- Part Number: 3BDH000044R1
- Type: Module Termination Unit (MTU)
- Model Name: TU812V1
- Series: S800 I/O
- Mounting: DIN rail
- Termination: Screw terminals
- Protection: Non‑fused
- Profile: Slim type
- Operating Temperature: -25°C to +60°C
- Protection Rating: IP20
- Compatible with: Standard S800 I/O modules
- Condition: New / Surplus
- Warranty: 1 Year
Description
ABB 3BDH000044R1, also known as TU812V1, is a non-fused slim-type module termination unit for the S800 I/O system. It provides compact field wiring terminals and mechanical mounting for S800 I/O modules.
This slim‑profile termination unit is designed for space‑optimized installations in ABB 800xA, AC500, and AC800M control systems. It features screw terminals for reliable field wiring, DIN‑rail mounting, and no integrated fusing. It is widely used in compact control cabinets and high‑density I/O setups.








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