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.