The Soft Start Circuit 110 V is a genuine Makita replacement module that controls inrush current to give your saw a smooth, controlled start-up. Supplied as a compact printed circuit board with fixed leads and electronic components, it reduces the sudden torque and current spike that can stress motors and electrics. This helps protect the motor and drive parts, supports consistent cut accuracy, and can reduce nuisance tripping on 110 V site supplies. Designed for Makita saws, it is a direct fit for models such as the 2704 and LH1040 series. Identified by OEM/MPN 631612-4, it is suitable for routine maintenance or repair when the original soft start has failed or performance has degraded.

Key Features:
– Genuine Makita part for reliable fit and performance (MPN 631612-4)
– 110 V rating for UK site transformer use
– Smooth ramp-up reduces inrush current and start-up kick
– Helps extend motor life by minimising brush, bearing, and gear shock
– Supports stable blade speed at the start of the cut
– Can reduce nuisance tripping of breakers on start-up
– Compact PCB construction to fit the existing control housing
– Designed to integrate with the saw’s original wiring layout
– Suitable for professional trade and DIY maintenance
– Made with durable electronic components for long service life

Typical Applications:
Restoring smooth, controlled start-up on Makita bench and mitre saws used in workshops, on site benches, and mobile setups. Ideal when a saw hesitates, jerks, or trips power at start, or after replacing a motor or switch assembly. Helps maintain accuracy on initial engagement and reduces mechanical stress during frequent stop/start work.

Also known as:
Soft start module, soft starter board, slow-start circuit, inrush current limiter, motor ramp-up module, start control PCB, acceleration controller, saw start control board.

Fits Models:
2704
2704 260mm
LH1040
LH1040F

Product Specifications