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To order circuit-breaker spare parts/accessories, refer to the
ordering sales codes indicated in the technical catalogue and
always state the following:
– type of circuit-breaker
– rated voltage of the circuit-breaker
– rated normal current of the circuit-breaker
– breaking capacity of the circuit-breaker
– serial number of the circuit-breaker
– rated voltage of any electrical spare parts.
For availability and to order spare parts, please
contact our Service office.
7.1. List of spare parts
– Shunt opening release
– Additional shunt opening release
– Undervoltage release
– Time delay device for undervoltage release
– Mechanical override for undervoltage release
– Shunt closing release
– Spring charging geared motor with electrical signalling of
springs charged
– Contact signalling geared motor protection circuit-breaker
open/closed
– Contact signalling closing springs charged/discharged
– Circuit-breaker auxiliary contacts
– Locking electromagnet on the operating mechanism
– Position contact of the withdrawable truck
– Contacts signalling racked-in/isolated
– Key lock in open position
– Isolation interlock with the door
– Protection for opening pushbutton
– Protection for closing pushbutton
– Locking electromagnet on the withdrawable truck
– Set of six tulip contacts
7. Spare parts and accessories
ALL ASSEMBLY OPERATIONS OF SPARE
PARTS/ACCESSORIES MUST BE CARRIED OUT
FOLLOWING THE INSTRUCTIONS ENCLOSED
WITH THE SPARE PARTS, BY ABB PERSONNEL
OR BY SUITABLY QUALIFIED CUSTOMER
PERSONNEL WITH IN-DEPTH KNOWLEDGE OF
THE APPARATUS (ANSI/IEEE C37.04 - C37.54 -
C37.09 - C37.55 STANDARDS, NETA STANDARDS,
NEC NPFA70 STANDARDS) AND ALL THE
STANDARDS AIMED AT CARRYING OUT THESE
INTERVENTIONS IN SAFE CONDITIONS.
SHOULD THE MAINTENANCE BE CARRIED OUT
BY THE CUSTOMER’S PERSONNEL,
RESPONSIBILITY FOR THE INTERVENTIONS
REMAINS WITH THE CUSTOMER.
BEFORE CARRYING OUT ANY OPERATION,
ALWAYS MAKE SURE THAT THE CIRCUIT-
BREAKER IS OPEN, THE SPRINGS DISCHARGED
AND NOT SUPPLIED (MEDIUM VOLTAGE CIRCUIT
AND AUXILIARY CIRCUITS).
WARNING
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