AC-DC Switching Regulated Power Supply 24VDC @ 1000mA; 2.1 x 5.5mm (+) center polarity; Part # SW-241PR
by PHC Enterprise, Inc.
$17.00
Part #: SW-241PR
Input: 100~240VAC
Output: 24VDC @ 1000mA
Plug: 2.1 x 5.5mm 
Wall-mount