ABB VD4 12.06.16 p150 User Manual

VD4
Installation and service instructions
12 ... 24 kV - 630 ... 2500 A - 16 ... 31.5 kA
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ABB VD4 12.06.16 p150 Specifications

General

Type	VD4
Rated Voltage	12 kV
Rated Current	630 A
Rated Short-Circuit Breaking Current	16 kA
Breaking Capacity	16 kA
Mechanical Life	10000 operations

Summary

Fixed Circuit-Breaker Types

Standard Fittings for Fixed Circuit-Breakers

Withdrawable Circuit-Breaker Overview

Withdrawable Circuit-Breaker Characteristics (UniGear ZS1)

Technical specifications for withdrawable circuit-breakers used in UniGear ZS1.

Withdrawable Circuit-Breaker Types (UniGear ZS1)

Standard Fittings (Withdrawable for UniGear ZS1)

Withdrawable Circuit-Breaker Characteristics (UniSafe)

Withdrawable Circuit-Breaker Types (UniSafe)

Standard Fittings (Withdrawable for UniSafe)

Electrical Accessories Specifications

Circuit-Breaker Operation Instructions

Safety Indications for Operation

Safety precautions to follow during circuit-breaker operation.

Operating and Signalling Parts

Closing and Opening Operations

Installation

General Installation Guidance

Emphasizes correct installation and adherence to instructions.

Permissible Switching Cycles Curves

Fixed Circuit-Breaker Installation

Withdrawable Circuit-Breaker Installation

Motor-Driven Truck Racking Operations

Fixed Circuit-Breaker Power Connections

General Connection Recommendations

Connection Assembly Procedure

Earthing Procedure

Auxiliary Circuit Connections

Auxiliary Connections for Fixed Circuit-Breakers

Auxiliary Connections for Withdrawable Circuit-Breakers

Putting into Service

General Procedures for Commissioning

Essential steps and checks before commissioning the circuit-breaker.

Maintenance Instructions

General Maintenance Overview

Highlights the simple construction and long life of VD4 circuit-breakers.

Inspection and Functional Testing

Procedures for inspecting and testing the circuit-breaker's functions.

Interruption Device Inspection

Spring Operating Mechanism Testing

Servicing Procedures

Servicing Interruption Devices

Circuit-Breaker Pole Maintenance

Repair Procedures

Spare Parts and Accessories

List of Spare Parts