20–28VDC is the operating voltage listed for the product.
Use the same voltage and AC or DC type for the supply and the load. The wrong voltage can damage a coil or leave a door unlocked.
Products that run on 20–28VDC. Match the supply or lock power on the Transmitter Solutions page.
20–28VDC is the operating voltage listed for the product.
Use the same voltage and AC or DC type for the supply and the load. The wrong voltage can damage a coil or leave a door unlocked.
Source: Transmitter Solutions product training