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General| Brand | ABB |
|---|---|
| Model | E4H 40 |
| Category | Circuit breakers |
| Language | English |
Outlines the preparatory steps and checks required before putting the circuit-breaker into service.
Details the manual and electrical procedures for closing and opening the circuit-breaker.
Instructions for safely performing the racking-in and racking-out operations of the circuit-breaker.
Highlights safety precautions and procedures to follow before performing any maintenance work.
Describes specific maintenance tasks and procedures for the circuit-breaker.
Troubleshooting guide for identifying and resolving operating anomalies and faults.
Crucial safety warnings and precautions for handling and using the device.
Details the technical specifications, electrical characteristics, and environmental data of the PR121/P release.
Explains the various protection functions available on the PR121/P release.
Provides guidance for diagnosing and solving potential faults or malfunctions of the PR121/P unit.
Covers general, electrical, and environmental specifications for the PR122/P release.
Details the comprehensive protection functions offered by the PR122/P release.
Troubleshooting guide for resolving issues encountered with the PR122/P unit.
Details the wide range of protection functions available in the PR123/P release.
Troubleshooting guide for resolving issues encountered with the PR123/P unit.
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