● Providing motor overload protection and short-circuit protection
Instruction of type code
Technical specifications
Selection and ordering data
3SM18
3SM18 with enclosure
3SM18-2-AV Under-voltage release
3SM18-2-AS Shunt release
Selection and ordering data
3SM18-2-AN11 Auxiliary contact
3SM18-2-AD Auxiliary Alarm
Enclosure
Tripping Curve
Average operating times at 20 ºC related to multiples of the setting current
1: 3 poles from cold state; 2: 2 poles from cold state; 3: 3 poles from hot state
Outline and installation dimensions
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