The Allen-Bradley 1756-TBNH, part of the ControlLogix series by Rockwell Automation, is a 20-pin screw-clamp terminal block designed to streamline connections. Weighing 0.3 pounds, it supports maximum power dissipation of 6.19 Watts and accommodates 20 AWG wires. Dimensioned at 5.51 x 4.41 x 5.71 inches, it operates between 32-140°F. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number/Catalog No. 1756-TBNH Series ControlLogix Module Type Terminal Block Clamp Type Screw-Clamp Pins 20-Pin Connection Weight 0.3 pounds (0.1 kilograms) Backplane Current (5Volts) 1,200 milliamps Backplane Current (24 Volts) 2.5 milliamps Power Dissipation (Max) 6.19 Watts Wire Size 20 AWG Dimensions 5.51 x 4.41 x 5.71 inches Operating Temperature 32-140 Fahrenheit (0-60 Celsius) Enclosure None UPC 10612598171856