Product details
Overview
The TU842 is a 16-channel Module Termination Unit (MTU) designed for use with ABB’s S800 I/O modules in a redundant configuration. Ideal for 50V applications, this module is used in a wide range of industrial automation systems requiring reliable field wiring connections to I/O modules. The TU842 provides a robust and efficient solution for process power distribution and ModuleBus connectivity.
Technical Specifications
- Brand: ABB
- Model: TU842
- Rated Voltage: 50 V
- Max Current: 3 A per I/O channel
- Max Current (Process Power): 10 A
- Wire Size Compatibility: Solid: 0.2 – 4 mm²; Stranded: 0.2 – 2.5 mm², 24 – 12 AWG
- Torque: 0.5 – 0.6 Nm
- Stripping Length: 7 mm
- IP Rating: IP20 (protected from solid objects over 12mm, no protection from water)
- Dimensions: 131 mm (W) x 64 mm (D) x 186.5 mm (H)
- Weight: 0.6 kg (1.3 lbs.)
- Insulation: 50 V rated insulation, 500 V AC dielectric test
- Compliance: IEC 61140 (Class I, earth protected)
- ModuleBus Current Distribution: 1.5 A at 5V and 24V
FAQ
Q: What is the maximum number of I/O channels the 3BSE020850R1 can support?
A: It can support up to 16 I/O channels.
Q: How do the mechanical keys work?
A: The mechanical keys allow for up to 36 different configurations, ensuring compatibility with various I/O modules. Each configuration can be adjusted using a screwdriver.
Q: What is the rated insulation voltage?
A: The rated insulation voltage is 50 V.
Q: Is the 3BSE020850R1 compatible with all ABB I/O modules?
A: It is compatible with ABB S800 I/O modules and provides specific configurations for different types of modules.
For more detailed information, please check official datasheet: S800_I_O_Modules_and_Termination_Units
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