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Siemens 81000 90H35

Siemens 81000 90H35
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1
'
SIEMENS
TM
Instructions
Installation
Operation
Maintenance
MVC
-
9028
Series
81000
5
-
7.2
kV
Medium
Voltage
Vacuum
Contactors
Type
90
H
35
(
5
kV
)
;
Type
90
H
37
(
7.2
kV
)
(
Distribution
Voltage
2400
-
6900
VAC
;
Utilization
Voltage
2300
-
6600
VAC
)
Courtesy of NationalSwitchgear.com
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Siemens 81000 90H35 Specifications

General IconGeneral
BrandSiemens
Model81000 90H35
CategoryPower distribution unit
LanguageEnglish

Summary

General Contactor Information

Contactor Ratings and Specifications

3 Phase Horsepower Rating at Utilization Voltage

Horsepower ratings for motors and transformer loads at different voltages.

Description of Operation

Blown Fuse Trip Mechanism

Details on the anti-single phase trip mechanism for protection against blown fuses.

Mechanically Latched Contactors

Contactor Nomenclature

Receiving Inspection Procedures

Handling and Lifting Guidelines

Forklift Handling Precautions

Storage Recommendations

Site Preparation and Mounting

Electrical Connections

WARNING: Excessive dielectric test voltages

Warning about potential x-radiation from excessive dielectric test voltages during testing.

WARNING: High peak voltages

Warning about erroneous test results and x-radiation from high peak voltages.

Altitude Setting Adjustment

Latched Contactor Installation

Pre-Energization Checks

Operating Data Summary

Control Circuit Diagrams (Figure 7)

Control Circuit Diagrams (Figure 8)

Control Circuit Diagrams (Figure 9)

Maintenance Safety Precautions

Phase Barrier and Dust Cover Procedures

Blown Fuse Trip Mechanism Note

Plunger Adjustment Procedure

Trip Mechanism Adjustment

Trip Mechanism Operational Check

Main Contacts Wear Check

Vacuum Loss Check

WARNING: Excessive dielectric test voltages

Warning about x-radiation from excessive dielectric test voltages during vacuum loss check.

WARNING: Accidental contact with dielectric test equipment

Warning about electrical shock hazards during dielectric testing for vacuum loss.

Vacuum Bottle Replacement

WARNING: High peak voltages

Warning about X-radiation and false results from high peak voltage tests during replacement.

Removing an Interrupter

Installing the Replacement Vacuum Interrupter

Main Coil Replacement Procedure

Auxiliary Contact Block Replacement

Component Maintenance Checks and Practices

Maintenance after a Fault

General Fault Considerations

General considerations for inspecting and repairing the contactor after a fault.

Inspection Checklist

Key areas to inspect after a fault, including enclosures, terminals, relays, and fuses.

Troubleshooting Introduction

WARNING: Accidental contact with energized components

Safety warning for troubleshooting procedures involving energized components.

Troubleshooting Chart

Type 90 H35 (5 kV) Contactor Parts

Type 90 H37 (7.2 kV) Contactor Parts

Introduction and Safety

Safety Level Definitions

Definitions for DANGER, WARNING, and CAUTION levels used in the manual.

Qualified Person Requirements

Defines a qualified person and their necessary qualifications for working with the equipment.

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