Product Overview
The CY-KYN28A-12 series indoor AC metal armored mid mounted switchgear (hereinafter referred to as switchgear) is an advanced medium voltage switchgear. It is suitable for three-phase AC power systems with a rated voltage of 12KV and a rated frequency of 50Hz, used to receive and distribute electrical energy, and to control, protect, and detect circuits.
Compliant with standards
GB3906-2006 "3-35KV AC Metal Enclosed Switchgear"
GB11022-1999 "General Technical Conditions for High Voltage Switchgear"
IEC298 (1990) "AC metal enclosed switchgear and control equipment for rated voltages above 1KV and below 50KV"
DL404-97 "Technical Conditions for Indoor AC High Voltage Switchgear Cabinet Ordering"
Operating ambient temperature
? Environmental temperature: maximum temperature+40 o C; Minimum temperature -10 o C;
Environmental humidity: Daily average relative humidity ≤ 95%; Monthly average relative humidity ≤ 90%;
? Altitude: below 1000m;
? Seismic resistance: The seismic intensity shall not exceed 8 degrees;
The surrounding air should be free from obvious pollution such as corrosive or combustible gases, water vapor, etc;
No severe pollution or frequent severe vibration, and the severity design meets Class 1 requirements under harsh conditions;
When used under normal environmental conditions exceeding the requirements of GB3906, it shall be negotiated between the user and the manufacturer.
Note: 1. When the relative humidity is greater than 70%, electric heating should be turned on;
2. Any place with an altitude exceeding 1000m shall be treated in accordance with JB/Z102-71 regulations.