Siemens SINOVA - Page 12

Description
2.1 Mechanical components
3WJ Air Circuit breakers
Operating Instructions, 12/2022, L1V30828903001-01
11
(1) Arc chute
(12) Draw-out window
(2) Accessory label
(13) Position indicator
(3) Carrying handle
(14) Position for CASTELL lock
(4) Counting indicator
(15) Electronic trip unit (ETU)
(5) Store-energy spring indicator
(16) Mechanical OPEN button
(6) Type label
(17) Mechanical CLOSED button
(7) Ready-to-close indicator
(18) Breaker OPEN/CLOSED indicator
(8) Racking pictogram
(19) Reset button
(9) Spring charging lever
(20) Operator panel
(10) Breaker foot
(21) Secondary disconnect terminals
(11) Retractable shaft (only withdrawable version)