Features By using silver contacts, the conductivity and life of the product can be significantly improved Built-in regular standby opening signal output port, which can be connected to a signal indicator light, which is convenient for observation outside the cabinet Use of high-quality flame retardant plastic material, good insulation, high temperature resistance, anti-ageing, safe and reliable If the normal power supply is abnormal, the emergency power supply works immediately to ensure the continuity, reliability and safety of the power supply Suitable for switching to the emergency power supply when the power fails, and for switching to the main power supply when the power arrives Specification: Item Type:Automatic Dual Power Transfer Switch Model: ZGQ5-100/4P Material: plastic. Purpose: switch to emergency power supply in case of power failure and switch to main power supply in case of power failure Operating frequency: 50-60 Hz. Rated current: 100 A. Rated voltage: AC110-230V. Operating voltage: AC 220 V. Operating mode: automatic and manual ATS: CB level Conversion time: ≤0.05 (S). Number of poles: 4P Application: 1. Place the automatic switch of the dual power supply on the debugging platform and connect the corresponding power line according to the correct phase sequence. The phase line and the neutral line are connected in their position and an incorrect connection is not allowed. 3. When debugging the three-pole switch, the common neutral and the replacement neutral should be connected to the neutral conductor terminal (NN and RN). 3. Adjust the automatic transfer switch with double power supply to work in self-rotation and self-reset mode. If the voltage of the two power supplies is normal, the switch should be placed on the common power supply position and the common power supply should be closed. 4. Set the common power supply NA, NB, NC, NN for each phase failure. The dual power supply should be automatically converted into the emergency power supply. When the shared power supply is back to normal, it should be converted back into the common power supply. Package list: 1 x automatic dual power transfer switch, 1 x user manual (English language not guaranteed) Package List 1 x Dual Power Automatic Transfer Switch 1 x User Manual