Siemens 8DJH User Manual

Installation
82/121 Revision 05 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DJH • 500-8067.9
Documenting the
commissioning
➭ Document the modifications occurred during installation or commissioning.
➭ Document the modifications in the circuit diagram.
➭ Send the modifications to the regional Siemens representative.
After commissioning ➭ Observe the Five Safety Rules for working in the switchgear:
- Isolate.
- Secure against reclosing.
- Verify safe isolation from supply.
- Earth and short-circuit.
- Cover or barrier adjacent live parts.
➭ Observe the locally applicable specifications for prevention of accidents.
➭ If after commissioning further work is required in the area of the switchgear, install warning
signs on the switchgear.
Access for working in the area of the switchgear must only be granted to the following
persons:
- Electricians and persons who have been properly instructed in electrical engineering
- Persons under the supervision of electricians and persons who have been properly
instructed in electrical engineering

Siemens 8DJH Specifications

General

Brand	Siemens
Model	8DJH
Category	Switch
Language	English

Summary

Safety Instructions

Signal Terms and Definitions

Explains DANGER, ATTENTION, NOTE, and symbols used in the manual.

General Safety Guidelines

Covers essential instructions, safety rules, and hazardous substances for safe operation.

Qualified Personnel and Due Application

Switchgear Description

Panel Types and Configurations

Switchgear Components

Three-Position Switch-Disconnector

Features and operating mechanism of the three-position switch-disconnector.

Vacuum Circuit-Breaker Type 2

Features, operating function, and mechanism of the vacuum circuit-breaker.

Interlocks and Safety Features

Technical Data and Specifications

General Electrical and Environmental Data

Covers insulation levels, currents, frequencies, ambient conditions, and protection degrees.

Switching Capacities and Classifications

Details switching capacities for disconnectors, circuit-breakers, and fuse combinations.

Installation Procedures

Transport, Storage, and Unpacking

Installation and Fastening

Floor Openings, Fixing Points, and Earthing

Electrical Connections

High-Voltage Cable Connection

Safety precautions and procedures for connecting high-voltage cables to the switchgear.

Commissioning

Pre-Energization Checks

Applying Operating Voltage and Energizing

Steps for energizing feeders, verifying connections, and applying operating voltage.

Switchgear Operation

Indicators and Control Elements

Operating Procedures

Safe Isolation Verification

Verification using HR/LRM Sockets

Procedure for verifying safe isolation using HR/LRM plug-in sockets.

HV HRC Fuse-link Replacement

Fuse Replacement Procedure

Cable Testing

Cable Plug Testing

Cable Sheath Testing