Honeywell 621-6701 Description Description Honeywell 120V DC PNP SRC Output Module Related products HONEYWELL 621-0010 HONEYWELL STD924-A1A-00000-MB.3H+XXXX HONEYWELL 620-0041 HONEYWELL 621-6550 HONEYWELL 620-3590 HONEYWELL 621-3560