Allen-Bradley 1771-A2B 8-Slot I/O Chassis

Allen-Bradley 1771-A2B is an 8-slot universal I/O chassis designed for use with PLC-5 controllers and I/O modules. It serves as the physical mounting and electrical interface for processor, I/O, and communication modules in PLC-5 systems. Controller Type: PLC-5 Chassis Type: Universal Input/Output Number of Slots: 8 Mounting Style: Back panel mount Style: Open Backplane Current Capacity: 16 Amps Backplane Voltage: 5 VDC Compatible Modules: PLC-5 processors, 1771 I/O modules, communication adapters Power Supply Compatibility: External 1771 power supply required (e.g., 1771-P7, 1771-P6) Keying: Module keying provided via chassis Cooling Method: Natural convection (no fan) Field Wiring Arm Compatibility: Varies by installed modules Operating Temperature: 0 to 60 °C (32 to 140 °F) Storage Temperature: –40 to 85 °C (–40 to 185 °F) Humidity: 5% to 95% non-condensing Dimensions: Approx. 17.5 x 5.25 x 10 inches Weight: Approx. 8 lbs without modules