Honeywell 621-3600 Description Description Honeywell 48V DC Sink Input Related products HONEYWELL DM106-0-A-00-0-R-1-00000-000-E0 HONEYWELL 621-6550 HONEYWELL 621-0009 HONEYWELL 621-3580 HONEYWELL 621-9990 HONEYWELL 621-9937