Enhance the performance and longevity of your single-phase motors with this advanced Motor Start Board, designed specifically for soft starting water pumps, fans, vehicles, and ordinary single-phase motors. This motor start module features simple wiring and installation, making it an economical and practical solution to replace adjustable auto-transformers and inverter soft start systems without the need for a bypass contactor. Key Features: · Soft Start Controller: Smoothly ramps up motor voltage from 0 to full rated voltage (220V or 380V), reducing mechanical stress and extending motor life. · Adjustable Soft Start Time: Customize the soft start duration from 0 to 30 seconds, allowing precise control over motor acceleration for various applications. · Starting Voltage Adjustment: Easily set the starting voltage between 0% and 50% of the rated voltage, providing flexibility for different motor requirements. · Two Operation Modes:  - Direct start by closing the main power switch to energize the soft start process.  - Controlled start and stop using an external switch to open or close the soft start function. · Dual Potentiometer Control:  - Starting voltage potentiometer adjusts initial voltage from 0 to 50% of rated voltage.  - Time potentiometer adjusts the ramp-up time between 0 and 30 seconds for smooth motor acceleration. · No Bypass Contactor Required: Simplifies wiring and reduces installation costs while maintaining powerful motor control. · High Durability and Reliability: Engineered for long-term stable performance and practical adaptability in various motor-driven equipment. · Optional Radiator Module: Available with or without a radiator for enhanced heat dissipation depending on your application needs. Specifications: · Item Type: Motor Start Board · Model: SSR-40WA-R1 (1.5KW) (Soft start without soft stop) · Voltage Compatibility: Single-phase 220VAC, Two-phase 380VAC · Frequency: 50-60Hz · Soft Start Time: Adjustable 0-30 seconds · Starting Voltage: Adjustable 0-50% of rated voltage (220-380V) · Dimensions (Size 1): Approx. 92mm x 74mm x 47mm / 3.6in x 2.9in x 1.9in · Dimensions (Size 2): Approx. 125mm x 80mm x 110mm / 4.9in x 3.1in x 4.3in Package Includes: · 1 x Motor Start Board (Module or Module + Radiator as selected) This Motor Start Board is an essential tool for ensuring a smooth and controlled startup of single-phase motors, reducing mechanical wear and electrical stress. Its easy installation, adjustable settings, and reliable performance make it ideal for various industrial and residential motor applications. Improve motor efficiency and extend equipment lifespan with this versatile soft start controller module.