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ABB VD4X - User Manual

ABB VD4X
32 pages
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VD4X
Vacuum circuit-breaker
INSTRUCTION MANUAL
VD4X
Vacuum circuit-breaker
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ABB VD4X Specifications

General IconGeneral
BrandABB
ModelVD4X
CategoryCircuit breakers
LanguageEnglish

Summary

Technical Data

VD4 X Circuit-Breaker Specifications

Technical parameters for the VD4X circuit-breaker, including voltage, current, and standards.

Switching Operations Limits

Graphs showing permissible switching operations versus breaking current.

Structure and Mode of Action

Operating Mechanism Structure

Details on the stored-energy spring type operating mechanism and its components.

Circuit-Breaker Mode of Action

Explanation of how the circuit-breaker performs its functions, including charging and switching.

Closing Procedure

Step-by-step description of the closing operation initiated by releases or push-buttons.

Opening Procedure

Step-by-step description of the opening operation initiated by releases or push-buttons.

Commissioning; Operation

Safety Notes for Commissioning

Essential safety precautions for personnel performing commissioning and operation.

Circuit-Breaker Operation

Guidelines for operating the circuit-breaker, including charging, closing, and opening.

Closing and Opening Operation

Instructions for performing closing and opening operations via control unit or push-buttons.

Maintenance

Inspection and Functional Testing

Procedures for inspecting and testing the condition and functionality of switching devices.

Stored-Energy Spring Mechanism Maintenance

Functional testing and servicing intervals for the stored-energy spring mechanism.

Repair Procedures

Guidelines for repairing internal control mechanisms and addressing specific faults.

Part and Accessory Replacement

Steps for safely removing, reassembling, and replacing circuit-breaker parts and accessories.

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