Feature: 1. Supports overvoltage protection, undervoltage protection, and voltage display; also supports voltage measurement. 2. Both overvoltage and undervoltage protection values and recovery values are adjustable; overvoltage and undervoltage protection action time is adjustable. 3. Fault recovery delay time and power-on delay time are adjustable. 4. Supports reset mode selection, fault query, and factory reset function for added convenience. 5. Made of high-quality plastic material, durable, hard, corrosion-resistant, and designed for long service life. Specification: Condition: Item Type: Under Over Voltage Protector Material: Plastic Color: As shown in picture Optional Specifications: 63A, 80A Model: SVP-912 Product Size: Approx. 35 x 85 x 65mm / 1.4 x 3.3 x 2.6in Rated Voltage: 230VAC 50Hz Rated Current: 1-40A adjustable, 1-63A adjustable, 1-80A adjustable Undervoltage Protection Value: 150V219V (adjustable) Overvoltage Protection Value: 221V300V (adjustable) Recovery Delay Time: 2512 seconds Power-On Delay Time: 2255 seconds Disconnect Capacity: Overvoltage: 221300V, Undervoltage: 150219V (adjustable) Functions: 1. Overvoltage protection 2. Undervoltage protection 3. Voltage display (voltage measurement) 4. Adjustable overvoltage protection value 5. Adjustable overvoltage recovery value 6. Adjustable overvoltage protection action time 7. Adjustable undervoltage protection value 8. Adjustable undervoltage recovery value 9. Adjustable undervoltage protection action time 10. Adjustable fault recovery delay time 11. Adjustable power-on delay time 12. Reset method selection 13. Fault query 14. Factory reset Package List: 1 x Under Over Voltage Protector 1 x English Manual