Genuine Bosch on–off switch, part number 1617200114 — a direct-fit replacement module designed to restore the original on/off control in compatible Bosch rotary hammers.

This factory-style switch is the same style of handle-mounted on/off assembly used in the GBH 4‑32 series; it replaces the worn or failed actuator and electrical contact pack so your tool responds like new.

Example fitment: Bosch GBH 4‑32 DFR (types 3611C32161 and 3611C32171 are shown using this on/off switch in the parts lists).

If you need a reliable replacement to get your rotary hammer back to work, this genuine Bosch on/off switch is a simple, direct-fit repair component among power tool parts that generally installs without modification and restores normal trigger operation.

Browse our full range of Bosch hammer drill parts.