Welcome to our store! 1. 30A: This board uses an oversized current (30A) pure copper foot relay and an oversized thermistor NTC 10D 20 to effectively protect the machine from excessive starting current. 2. AC 100V-250V: Voltage adaptation range for power supply from AC 110V to 250V, small and fine, easy installation. 3. Scope of Application: Start protection board is suitable for high-quality audio frequency power input, or other large starting current machine applications. Suitable for power up to 6600W. 4. Easy to Use: This board does not require an additional power supply, only two terminals, one for power input (before which you can connect a switch control), and one for output load, easy to use. 5. PCB Material: Start protection board is made of PCB material, long-term use without deformation, ensuring long-term stability. Item Type: 30A 6600W Soft Start Protection Module Material: PCB Power Supply Voltage Adaptation Range: AC 100V-250V Current: 30A (Maximum) Power: 6600W (Maximum) 1 x 30A 6600W Soft Start Protection Module Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.