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In order to plan and schedule the periodical maintenance is suggested the use of mechanical
operation counter
Periodical checks and maintenance object of this guide is intended to be carried out by trained and
qualified personnel
Use only original and authorized spare parts / accessories
Before start to work follow the safety rules below:
- Disconnects the device from supply. No parts have to be in voltage (power and auxiliary circuits).
Check the insulation from supply
- the breaker must be open with spring discharged (OFF - DISCHARGED)
- no parts have to be so hot (residual heating) to produce burn of personnel
If necessary to perform dielectric test:
- before to start the test, turn the selector in “DIELECTRIC TEST POSITION”
- after performed test, turn back the selector in “NORMAL USE”
For correct handling of devices make reference to installation manual
A non-compliance to previous instructions, can produces serious damage to persons and property.
During maintenance activities, indicated in this document, the personnel entrusted must takes in
charge the purposing of all tools and procedures necessaries for safeguard of persons and property.
Before to put the equipment in operation/work be sure:
- all connections are tightened with correct torque
- all protective covers are mounted correctly
- the breaker is in position OFF- DISCHARGED
Note
It is recommended to get the original maintenance kit.
It is recommend to record the maintenance activity done on every breaker.
In no circumstance BTicino can be held responsible for damaging caused by failure of devices if the
periodical check and maintenance were not performed in according with this document.
1. Warning
NORMAL
USE
TRIP
DIELEC
TRIC
TEST POSITION
NORMAL
USE
TRIP
DIELEC
TRIC
TEST PO
SITION
dielectric test
position