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Description
2.2 Circuit breakers and non-automatic circuit breakers
2.2.2
Design
2.2.2.1
Circuit breakers
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
28
Arc chute
Carrying handle
Labeling plate
Motor disconnect switch (option) or
local electric close (S10) (option)
Circuit breaker rating plate
Spring charge indicator
Local mechanical close
Max. rated circuit breaker current
Charging handle
Operating cycles counter (option)
Racking handle
Ground connection
Retractable shaft (only withdrawable
version)
Accessory label
Position indicator
(16)
Locking provision for racking handle
(option)
(17)
Voltage tap module VTM (option)
(18)
Mechanical unlatching of the racking
handle
(19)
Query button
(20)
Electronic trip unit ETU
(21)
Operating keys ETU600
(22)
Mechanical OPEN button or
Emergency OPEN button (mushroom
pushbutton, option)
(23)
Switch position indicator
(24)
Tripped indicator ETU TRIP (reset
button)
(25)
Trip indicator EXT TRIP (reset button),
optional
(26)
Ready-to-close indicator
(27)
Operator panel
(28)
Locking provision Safe Open (option)
(29)
Base part for secondary disconnect
terminal
Equipment Manual, 02/2023, 92310000002-06
3WA1 air circuit breaker
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Troubleshooting
