Description
Overview
Defond DCQ1106 trigger switch for corded 13mm impact and hand drills, with variable speed plus forward and reverse action. Rated 250V AC at 6A, it takes T55 connection adapter terminals so mains and motor leads land on the switch.
Specifications
- Model: Defond DCQ1106
- Rating: 250V AC, 6A
- Terminals: T55 connection adapter
- Function: variable speed, forward and reverse
- Fitment: 13mm impact and hand drills
Purpose
A trigger that goes intermittent, or a reverse lever that stops latching, is usually the only worn part; the gearbox and motor stay sound. A switch swap restores proportional speed control instead of scrapping the tool.
Applications
- Impact drill trigger replacement
- Hand drill rebuilds
- Forward/reverse repair for screwdriving
- Workshop refurbishment of corded tools
How to Use
- Unplug the drill and keep it dead for the whole job.
- Open the handle and note the wire order before removing the old switch.
- Land the mains and motor leads on the T55 terminals in their original positions.
- Work the trigger through full travel and check both directions.
- Caution: never fit it to a tool above 250V AC 6A, and never test it live with the housing open.









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