Allen Bradley T8833 | Allen-Bradley ICS Triplex Trusted 20 Channel Isolated AI/DI FTA

Overview Model Number: T8833 Product Name: Trusted® 20 Channel Isolated AI/DI Field Termination Assembly (FTA) Manufacturer: Allen-Bradley ICS Triplex Function: Provides isolated analogue input/digital input (AI/DI) channels as an interface between field devices and the T8433 Isolated Analogue Input Module. Features Channels: 20 isolated input channels per FTA. Compatibility: Mounts on standard DIN rails for easy installation. Operation: Loop-powered with straightforward connection setup. Specifications Field Supply: Field Loop Voltage: 24 VDC (nominal). Power Dissipation: 0.315 W per channel at 30 mA loop current, with a maximum of 6.3 W. Isolation: Field Common: Not applicable. Channel-to-Channel: 50 V reinforced (continuous), type-tested at 1411 VDC for 60 seconds. Circuit-to-Chassis Ground (Slider Clamp / DIN Rail): 50 V reinforced continuous, type-tested at 2436 VDC for 60 seconds; 250 V basic fault isolation. Field Current Loop (per Channel): 2 mA to 30 mA. Field Loop Voltage Drop (at 20 mA): 9.5 V. Operating Temperature: 0 °C to +60 °C (+32 °F to +140 °F). Storage Temperature: -20 °C to +70 °C (-4 °F to +158 °F). Humidity (Operating and Storage): 10% – 95%, non-condensing. Dimensions Height: 120 mm (4.72 in) Width: 336 mm (13.23 in) Depth: 50 mm (1.97 in) Weight: 500 g (1.1 lb) Notes 50 Vrms Secondary Circuit: Derived from mains, OVC II up to 300V. 250 Vrms Mains Circuit: OVC II up to 300V, with exposure to high voltages temporally limited to meet system MTTR requirements.