The ALTRONIX-ACM4 is an Access Power Controller with 4 fused outputs and 12-24VAC or DC operation.The four outputs are independently controlled and outfitted with fuses to provide reliable surge suppression. Removable terminal blocks make for easy installation. Also known as -ACM4 Power Module-ACCESS DIST MOD 4 FUSE PWR OUT-Altronix ACM4 Power Module