Feature: 1. The monitoring protector can display voltage, current and power, with over‑under‑voltage and over‑current protection. 2. Overvoltage and overcurrent protection value, recovery value, protection action time can be adjusted. 3. Circuit failure recovery delay time and power‑on delay turn‑on time can be adjusted. 4. With the functions of resetting method selection, fault query, restoring factory settings, temporary battery clearing and cycle countdown, etc. 5. Use ABS material shell, is heat‑resistant and wear‑resistant, not easy to age after long‑term use. Specification: Item Type: Monitoring Protector Material: ABS Model: SVP-977 Rated Voltage 230VAC 50/60Hz Rated Current 1-80A adjustable (default is 63A) Overvoltage Protection Range 221V-300V-OFF adjustable (default is 280V) Overvoltage Recovery Voltage Adjustment Range 220V-299V (default is 250V) Overvoltage Protection Action Time 0.1-10s (default value is 0.1s) Undervoltage Protection Range 219V-150V-OFF adjustable (default is 160V) Undervoltage Recovery Voltage Adjustment Range 151V-220V (default value is 180V) Under Voltage Protection Action Time 0.1-10s (default value is 0.1s) Over Current Adjustment Range 1-80A (default value is 63A) Overcurrent Operating Range 0.1-512s (default value is 5.0s) Failure Recovery Delay Time 2-512s (default value is 60s) Power-on Delay Turn-on Time 2-255s (default value is 2s) Power Consumption ≤2W Electrical Machinery Life ≥4000 times Size Approx. 81 x 36 x 60mm / 3.2 x 1.4 x 2.4in Installation Method DIN rail Working Temperature -25-+40℃ Working Humidity