FA410/2B DPDT Power Tool Lock On Trigger Switch A directreplacement trigger switch designed for power tools that need a reliable lockon and DPDT (double pole double throw) switching function. The FA410/2B gives you hands continuous operation when needed, accurate control of motor circuits, and dependable performance for or retrofit projects. Key benefits Lockon convenience: Engage the trigger and lock it for continuous operation to reduce hand fatigue during long sanding, grinding, or polishing jobs. DPDT functionality: Double pole double throw configuration allows control of two circuits or simple motor direction reversal where the tool wiring is compatible. Reliable replacement: Designed as a dropin style trigger for powertool and maintenance, restoring original functionality quickly. Improved control and safety: Smooth trigger action with a positive lock mechanism provides predictable operation and secure retention during use. Main attributes Model: FA410/2B Type: DPDT (double pole double throw) trigger switch with lockon feature Functionality: Trigger actuation for momentary operation, with a lockon position for continuous running; DPDT contacts for switching two circuits or reversing motor polarity when the tool wiring supports it Compatibility: Intended for use in power tools that require an FA4series DPDT lockon trigger or equivalent wiring arrangement; verify fitment and wiring before installation Design: Compact trigger form factor suitable for handheld power tools; built for repeated actuation and routine workshop use Performance: Provides consistent switching action and secure locking for extended runs; suitable for typical powertool control needs (confirm electrical ratings on the original part before use) Typical use cases Continuous sanding or polishing: Lock the trigger on for long surfacepreparation tasks to reduce operator fatigue while maintaining consistent motor speed. Motor direction/reversing function: Use the DPDT contacts to support forward/reverse control or manage two circuits on compatible drills, bench motors, or custom tool builds. and retrofit: a worn or damaged trigger switch in handheld grinders, drills, sanders, or other power tools that accept an FA410/2B style switch to restore safe operation. Installation and compatibility tips Match wiring: Before installation, compare the FA410/2B terminals and wiring to your original switch to ensure correct connections and safe operation. Confirm ratings: For electrical safety, confirm that the original tool's voltage and current requirements are compatible with this switch's ratings (refer to the original equipment specifications). Secure fitment: Verify mechanical fit into your tool's housing and use proper fasteners or clips to secure the switch during installation. The FA410/2B DPDT Power Tool Lock On Trigger Switch offers a straightforward, functional solution for , replacement, or custom tool projects that require DPDT control and a dependable lockon trigger.