Honeywell 621-1200 Description Description Honeywell 230V AC / DC Input Related products HONEYWELL 621-0010 HONEYWELL 621-6575 HONEYWELL 620-1690C HONEYWELL STD924-A1A-00000-MB.3H+XXXX HONEYWELL C7027A1031 HONEYWELL 621-3552RC