Genuine Bosch F016L66958 — Thermal protector / temperature limitre designed to protect a tool or garden machine motor from overheating. It’s a compact, normally-closed thermal cut-out that sits in series with the motor windings and opens when the preset temperature is exceeded, interrupting power until the unit cools.

The part is supplied as the original Bosch two‑terminal thermal switch . It’s a simple drop‑in replacement — small, clip/mountable body with two electrical connections so it can be positioned against the stator or motor housing to monitor motor temperature and cut out on overload.

Example compatible machines (typical fits listed by Bosch part diagrams and service parts listings): Bosch Rotak 32 series lawnmowers (including type Number :3 600 H85 B01) — Rotak 32, and earlier ARM 32 / ARM 3200 mower models. These model lines commonly use F016L66958 as the motor thermal protector.

What you’re getting: a genuine Bosch temperature protector, part number F016L66958 , intended as the direct replacement part used by Bosch on the listed mower/tool models — no adjustments or programming required, just replace the failed protector and restore the thermal protection circuit. Before fitting, make sure power is disconnected and the old part is replaced with the same part number.

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