The Allen-Bradley 1756-A7XT by Rockwell Automation is a ControlLogix chassis with 7 slots for module integration. Accommodating multiple voltage levels, and with no enclosure, it operates between -25°C and 70°C. This open-style, versatile chassis is pivotal in managing complex automation tasks within industrial settings. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number/Catalog No. 1756-A7XT Series ControlLogix Module Type Chassis Slots 7 Backplane Current (Chassis/Slot Max) 1.2 V DC 1.5 A/-, 3.3 V DC 4 A/4 A, 5.1 V DC 15 A/6 A, 24 V DC 2.8 A/2.8 A (Series C; Varies with Revisions) Isolation Voltage Varies with Installed Power Supply and Modules Enclosure Type None (Open-Style) Operating Temperature -13-158 F (-25-70 C)