Honeywell 621-3575 Description Description Honeywell 24V DC Input Related products HONEYWELL 621-6550 HONEYWELL 620-3691C HONEYWELL C7027A1031 HONEYWELL 620-0053 HONEYWELL 621-6575 HONEYWELL DM106-0-A-00-0-R-1-00000-000-E0