KYN61-40.5 Metalclad AC Enclosed Switchgear, Withdrawable Type

Selection

Operating conditions

1. Ambient air temperature: -15℃ ~+40℃ 2. Altitude: ≤1000m 3. Relative humidity : Daily average≤95%; Monthly average≤90% 4. Earthquake intensity:≤magnitude 8. 5. Applicable in the places without corrosive and flammable gas. Note: Customized products are available.

Features

1. The cabinet is made of aluminum-zinc coated sheet processed by CNC equipment and assembled with bolts or rivets, with a fully modular structure. 2. This switchgear has various functions to prevent misoperations, including preventing loaded trolleys from moving, preventing live coupling and earthing switches, and preventing inadvertent entry into live compartments. 3. The switchgear is equipped with a ZN85 vacuum circuit breaker with excellent performance and a handcart, and the main busbar is connected without the need for transitional transfer. 4. This switchgear is an advanced, stable performance, reasonable structure, easy-to- use, safe and reliable power distribution equipment

Technical data

Switchgear parameter

No.	Item		Unit	Value
1	Rated voltage		kV	40.5
2	Rated current		A	630/1250/1600/2000/2500
3	Rated frequency		Hz	50/60
4	Power frequency withstand voltage in 1 min	Phase,Earthed	kV	95
		lsolating Fracture	kV	110
5	Lightning impulse withstand voltage(Peak)	Phase,Earthed	kV	185
		lsolating Fracture	kV	215
6	Rated current of the main busbar		A	630/1250/1600/2000/2500
7	Rated current of the branch busbar		A	630/1250/1600/2000/2500
8	Rated short-circuit breaking current		kA	20/25/31.5
9	Rated short-time withstand current		kA	20/25/31.5
10	Rated peak withstand current		kA	50/63/80
11	Rated short circuit making current		kA	50/63/80
12	Frequency withstand voltage in 1min of aux control loop		V	2000
13	lnternal arc duration test(0.5s)		kA	31.5
14	Degress of protection		IP	IP4X(IP2X when the front door is opened)
15	Rated voltage of aux control loop		V	AC or DC 110/220

ZN85-40.5 parameter

No.	Item		Unit	Data
1	Rated voltage		kV	40.5
2	Rated insulation level	lightning impulse withstand voltage (full wave)	kV	185
		1 min power frequency withstand voltage	kV	95
3	Rated frequency		Hz	50
4	Rated current		kA	630	630,1250	1250,1600,2000,2500
5	Rated short -circuit breaking current		kA	20	25	31.5
6	Rated short -circuit making current		kA	50	63	80
7	Rated withstands current (peak)		kA	50	63	80
8	Rated short-time withstand current		kA	20	25	31.5
9	Fixed breaking time		s	≤0.07
10	Making time	Electro-magnetic mechanism	s	Electro-magnetic mechanism ≤0.2
		Spring mechanism	s	Spring mechanism ≤0.10
11	Rated operation sequence		/	Open-0.3s-close open-180s-close open
12	Mechanical life		times	10000

Features

Single line diagram

 

Program No.		01	02	03	04
Single line diagram
	VCB ZN85-40.5	1	1	1	1
Main electrical components	JNH1-40.5	0-1	0-1	0-1	0-1
	CT  LZZB7,8,9-40.5	/	1	2	3
Application		Overhead incoming  and outgoing feeder	Overhead incoming  and outgoing feeder	Overhead incoming  and outgoing feeder	Overhead incoming  and outgoing feeder
Note

 

Program No.		05			06			07					08
Single line diagram
Main electrical components	VCB ZN85-40.5	1			1			1					1
	JNH1-40.5	0-1			0-1			0-1					0-1
	CT  LZZB7,8,9-40.5	/			1			2					3
Application		Cable incoming and outgoing feeder			Cable incoming and outgoing feeder			Cable incoming and outgoing feeder					Cable incoming and outgoing feeder
Note

 

Program No.		09	10	11	12
Single line diagram
Main electrical components	VCB ZN85-40.5	1	1	1	1
	CT  LZZB7,8,9-40.5	/	1	2	3
Application		Left(right)communicating	Left(right)communicating	Left(right)communicating	Left(right)communicating
Note

 

Program No.		13	14	15	16
Single line diagram
Main electrical components	CT  LZZB7, 8, 9-40.5	/	1	2	3
Application		Left(right)communicating	Left(right)communicating	Left(right)communicating	Left(right)communicating
Note

 

Program No.		17	18	19	20
Single line diagram
Main electrical components	VCB LZZB7,8,9-40.5	/	1	2	3
	JNH1-40.5	0-1	0-1	0-1	0-1
Application		Overhead incoming  and outgoing feeder	Overhead incoming  and outgoing feeder	Overhead incoming  and outgoing feeder	Overhead incoming  and outgoing feeder
Note

 

Program No.		21	22	23	24
Single line diagram
Main electrical components	VCB LZZB7,8,9-40.5	/	1	2	3
	JNH1-40.5	0-1	0-1	0-1	0-1
Application		Overhead incoming  and outgoing feeder	Overhead incoming  and outgoing feeder	Overhead incoming  and outgoing feeder	Overhead incoming  and outgoing feeder
Note

 

Program No.		25	26	27
Single line diagram
	CT LZX9-40.5Q	2	3	/
Main electrical components	Fuse XPNP-40.5	3	3	3
	Arrester HY5W-51	/	/	3
Application		Potential   transformer	Potential   transformer	Potential   transformer
Note