HONEYWELL 621-3552RC Description Description HONEYWELL 24VDC INPUT BD Related products HONEYWELL 620-1690C HONEYWELL STD924-A1A-00000-MB.3H+XXXX HONEYWELL DC3002-0-20A-2-89-0111-EN HONEYWELL 621-9990 HONEYWELL 621-6550 HONEYWELL 621-0000