Feature: 1. Overvoltage protection, undervoltage protection and voltage display (voltage measurement). 2. The overvoltage protection and overvoltage recovery value can be adjusted, and the overvoltage protection action time can be adjusted. 3. The undervoltage protection value and the undervoltage recovery value can be adjusted, and the action time of the undervoltage protection can be adjusted. 4. Failover delay time and power‑on delay time are adjustable. Reliable in use. 5. Reset mode selection, fault query and factory reset functions of the voltage protection device. Specification: Condition: 100% Brand New Item Type: Voltage Protection Device Material: Plastic Model: SVP‑915A Rated Voltage 120VAC 50/60Hz Rated Current 1‑63A (default: 63A) Overvoltage Protection Range 130V‑150V‑OFF adjustable (default: 140V) Overvoltage Recovery Value Range 131V‑149V (default 135V) Overvoltage Protection Action Time 0.1s‑10s (default 0.1s) Under Voltage Protection Range 80V‑100V‑OFF adjustable (default: 90V) Under Voltage Recovery Value Range 81V‑99V (default 95V) Action Time of Undervoltage Protection: 0.1s‑10s (default: 0.2s) Overcurrent Adjustment Range 1‑63A (default: 63A) Overcurrent Operating Range 1S‑255s (default 30s) Failover Delay Time 2s‑512s (default 60s) Post Startup Delay Time 2s‑255s (default 2S) Power Meter Shows 99999KWh Consumption Power ≤2W Electrical and Mechanical Life ≥4000 times Size: Approx. 81 x 36 x 60mm / 3.2 x 1.4 x 2.4in Install DIN rail Working Temperature: ‑25 C ~ +40 C Humidity: < 90% Height: ≤2000m. Package List: 1 x Voltage Protection Device1 x English Manual