System overview
SIRIUS System Manual
GWA 4NEB 430 0999-02b
1-9
12) 2-pole auxiliary switch block, attachable on the right or left side
(terminal markings in acc. with DIN EN 50 012 or DIN EN 50 005)
13) 1-pole auxiliary switch block (a maximum of 4 can be snapped on)
14) Mechanical interlock, attachable at the side
15) Mechanical interlock, attachable at the front
16) Wiring blocks above and below (reversing mode)
17) Surge suppressor (varistor, RC element, diode combination),
attachable above or below (varies for S0 and S2/S3)
18) Coupling link for direct connection to the contactor coil
19) LED block to display contactor function
For frame sizes S2 and S3 only:
20) Terminal for contactor coil for setting up contactor combinations
21)Terminal cover for box terminals
For frame size S3 only:
22)Terminal cover for terminal end and bar connection
23)Auxiliary connecting lead terminal, 3-pole
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