BROTHER S-7780A-503-32-32 (MEDIUM WEIGHT) EDGE TRIMMING LOCKSTITCH INDUSTRIAL SEWING MACHINE

The Brother S-7780A-503-32-32 is a high-performance lockstitch sewing machine with an integrated 3.2mm side cutter, purpose-built for edge trimming medium-weight materials during high-speed production. Equipped with DigiFlex Feed and direct electronic feed control, it offers exceptional stitch consistency, reduced material slippage, and clean edge finishing — all in one operation.

This model features a direct drive motor for quick response and low vibration, enabling smooth sewing starts and stops. The 3.2mm side cutter can be raised or lowered with a single-touch lever, allowing the operator to switch easily between standard sewing and trimming while in motion.

The minimum lubrication system and sealed oil tank keep operations clean by preventing oil leaks and stains. The machine also includes a reliable rotary thread trimmer and a wide waste chute, keeping the workspace clean and production flow uninterrupted.

Compatible with Brother’s NEXIO IoT platform, this model supports productivity monitoring, data management, and firmware updates via USB.

Key Features

• 3.2mm Side Cutter – Integrated for precise edge trimming on medium-weight materials

• DigiFlex Feed System – Digitally controlled feeding for improved fabric handling

• One-Touch Cutter Control – Instantly toggle between sewing and trimming

• Direct Drive Motor – Smooth and responsive sewing performance

• Oil-Stain Prevention – Minimum lubrication and sealed oil tank

• Rotary Thread Trimmer – Clean and stable trimming with minimal maintenance

• Wide Waste Chute – Keeps sewing surface tidy during cutting operations

• IoT Compatible – Enables production analysis, upgrades, and maintenance planning via USB

Technical Specifications

• Model: Brother S-7780A-503-32-32

• Application: Medium-weight materials

• Lubrication Type: Minimum lubrication (closed tank system)

• Max Sewing Speed: 4,500 sti/min

• Max Stitch Length: 4mm

• Feed System: Direct electronic feed control

• Presser Foot Lift:

  • Presser Bar: 5mm

  • Knee Lifter: 13mm

• Needle Bar Stroke: 31mm

• Needle System: DBx1 (#11 - #18 / Nm75–110)

• Standard Cutting Width: 3.2mm (1/8 inch)

• Max Material Thickness for Cutting: 4mm

• Quick Back Device: Included

• Thread Presser: Standard

• Weight: 37kg

• Power Supply:

  • Single Phase: 110V*

  • Single Phase / 3-Phase: 200–230V

  • Max Power Consumption: 550VA

  • Transformer required for 110V use