40.5kv Metal Armored Switchgear

KYN61-40.5 metal armored switchgear is designed according to the armored metal-enclosed switchgear in GB3906-2006. It is suitable for three-phase AC rated voltage 40.5kV, rated frequency 50Hz power system. It is used for receiving and distributing electric energy and controlling, protecting and...

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Description

Technical specifications

Rated voltage (KV): 40.5

Power frequency withstand voltage (KV): 95 (1min)

Impulse withstand voltage (KV): 185

Rated frequency: 50Hz

Rated current (A): 1250/1600/2000

Rated thermal stability current (KA 4S): 25/31.5/40

Rated dynamic stability current (KA): 63/80

Rated short-circuit breaking current (KA): 25/31.5/40

Rated short-circuit making current (KA): 63/80

Rated voltage (V) of opening and closing and auxiliary circuits DC: 24, 36, 48, 60, 110, 220, AC: 110, 220

Protection level: IP3X

Use environmental conditions

(1) Normal environmental conditions

1. The upper limit of ambient air temperature: +40℃, the lower limit: -10℃, and the daily average temperature does not exceed 35℃;

2. The altitude does not exceed 1000m;

3. The relative ambient temperature is not more than 95% daily, and the monthly average is not more than 90%;

4. The earthquake intensity does not exceed 8;

5. The daily average value of water vapor pressure does not exceed 2.2Kpa, and the monthly average value does not exceed 1.8kpa;

6. There is no fire hazard, serious pollution, chemical corrosion and severe place in this building.

(2) Special working conditions, please communicate with us

Metal Armored Switchgear

Main features

1. The cabinet structure adopts the assembled type, and the circuit breaker adopts the handcart floor type structure;

2. Equipped with a new type of composite insulated vacuum circuit breaker, and has the characteristics of good interchangeability and simplicity;

3. A screw nut pushing mechanism is installed in the handcart frame, which can easily move the handcart and prevent misoperation from damaging the propulsion structure;

4. All operations can be carried out with the cabinet door closed;

5. The interlocking between the main switch, handcart and switch cabinet door adopts mandatory mechanical locking method

6. There is ample space in the cable room and multiple cables can be connected;

7. The fast grounding switch is used for grounding and closing short-circuit;

8. The protection level of the shell is IP3X, and the protection level is IP2X when the door of the handcart room is opened;

9. The product complies with GB3906-2006, DL/T 04-2007 and adopts the international IEC 928 standard by reference.

40.5kv Switchgear