This manual describes operation and maintenance of the GBH 11 DE professional hammer drill
This manual covers general power‑tool safety, including work‑area cleanliness, electrical safety, personal protective equipment, and safe handling of the rotary hammer. It also details service recommendations and specific safety warnings for the GBH 11 DE Professional.
Technical data for the tool are listed, such as rated power input, speed, impact rate, impact energy, weight, and recommended drilling diameters for concrete, brick, and stone. The functional description explains chisel positions and intended uses, helping users select the correct accessories and settings for various applications.
| Rated power input | 1500 W |
|---|---|
| Rated speed | 420‑250 rpm |
| Impact rate | 1100‑2250 bpm |
| Number of chisel positions | 12 |
The tool has a rated power input of 1500 W.
It delivers an impact rate between 1100 and 2250 bpm.