IEC 62841-3-4 Ed. 1.1 b:2019

This clause of Part 1 is applicable, except as follows:

This part of IEC 62841 applies to transportable bench grinders that can be equipped with
one or two accessories as follows:
- type 1 grinding wheels in accordance with ISO 603-4:1999 (see Figure 106) with a diameter not exceeding 310 mm and a thickness not exceeding 55 mm;
- wire brushes with a diameter not exceeding 310 mm and a thickness not exceeding 55 mm;
- polishing wheels with a diameter not exceeding 310 mm;

and with a peripheral speed of any accessory between 10 m/s and 50 m/s.