Putting Into Service And Maintenance; Putting Into Service; Introduction; General Checks - ABB SACE Emax 2 Installation, Operation And Maintenance Instructions

Putting into service and maintenance

1 - Putting into service

Introduction The general check is necessary:
General checks Before putting it into service for the first time or after a prolonged period of inactivity, some checks must be
38 | © 2021 ABB | 1SDH002083A1002 - ECN000119014 - Rev. A
• when the circuit-breaker is put into service for the first time
• after prolonged inactivity of the circuit-breaker
HAZARD! RISK OF ELECTRIC SHOCK! Test the circuit-breaker with all switchgear
apparatus de-energized.
IMPORTANT: The verifications involve procedures which must only be performed by
persons skilled in the electrical field (IEV 195-04-01): person with sufficient training
and experience to enable him or her to perceive risks and avoid the dangers potentially
created by electricity).
carried out on the circuit-beaker and the environment in which it is installed:
Points to be che-
Checks
cked
1. Sufficient change of air to avoid overtemperatures
2. Clean location, free of all installation refuse (e.g.: cables, tools, metal splinters)
Switchgear
3. Circuit-breaker mounted correctly (tightening torques, clearances respected)
4. The installation environmental conditions must be consistent with the
"Environmental conditions" specifications on page 25
1. Power connections tightened to the terminals of the circuit-breaker
2. Busbars with adequate cross-section
Connections
3. Correct ground connections
4. Maximum distances of separators respected
Perform some opening and closing operations (See chapter "Description of the
product - circuit-breaker opening/closing operations on page 18). The spring
loading lever must move with regularly
Operations
NOTE: for safety reasons, ABB strongly advises you to change the password right from the
first access and to keep it with care.
WARNING! in the presence of an undervoltage coil the circuit-breaker
can be closed only after the trip unit is energized
Putting into service and maintenance | 1 - Putting into service
ABB | SACE Emax 2