Honeywell 621-3600 Description Description Honeywell 48V DC Sink Input Related products HONEYWELL 621-3552RC HONEYWELL 620-0090 HONEYWELL 620-1690 HONEYWELL 621-6550 HONEYWELL DM106-0-A-00-0-R-1-00000-000-E0 HONEYWELL AX51-061-001