HONEYWELL 621-3560 Description Description HONEYWELL INPUT MODULE 24VDC 16POINT Related products HONEYWELL 620-1690C HONEYWELL 621-0009 HONEYWELL 621-6575 HONEYWELL 621-2200 HONEYWELL 620-0053 HONEYWELL DC3002-0-20A-2-89-0111-EN