Introduction - Alstom FKG1X Instruction Manual

Function description Function description
FK 3-12 spring operating mechanisms FK 3-12 spring operating mechanisms
For circuit brea For circuit breakers kers

Introduction

Introduction
Fonctional units Fonctional units
Schématic Sché matic digram digram
06.04.2011 06.04.2011
The FK 3-12 third-generation spring operating mechanisms have been de- The FK 3-12 third-generation spring operating mechanisms have been de-
signed as an integrated series. All mechanisms have the same functional units signed as an integrated series. All mechanisms have the same functional units
and operate on the same principle. Dimensions and certain execution features and operate on the same principle. Dimensions and certain execution features
are dictated by the maximum closing energy for each model. are dictated by the maximum closing energy for each model.
7 7 0 0 . . 2 2 5 5
70.26 70.26
70.24 70.24
70.42 70.42
70.31 70.31
70.44 70.44
70.43 70.43
71.09 71.09
71.35 71.35
70.01 70.01 70.53 70.53
7 7 9 9 . . 0 0 4 4
70.01 70.01 Motor Motor
70.05 70.05 Closing latch Closing latch
70.06 70.06 Closing magnet Closing magnet
70.07 70.07 Manual CLOSE Manual CLOSE release
70.08 70.08 CLOSE CLOSE push-button push-button
70.09 70.09 Closing shaft Closing shaft
70.10 70.10 Cam disc Cam disc
70.11 70.11 Roller lever Roller lever
70.12 70.12 Main Main shaft shaft
70.13 70.13 Manual Manual TRIP TRIP release release
70.14 70.14 TRIP TRIP push-button push-button
70.15 70.15 Trip magnet Trip magnet
70.16 70.16 Trip latch Trip latch
70.17 70.17 Trip Trip dashpot dashpot
70.18 70.18 Operating Operating lever lever
70.19 70.19 Trip Trip chain chain
70.23 70.23
71.32 71.32
7 7 0 0 . . 0 0 5 5
70.20 70.20 Trip spring Trip
70.21 70.21 Auxiliary switch Auxiliary
70.22 70.22 Motor limit Motor
release 70.23 70.23 Motor Motor limit
70.24 70.24 Motor limit Motor
70.25 70.25 Closing spring Closing
70.26 70.26 Closing chain Closing
70.31 70.31 Spring position Spring
70.52 70.52 Cicuit breaker Cicuit
70.53 70.53 Hand crank Hand
71.32 71.32 Pair Pair of of winding
71.35 71.35 Cam disc Cam
71.42 71.42 Chain Chain wheel
71.43 71.43 Crank lever Crank
71.44 71.44 Support Support pin
79.04 79.04 Gearing Gearing
70.21 70.21 70.20 70.20
7 7 0 0 . . 2 2 2 2
70.06 70.06 70.10 70.10
7 7 0 0 . . 0 0 7 7 7 7 0 0 . . 0 0 8 8
spring
switch
limit switch switch actuating actuating cam
limit switch switch lever lever
limit switch switch
spring
chain
position indicator indicator
breaker position position indicator indicator
crank
winding lever lever with with return return stop
disc for for eccentric eccentric gear gear
wheel
lever
pin
48-020-212EN02 48-020-212EN02
70.19 70.19
70.52 70.52
70.18 70.18
70.12 70.12
70.17 70.17
70.15 70.15
70.14 70.14
70.16 70.16
70.13 70.13
70.11 70.11
cam
stop
3/15 3/15