BRAND: ALTRONIX# MODEL: SMP-5# # POWER SUPPLY TYPE, CARD WITH BACKUP CAPABILITY AND OUTPUT SELECTABLE IN 6, 12 AND, 24, VDC AT 4 A# # # # REQUIRES 16 VAC TO 24 VAC INPUT TRANSFORMER# # OUTPUT 6, VDC, 12 VDC, 24 VDC AT 4 AMP# # # OUTPUTS FILTERED AND ELECTRONICALLY REGULATED, ELECTRONICALLY REGULATED AND FILTERED OUTPUTS# # # OVERVOLTAGE AND SHORT CIRCUIT PROTECTION# # # DIMENSIONS : 76.2 X 88.5 X 88.5 MM, DIMENSIONS : 76.2 X 88.9 X 50.8 MM# # # WEIGHT 158, G.