12V3A access control UPS power supply Specification:

Input power          190-265V AC@50-60HZ

Output power        12VDC15%tolerance

Output current       3Amp Maximum

Standby Battery     12V7AH

Electrical features:

Output short-circuit protection

Output current limiting and over voltage protection

Separate standby battery circuit with fast changeover

Standby battery voltage shutdown below 10.8VDC

12V3A access control UPS power supply--switch power supply