Eaton Magnefix MD4 User Manual

MV switchgear
Magnefix MD4
User manual 991.184 G01 03
User manual
Medium-voltage switchgear
Magnefix MD4
991.184 G01 03
Eaton Industries (Netherlands) B.V.
P.O. Box 23, 7550 AA Hengelo, The Netherlands
tel: +31 74 246 91 11
fax: +31 74 246 44 44
e-mail: info.electric@eaton.com
Internet: www.eaton.eu
in the event of a malfunction
Eaton Electrical Solutions & Services: tel: +31 74 246 68 88
Installation, connection, operation, checking, commissioning, decommissioning and maintenance of
Magnefix MD4 medium-voltage switchgear should only be carried out by suitably qualified personnel.

Eaton Magnefix MD4 Specifications

General

Type	Magnefix MD4
Category	Switch
Application	Industrial
Rated Current	4A
Number of Poles	4
Mounting	DIN rail
Mounting type	DIN rail
Protection class	IP20
Rated Voltage	400 V
Rated operational voltage	690V AC
Mechanical durability	1, 000, 000 cycles
Electrical durability	100, 000 operations
Terminal type	Screw

Summary

Introduction to Magnefix Switchgear

Safety Regulations and Product Information

Covers safety rules, switchroom requirements, fire procedures, and type plate details.

Magnefix System Description

Switchgear Components and Configuration

Switchgear Safety Features and Operation

Explains safety features, operator competence, and safety precautions.

Setting Up and Connecting Magnefix Systems

Upright Frame Assembly

Wall Frame Assembly

Cable Connection Procedures

Magnefix System Operation Procedures

Safe Switching Practices

Essential safety rules for switching operations on switch caps and protected panels.

Switching On Procedures

Detailed step-by-step procedures for switching on switch caps and protected panels.

Switching Off Procedures

Explains safe procedures for switching off switch caps and protected panels.

Fuse Replacement and Indicator Resetting

Voltage, Phase, and Earthing Procedures

Covers voltage indication, phase sequence testing, and various earthing methods.

System Commissioning, Decommissioning, and Maintenance

Commissioning, Inspections, and Handover

Decommissioning and Disposal Safety

Inspection, Maintenance, and Fault Diagnosis