Features: • Dual Display: The product features two displays that show the voltage and current levels, making it easy to monitor the circuit's health. • Adjustable: The device can be adjusted to protect against overvoltage, undervoltage, and other issues, ensuring that your circuit is safe and reliable. • Protective Device: This product is designed to protect your circuit from damage caused by power fluctuations, ensuring that your equipment stays safe and functional. • Relay: The relay feature of this product allows you to control the power to your circuit, making it easy to troubleshoot and fix any issues. • Wide Voltage Range: The device is compatible with a wide voltage range, with overvoltage protection from 230-300V and undervoltage protection from 140-210V. • Overvoltage protection • Undervoltage protection • Overcurrent protection • Continuous overcurrent counting • Fast protection for power failure Specifications: *Part Name:Adjustable Voltage Protective Device *Material:Plastic shell *Size:35*47*82 mm *Type:A(40A),B(63A) *Color:White *Max.Loading power:1~40A Adjustable(default:40A),1~63A Adjustable(default:63A) *Overvoltage default: adjustable: 230-300V *Undervoltage default: adjustable: 140-210V *Overcurrent default: (40A, adjustable range: 1-40A),(63A, adjustable range: 1-63A) *Effective voltage range: AC80-300V, 1% calibratable, higher accuracy *Effective current range: AC0.1-40A, 1% calibratable, higher accuracy , AC0.1-63A, 1% calibratable, higher accuracy *Frequency range: 50-60Hz, 1% calibratable, higher accuracy *Screen refresh rate:>1000Hz *Table update: 0.1-1.05, 1% screen value update *Timer range: 1-999S *Action time: 0.1-10.0 seconds Package Content: 1 * Adjustable Voltage Protective Device Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Made of standard material, quality assurance and practicality. Perfect function, bring you a wonderful experience. Every customer is entitled to a 30-day refund or replacement for damage/quality issues. If you have any questions, please feel free to contact us and we will solve it for you. 40A/63A Rail 230V Adjustable Voltage Protective Device Protector Relay