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Frame current Inm: 250A, 400A, 600A, 1000A

In: 160A, 200A, 250A, 300A, 400A, 500A, 600A, 800A, 1000A

Frame current Inm: 250A, 400A, 600A, 1000A

In: 160A, 200A, 250A, 300A, 400A, 500A, 600A, 800A, 1000A

IEC/EN 61008-1
IEC/EN 62423 & IEC/EN 61008-1
In (A)
25, 40, 63, 80, 100
2P, 4P
Ue (V)
AC, A, AC-G, A-G, AC-S, A-S
Rated Sensitivity (mA)
30, 100, 300,500
30, 100, 300
Short-circuit Current (A)
Pollution Degree
Protection Degree

Frame size (A) 125~1600

Rated ultimate short circuit breaking capacity Icu(kA): 25/36/50/70/100/150

Rated service short circuit breaking capacity Ics(kA):Ics=100%Icu

Rated voltage Ue: AC220/230/240/380/400/415/440/500/660/690, DC250/500/750/1000V

Tripping type: Thermal magnetic (TM), Magnetic (M), Electronic (EN&EM)

Elec calc Suite including a set of features for the design、 sizing and protection of LV and HV installations.

Elec calc Suite is useful all along the lifecycle of an electric installation, from the early design up to the maintenance, including the production and inspection. Elec calc Suite meets the needs of all the stakeholders related to the electrical installation: design and engineering offices, contractors, industry and services, inspection bodies, facility managers as well as the universities for its educational qualities.

Elec calc Suite includes all the features necessary to ensure the proper operation of any electrical network from generation to consumption, optimizing the sizing of cables and protections throughout the network.

The PV Intelligent Charging & Storage Solution not only integrates photovoltaic power generation, energy storage systems and charging terminal equipment, but also greatly increases the proportion of photovoltaic self-generation and self-use, and increases customer investment income.


Nominal voltage (Un): 3×120~138/208~240V, 3×220~240/380~415V

Operating range: 0.85Un ~ 1.15Un

Power consumption: ≤1W, 5VA


CT: 1.5(6)A

DC: 5(80)A



Protocol: Modbus-RTU and DL/T645-2007

The rated voltage is 72.5/145kV/252KV

KYN28 series product is suitable for indoor and outdoor substation installation

The rated current is from 3150A to 4000A

Double seal O-ring design annual leakage rate ≤0.1%

Minimum design each bay to bay 0.8m

Passed the complete KEMA type tests of the Netherlands

Only one in the industry passed BC2 type test at KEMA test station

Withstand ambient temperature up to +55℃

The raged voltage is from the 66KV to 1000KV

High resistance to short circuit, strong bearing capacity and high reliability

60dB low noise

Low- loss: 20% lower than national standard

Meet special needs of different customers, and provide customized products for the data center

KYN28 series product is suitable for indoor substation installation

The typical rated voltage is for the 3.3-24KV, the Rated current ranges is from 630A to 5000A

Circuit breaker pole, contact box, and wall bushing are made of polyamide 66 material for safety and environment-friendliness

Five-prevention interlock for safety and reliability

Cabinet width 650mm, the industry average width 800mm, space saving 25%

The structure, electric field and heating state are simulated by CAE; 100% simulation of various operation conditions

Zhejiang CHINT Electrics Co., Ltd.