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550 Modularized Omni-Sealed Solid Insulation Metal-Clad Switchgear

Basic Info

Model No.:  KYN 28

Product Description



Model NO.: KYN 28


Installation: Outdoor & Indoor High-Voltage


Grounding Mode: Grounding


Structure of Operating: Electric & Manual


Brand: Mingde


Power Frequency Withstand Voltage(1min): 42 Kv


Rated Current: 630/1250/1600/2000/2500/3150/ 4000 a


Rated Thermal Arrest Current(4s): 25/ 31.5/ 40/ 50/ 63 Ka (Valid)


Specification: OHSAS/ OHSMS 18001, ISO9001


HS Code: 8535210000




Type: High-voltage


Operation: Manual & Electric


Series: Three


Certification: ISO, ISO9001


Rated Voltage: 12 Kv


Lightning Impulse Withstand Voltage: 75 Kv


Rated Dynamic Current: 50/30/100 Ka


Trademark: Mingde Circuit Breaker


Origin: Cixi, Ningbo Circuit Breaker


550 Modularized Omni-sealed Solid Insulation Metal-Clad Switchgear



Product Overview



KYN28(MDGear3)-12 metal-clad mid-mounted High Voltage Switchgear(hereinafter called as"switchgear") is a three phase AC 50 Hz distribution device of single busbar and its sectional system. It is mainly used to receive and distribute 3.6~12kv network power and to control, protect, and supervise circuits for the power supply of plant, transformer substation, industrial and mining enterprises and civil architecture etc. The product can be used together with VS1, VD4, VB2, 3AH5, 10-VPR Vacuum Circuit Breaker; it is a superior power distribution unit for performance.



Parameters of KYN28 (MDGear2)-12





Items Unit Parameters
Rated Voltage kV 12
Power Frequency Withstand Voltage(1min) kV 42
Lightning Impulse Withstand Voltage kV 75
Rated Current A 630, 1250, 1600, 2000, 2500, 3150, 4000
Rated Dynamic Current KA(peak value) 50, 30, 100
Rated Thermal Arrest Current(4s) KA(valid) 25, 31.5, 40, 50, 63
Protection Level Enclosure IP4X, Interval IP2X
Dimension of the Enclosure Width 800,1000 1250A/31.5KA
650×1300×1300(available)
mm Depth 1500,1600
Height 2300


550 Modularized Omni-Sealed Solid Insulation Metal-Clad Switchgear

A- Busbar Compartment

B- Circuit Breaker Compartment

C- Cable Compartment

D-Relay Instrument Room







Production Show



550 Modularized Omni-Sealed Solid Insulation Metal-Clad Switchgear





Factory Show



550 Modularized Omni-Sealed Solid Insulation Metal-Clad Switchgear





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