All AP-24W is with same size, same shape, but difference of output 

power and voltage,  such as 9vdc or 12VDC or 15VDC or 24vdc.  Pls focus on the output power and voltage. 

Product characteristics:

Universal AC/DC input

High efficiency

Low ripple noise

Compact size: 49*37*22mm

Overload protection/Short circuit protection/Overheat protection

Built in EMC circuit

Built in EFT attenuator

Class II Isolation level

Low power consumption

No need for peripheral circuit design

Natural cooling of plastic shell

Three years warranty

Product application:

Industrial electrical equipment

Mechanical equipment

Industrial automation equipment

Handheld electronic devices

Wireless network

Telecommunications/data Communications

Instruments and meters

Intelligent field