Used Mean Well PSP-500-24F 24 VDC Switching Power Supply.  Excellent condition and works as it should.

Input:  
100-240 VAC
Output:  
24 VDC 16.7 A 400 W (with 100-120VAC input)
24 VDC 20.8 A 500 W (with 200-240 VAC input)