Basic unit and
Plug-in trip block.
There is a choice of trip blocks:
Motor-protective trip blocks (11 versions for the range from 0.6 to 40
A)
System-protective trip blocks (5 versions for the range from 10 to 40 A)
All trip blocks are equipped with adjustable overload and short-circuit
releases.
Overload from ... to:
Motor-protective trip-blocks: 8.5 to 14 × Ie
Trip block for distribution circuit protection: 5 to 8.5 × Ie