Features Ergonomic Design: The panel design is user-friendly and conforms to ergonomic principles, ensuring ease of use and comfort during operation. Reliable Operation: This voltage current protector is designed to operate reliably in harsh environments, meeting diverse application requirements with consistent performance. Automatic Reset: The self-reset feature enables automatic reset without manual intervention, providing convenient and user-friendly operation. Accurate Voltage Testing: The undervoltage protector offers precise voltage testing, ensuring accuracy within 1% of the overall range for effective protection. Maximum Overvoltage Protection: The protective device ensures no damage from maximum overvoltage during circuit failure, offering reliable industrial supplies protection. Specification: Item Type: Overvoltage Undervoltage Protector Model: VA-40A Material: ABS Purpose: over-voltage and under-voltage protection Technical Data Rated Power Voltage13.9 Package List: 1 x Overvoltage Undervoltage Protector 1 x Manual Note: The product is used for electricity‑related maintenance and installation. Make sure that the operator has the qualification for electrical work and takes necessary power‑off and insulation protection measures.betweendiv>Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.betweenbr>between/div> Package List 1 x Overvoltage Undervoltage Protector 1 x Manual