Power Box Good Quality Made in Huanghua Group

• Customization: Available
• Certification: CCC, ISO9001
• Shell Material: Hot-DIP Al-Zn Alloy-Coated Steel Sheet
• Model NO.: mns
• Voltage Level: Medium Voltage
• Installation: Removable
• Structure: Withdrawable
• Current: AC
• Circuit Breaker: with Trollery
• Screen: LED
• Voltage: 12kv 24kv
• Requirement: Single Line Diagram
• Transport Package: Wooden
• Specification: 1000*2300*800
• Trademark: CNHK
• Origin: China
• HS Code: 8537209000
• Production Capacity: 500PCS Per Month

Product Description

KYN28A-12(Z) Metalclad AC Indoor Enclosed Switchgear,
Withdrawable type
 
 
1. General Description
1.1 Application: In the power system of 3.6 V, for control, protection and monitoring.VCBs produced
By CNHK or VCBs produced by other manufactures could be installed in the switchgear panel.
1.2 Standards : IEC 62271-200
1.3 Parameters: Rated voltage: 3.6 V
1.4 Rated current: 630-5000A
1.5 Rated short-circuit breaking current: 16 kA
 
2.Features:
2.1.Compact design
2.2.Easy operation and installation
2.3.Reliable interlock
2.4.Less Maintenance

3.Technical Data

No.	Item		Unit	Data
3.1	Rated voltage		kV	3.6,7.2,12
3.2	Rated current of circuit breaker		A	630,1250,1600,2000,2500,3150,4000,5000
	Rated current of switchgear		A	630,1250,1600,2000,2500,3150,4000,5000
3.3	Rated frequency		Hz	50
3.4	Rated short-circuit breaking current		kA	16,20,25,31.5,40,50
	Rated short-time withstand current		kA	16,20,25,31.5,40,50
	Rated short circuit continuous time		s	4
3.5	Rated peak withstand current		kA	40,50,63,80,100,125
	Rated short-circuit closing current(peak)		kA	40,50,63,80,100,125
3.6	Rated insulation level: 1min power frequency withstand voltage		kV	24,32,42 between poles, pole to earth
			kV	24,32,48 between open contacts
3.7	Rated insulation level: Lighting impulse withstand voltage(peak)		kV	40,60,75 between poles, pole to earth
			kV	46,70,85 between open contacts
3.8	Rated power frequency withstand voltage		kV	95/1min
3.9	Protection level	Switchgear shell		IP3X
		Compartments(door opened)		IP2X when the CPT and CB doors are open.

Note: 1.The short circuit capacity of the current transformer should be separately considered.
       2. See technical parameters of ZN63A(VS1)-12 in related product of our company.