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MV Switchgear

HJ-MCS-40 Series Metal-Clad Switchgear

Name: HJ-MCS-40 Series Metal-Clad Switchgear
Brand: HJATIS

The HJ-MCS-40 Series is 40.5 kV air-insulated, metal-clad withdrawable switchgear for three-phase 50/60 Hz systems. Catalogue ratings extend to 2500 A and 31.5 kA short-time withstand.

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HJATIS

PUBLISHED PRODUCT DATA

Catalogue ratings and configurations.

The project data sheet should state the selected rating, options and site conditions.

Technical Specifications

Technical Specifications
System & Power Parameters
Rated Voltage (Ur)	36 kV / 40.5 kV
Rated Frequency (fr)	50 Hz / 60 Hz
Rated Main Busbar Current (Ir)	1250 A / 2000 A / 2500 A / 3150 A
Withstand & Protection Ratings
Short-Time Withstand Current (Ik)	25 kA / 31.5 kA (3s)
Peak Withstand Current (Ip)	63 kA / 80 kA
Power Frequency Withstand Voltage	95 kV (1 min)
Lightning Impulse Withstand (BIL)	185 kV / 200 kV
Internal Arc Classification (IAC)	AFLR 31.5 kA / 1s
Loss of Service Continuity	LSC2B - PM
Protection Degree	Enclosure IP4X (Doors Closed) / Compartment IP2X (Doors Open)
Applicable Standards	IEC 62271-1, IEC 62271-200, GB/T 3906

CONFIGURATION

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Tell us which ratings and options you need.

ParameterCatalogue indicationProject input required

01Rated Voltage (Ur)36 kV / 40.5 kVSpecify system voltage (e.g., 36 kV or 40.5 kV).

02Rated Main Busbar Current (Ir)1250 A / 2000 A / 2500 A / 3150 ASelect required busbar current rating.

03Short-Time Withstand Current (Ik)25 kA / 31.5 kA (3s)Specify required short-circuit withstand rating.

04Internal Arc Classification (IAC)AFLR 31.5 kA / 1sConfirm internal arc rating for installation.

05Protection DegreeEnclosure IP4X (Doors Closed) / Compartment IP2X (Doors Open)Specify enclosure protection requirements.

STANDARDS & REPORTS

Standards and product documents.

Applicable references: GB/T 3906 and IEC 62271-200. Ask for the edition and reports covering the model offered; a standard number alone does not confirm product compliance.

PRODUCT DOCUMENTSProduct documents available

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Compare GB and IEC references ↗Your StandardBridge inputs and results are not attached to a sales enquiry automatically.

APPLICATIONS

Questions for your application.

Utility and industrial distribution

What are the feeder rating and fault level at the installation point? Send the protection scheme with the enquiry.

Renewable-energy collection networks

Will the device switch cables, transformers or other plant loads? State the switching duty and required control signals.

TECHNICAL LIBRARY

Product documents

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All documents

User manualRev B · September 2026

HJ-MCS-40 — User manual

Reported model KYN61-40.5/2000-31.5

40.5 kV · 2000 A · 31.5 kA

Installation, operation, maintenance and transport for the stated model and ratings.

43 pages·8.6 MB·English

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Test report2020

HJ-MCS-40 — Test report

Reported model KYN61-40.5/2000-31.5

40.5 kV / 2000 A / 31.5 kA

Report no.: XG20091184
Test basis: GB/T 3906-2020 · GB/T 4473-2018

Type tests for the stated configuration. No internal-arc classification is established by this report.

79 pages·7.1 MB·English guide + Chinese original

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The English guide is prepared by HJATIS; it is not a laboratory translation or an IEC certificate. Results apply to the tested sample and configuration. The original report and its stated standard editions govern.

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