user and the manufacturer shall negotiate and resolve the problem.
3 technical parameters
Rated operating frequency | 50~60 |
Rated working voltage (V) | 380 |
Rated insulation voltage (V) | 660 |
Rated operating current of horizontal busbar (A) | 630, 1000, 1600, 2500 |
Rated operating current of pluggable busbar (A) | 630, 800, 1000, 1600 |
Main circuit connector (A) | 200, 400 |
Auxiliary circuit connector (A) | 10 |
Feeding circuit *** current (A) | 1600 |
Power receiving current (A) | 1000, 1600, 2000, 2500, 3200 |
Rated short-time withstand current of main busbar effective value for 1 second (KA) | 30, 50, 80 |
Rated short-time withstand current peak value of main busbar (KA) | 63, 105, 176 |
Power frequency withstand voltage for 1 minute (V) | 2500 |
Control motor capacity (KW) | 0.5~320 |
Shell protection level (level) | IP30 |
