Features EnhaConductiAnd LongevEquisiacontfor dynand stpatranswsignificaimprconductiand prolthe produlifespan. SiOuPFeatua bin stadisconsioupswalfor connecto siindiclifor extemonitoand observation. ContinPSupInepouthe southe bapsoimmediaactivto encontinureliaand psupply. AutomAnd MaOperatSwcan opeautomaticor manuaenabseammilliseswitcwitpinterruptIts comstructrelitransmissand applicarit suitfor varsettwuninterrupsuis critical. PP FRetardConstrufretarplamaterswofexcelinsulattemperaresistaapropertand enssaand reliability. Spec: Item Type: Automatic Transfer Switch Material: PP flame retardant, silver alloy Purpose: Transfer to standby power supply during power failure, transfer to main power supply during incoming call Working Frequency: 50/60 HZ Rated Current: 63 A Number Of Poles: 3 P Operation Mode: Automatic and manual Conversion Time: 50 ms Size: Approx. 69 x 36 x 96 x 125 mm / 2.7 x 1.4 x 3.8 x 4.9 in How to Use: Before installation, check the integrity of the ATS, switch it on or off with the operating handle, check the flexibility of the drive and test the conditions for generating and disconnecting loads in each phase of the normal and standby power supply. packing list: 1 x Automatic Transfer Switch Note: 1. The maximum surrounding temperature should not exceed 40℃, the minimum temperature should not be lower than ‑5℃, and the average temperature in 24 hours should not be higher than 35℃ 2. The altitude of the installation site should not be higher than 2000m 3. When the maximum temperature reaches 40℃, the relative humidity of the installation site should not be more than 50%; when the temperature is the lowest temperature ‑5℃, the relative humidity is higher, e.g. the temperature is 25℃, then the relative humidity is 90%. Due to temperature changes, special measures should be taken to deal with occasional condensation on the surface of the product Package List 1 x Automatic Transfer Switch