Spare Parts And Accessories - ABB hd4 Installation And Service Instructions Manual

12. Spare parts and accessories

All assembly operations of spare parts/accessories
regarding installation, putting into service, service
and maintenance must be carried out by ABB
personnel or suitably qualified customer personnel
with in-depth knowledge of the apparatus (IEC
62271-1 para. 10.4.2). Should the maintenance
by carried out by the customer's personnel,
responsibility for any interventions lies with the
customer.
Before carrying out any operation, check that the
circuit-breaker is open, the springs discharged and
that there is no voltage (medium voltage circuit and
auxiliary circuits).
To order accessories or spare parts, please refer to the
commercial ordering codes given in the technical catalogue
and always indicate:
– circuit-breaker type
– circuit-breaker rated voltage
– circuit-breaker rated thermal current
– circuit-breaker breaking capacity
– circuit-breaker serial number
– rated voltage of any electrical accessories.
For availability and ordering of spare parts please contact our
Service department.
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12.1. List of spare parts
– Shunt opening release
– Additional shunt opening release
– Undervoltage release
– Contact signalling undervoltage release energised/de-
energised
– Undervoltage release delay device
– Mechanical exclusion device for undervoltage release
– Shunt closing release
– Spring charging geared motor with electric signalling of
springs charged
– Geared motor thermomagnetic protection circuit-breaker
– Contact signalling geared motor protection circuit-breaker
open/closed
– Contact signalling closing springs charged/discharged
– Transient contact with momentary closure during circuit-
breaker opening
– Auxiliary circuit-breaker contacts
– Locking electromagnet on operating mechanism
– Position contact of withdrawable truck
– Contacts signalling connected/isolated
– Opening solenoid
– Key lock in open position
– Isolation interlock with door
– Protection for opening pushbutton
– Protection for closing pushbutton
– Locking electromagnet on withdrawable truck
– Sliding earthing contact of withdrawable truck
– Opening/closing knob
– Set of six tulip contacts
– SF6 gas pressure monitoring device.