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ABB E3S 32 User Manual

ABB E3S 32
161 pages
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Emax
Installation, service and
maintenance instructions
for low voltage air circuit-breakers
Installation and service
instructions
1SDH000460R0002 L2778

Table of Contents

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ABB E3S 32 Specifications

General IconGeneral
BrandABB
ModelE3S 32
CategoryCircuit breakers
LanguageEnglish

Summary

Installation

Electrical connections

Connections to the power circuit

Explains how to connect to the power circuit, including terminal shapes and busbar positioning.

Putting into service

General procedures

Details general procedures and checks before putting the circuit-breaker into service.

Instructions for use

Operating and signalling parts

Identifies and describes the operating and signalling components on the circuit-breaker front panel.

Circuit-breaker closing and opening procedures

Explains the manual and electrical procedures for closing and opening the circuit-breaker.

Racking-in/out operation

Details the procedures for racking the circuit-breaker in and out of its compartment.

Maintenance

Warning

Provides critical warnings and procedures to follow before performing any maintenance work.

Maintenance operations

Details specific maintenance operations, including preliminary steps and inspections.

General inspection of the circuit-breaker

Details the general inspection process, identifying potential problems and remedies.

Checking contact wear

Explains how to check and adjust the contact wear and gap.

Measures to be taken for any operating anomalies

Protection releases - General notes

Safety notes

Provides crucial safety warnings regarding the use and handling of the device.

SACE PR121/P Release - Identification

Troubleshooting

Lists typical service conditions to help understand and solve hypothetical faults.

SACE PR122/P Release - Identification

Troubleshooting PR122/P unit

Provides a table of typical service conditions to help solve faults and malfunctions.

SACE PR123/P Release - Identification

Specifications

Details the general and electrical specifications of the PR123/P release.

Description of the protection functions

Details protection functions L, S, S2, D, I, G, Gext, Rc, U, UV, OV, RV, RP, UF, OF, OT.

Troubleshooting PR123/P unit

Provides a table of typical service conditions to help solve faults and malfunctions.

Modules

Circuit diagrams

Circuit diagram - Operating status

Motor operating mechanism, opening, closing and undervoltage releases

Auxiliary circuits of the PR121, PR122 and PR123 releases

PR120/V measuring module

PR120/D-M communication module

PR120/K signalling module

PR021/K signalling unit

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