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Medium Voltage Switchgear Specifications

Comprehensive technical specifications, ratings, and design guides for medium voltage switchgear equipment

Medium Voltage Switchgear Technical Specifications

Electrical Ratings

Rated Voltage: 4.16kV - 38kV
Rated Current: 630A - 4000A
Short Circuit Current: 25kA - 63kA
Power Frequency: 50/60 Hz

Design Parameters

Insulation Level: BIL 60kV - 200kV
Operating Temperature: -40°C to +40°C
Protection Degree: IP31 - IP54
Arc Classification: AFLR, PLR

Comprehensive Specifications Table

Parameter Standard Range Optional Range Standards
Rated Maximum Voltage 4.76kV - 38kV Up to 52kV IEC 62271-200
Rated Continuous Current 630A - 3150A Up to 5000A IEEE C37.20.2
Short-time Current 25kA - 50kA Up to 63kA IEC 60694
Impulse Withstand Voltage 60kV - 170kV Up to 250kV IEC 60071-1

Medium Voltage Switchgear Diagrams

Medium Voltage Switchgear Single Line Diagram

Single Line Diagram

Complete electrical single line diagram showing main bus, feeders, and protection schemes.

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Medium Voltage Switchgear Wiring Diagram

Control Wiring Diagram

Detailed control and auxiliary wiring diagrams for switchgear panels.

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Medium Voltage Switchgear Assembly Drawing

Assembly Drawing

Mechanical assembly drawings showing dimensions and component layout.

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Medium Voltage Switchgear Standards

IEC

IEC Standards

International Electrotechnical Commission standards for medium voltage switchgear

  • • IEC 62271-200: AC metal-enclosed switchgear
  • • IEC 60694: Common specifications
  • • IEC 60071-1: Insulation coordination
ANSI

ANSI Standards

American National Standards Institute requirements for medium voltage equipment

  • • IEEE C37.20.2: Metal-clad switchgear
  • • IEEE C37.04: Standard ratings
  • • IEEE C37.06: Preferred ratings
UL

UL Standards

Underwriters Laboratories safety standards for medium voltage switchgear

  • • UL 1558: Metal-enclosed switchgear
  • • UL 347: High-voltage industrial control
  • • UL 50: Enclosures for electrical equipment

Standards Compliance Matrix

Standard Title Application Region
IEC 62271-200 AC metal-enclosed switchgear and controlgear Design & Testing International
IEEE C37.20.2 Metal-Clad Switchgear Construction & Performance North America
UL 1558 Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear Safety Requirements USA/Canada

Medium Voltage Switchgear PDF Resources

PDF

Design Guide

Comprehensive medium voltage switchgear design guide with specifications and selection criteria.

2.5 MB Download
PDF

Technical Specifications

Detailed technical specifications and ratings for all medium voltage switchgear models.

1.8 MB Download
PDF

Installation Manual

Step-by-step installation and commissioning guide for medium voltage switchgear.

3.2 MB Download
PDF

Standards Compliance

Complete guide to IEC, ANSI, and UL standards for medium voltage switchgear.

1.5 MB Download
PDF

Maintenance Guide

Preventive maintenance procedures and troubleshooting guide for optimal performance.

2.1 MB Download
PDF

Application Guide

Application examples and case studies for various medium voltage switchgear installations.

4.1 MB Download

Need Custom Specifications?

Our engineering team can provide customized medium voltage switchgear specifications for your specific application requirements.

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