Home Companies Qingdao Hengfengyou Electrical Engineering Co., Ltd.

KYN28-12 Medium Voltage Distribution Panel Medium Voltage Metal Clad Switchgear

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Address: N0.506 Huicheng Road, Chengyang District, Qingdao City，China

Contact name:Jack

Country/Region	china
City & Province	qingdao shandong

For monitoring temperature, insulation and mechanism of medium voltage switchgear, we developed an on-line monitoring system.

Ambient air temperature: upper limit +40°C lower limit general area -10°C;
Height: 1000 m;
Humidity: relative humidity: daily average is no more than 95%, monthly average is no more than 90%; Water vapor pressure: daily average is not greater than 2.2KPa, monthly average is not greater than 1.8KPa; Condensation may occur when the temperature plummets, accompanied by contamination. This product is suitable for the following two more severe than normal environmental conditions:
- a. Infrequent condensation (no more than twice a month on average) with mild contamination;
- b. Generally there is no condensation (no more than twice a year on average) with more serious contamination;
No fire, explosion hazard, or gases of sufficient severity to corrode metal and break insulation;
There is no place for violent vibration, jolting and vertical inclination not exceeding 80 degrees.
- a. Allow storage and transportation at -30°C.
- b. If the altitude is more than 1000m, it should be handled in accordance with JB/2102 "technical requirements for high-voltage appliances in the altitude area". When the altitude is less than 2000m, the low-voltage auxiliary equipment does not need to take any measures.
If the above normal conditions of use are exceeded, the user may negotiate with the company.

Item	Unit	Data
Rated Voltage	kV	3.6/7.2/12
Rated Frequency	Hz	50
Rated Current of Circuit Breaker	A	630/1250/1600/2000/2500/3150
Rated Voltage of Switchgear	A	630/1250/1600/2000/2500/3150
Rated Short-time Withstand Current (4s)	kA	16/20/25/31.5/40/50
Rated Peak Withstand Current (Peak Value)	kA	40/50/63/80/100/125
Rated Short-circuit Breaking Current	kA	16/20/25/31.5/40/50
Rated Short- circuit Closing Current	kA	40/50/63/80/100/125
1min Power Frequency Withstands Voltage	kV	24/ 32/ 42
Lightning Withstands Voltage / Rated Insulation Leve	kV	40/ 60/ 75
Protection Grade	Shell is IP4X/ Shell is IP2X when compartment and circuit breaker doors are open

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