Siemens UL 489 - Overview of Circuit Breaker Components; Circuit Breaker Components

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1 Overview
1.1 Circuit Breaker
(1) Arc chute  (page 24-5)
(2) Carrying handle
(3) Identification tags
(4) Motor disconnect switch (option)  (page 13-3)
(5) Circuit breaker type label  (page 2-1)
(6) Spring charge indicator  (page 6-7)
(7) Mechanical "CLOSE" button
(8) Rated current value
(9) Racking pictogram
(10) Make-break operations counter (option)
(11) Spring charging lever  (page 6-4)
(12) Racking handle
(13) Racking shaft
(14) Options label  (page 2-1)
(15) Grounding terminal
(16) Position indicator  (page 6-2)
(17) Table for ground-fault protection  (page 9-12)
(18) Key lock for racking handle
(19) Mechanical release of racking handle (option)
(20) Trip unit  (page 9-1)
(21) Rating Plug
(22) "OPEN" button or 
"EMERGENCY OPEN" mushroom pushbutton (option)
(23) "Ready-to-close" indicator  (page 6-7)
(24) Circuit breaker OPEN / CLOSED indicator  (page 6-7)
(25) Tripped indicator (reset button)  (page 6-9)
(26) Locking device "lock OPEN" (option)
(27) Front panel
(28) Secondary Disconnects