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.
10.1. 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
• Insulating partitions.
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10. 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 (IEC 60694) 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)
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