Kyn28-12 Armoured Movable Enclosed Switchgear

• Certification: CCC, ISO9001
• Shell Material: Aluminum Alloy
• Voltage Level: Medium Voltage
• Installation: Fixed
• Structure: Withdrawable
• Standard: IEC62271-200, IEC62271-100
• Model NO.: KYN28
• Altitude: Less Than 1000 Meters
• Average Daily Relative Humidity: ≤ 95%
• Rated Short-Time Withstand Current (4s): 20, 25, 31.5, 40, 50ka
• Trademark: DGG
• Origin: China
• HS Code: 853720900
• Production Capacity: 100sets/Year

Product Description

Photos of Product

General

KYN28-12 (Z) (GZS1) Armored removable AC metal-enclosed switchgear (hereinafter referred to as "switchgear") is suitable for a three-phase AC 50Hz power system, which is used to receive and distribute energy and control, protect and monitor the circuit.

This product meets the following standards: GB3906 3 - 35kV AC metal-enclosed switchgear, GB / T 11022 common technical requirements for standards of high voltage switchgear and control equipment, IEC 60298 AC metal-enclosed switchgear, and control equipment with rated voltage above 1kV and below 50kV, DL / t404 technical requirements for ordering indoor AC high voltage switchgear.

Model And Meaning

Normal Service Conditions

1. Altitude: Less than 1000 meters
2. Ambient Temperature: Upper limit +40⁰C, Lower limit -15⁰C;
3. Humidity conditions:
    Average daily relative humidity:  ≤ 95%
    The average daily water vapor pressure does not exceed 2.2kPa
    Average daily relative humidity: ≤ 90%
    The average daily water vapor pressure does not exceed 1.8kPa
4. No frequent violent vibrating places.
5. The surrounding air shall not be obviously polluted by corrosive or combustible gas, water vapor, etc.
6. Ground oxygen intensity: no more than 8 degrees.
7. When used under normal environmental conditions exceeding the GB3906 specification, it shall be negotiated between the user and the manufacturer.

Technical Parameters
 

No.	Item			Unit	Data
1	Rated Voltage			kV	3.6, 7.2, 12
2	Rated Frequency			Hz	50
3	Rated Current of Circuit			A	630, 1250, 1600, 2000, 2500 3150, 4000
4	Rated Current of Switchgear
5	Rated Short-time Withstand Current (4s)			kA	20, 25, 31.5, 40, 50
6	Rated Withstand Current (peak)				50, 63, 80, 100, 125
7	Rated Short Circuit Breaking Current				20, 25, 31.5, 40, 50
9	Rated Short-Time Making Current (Peak)				50, 63, 80, 100, 125
10	Rated Insulation Level	1 min Power Frequency Withstand Voltage	Interphase, Between Pole to Earth	kV	24, 32, 42
			Between Fracture		24, 32, 48
		Lightning Impulse Withstand Voltage	Interphase, Between Pole to Earth		40, 60, 75
			Between Fracture		46, 70, 85
9	Protection Level			The enclosure is IP4X, and the compartment is IP2X when the door of the circuit breaker room is opened

Outline Dimension And Structure