ABB TU843 Redundant Vertical MTU 3BSE021443R1

Overview:

The TU843 Redundant Vertical MTU is designed for seamless integration with ABB’s S800 I/O modules. It serves as a termination unit that connects field wiring to I/O modules while offering up to 16 channels of I/O connections. With mechanical keying for module configuration and a secure locking mechanism for mounting, this MTU ensures reliable operation in industrial environments. The TU843 is part of a redundant system, ensuring minimal downtime and enhanced performance.

Technical Specifications:

• Brand: ABB
• Model: TU843
• Rated Maximum Continuous Current per Channel: 3 A
• Rated Maximum Continuous Current per Process Voltage Connection (L+): 10 A
• Process Connections: Up to 16 I/O channels, with 2 terminals per channel
• Acceptable Wire Sizes: Solid: 0.2 – 4 mm², Stranded: 0.2 – 2.5 mm², 24 – 12 AWG
• ModuleBus Distribution: 1.5 A for both 5 V and 24 V current distribution
• Stripping Length: 7 mm
• Dimensions: Width: 131 mm (5.16”), Height: 186.5 mm (7.34”), Depth: 64 mm (2.52”)
• Weight: 0.6 kg (1.3 lbs.)
• Protection Rating: IP20, Class I (earth protected)
• Rated Insulation Voltage: 50 V
• Dielectric Test Voltage: 500 V a.c.

FAQ:

• Q: How many I/O channels can the 3BSE021443R1 handle?
  A: It can support up to 16 I/O channels.
• Q: What is the maximum current per I/O channel?
  A: The rated maximum continuous current per I/O channel is 3 A.
• Q: Can I configure the MTU for different types of I/O modules?
  A: Yes, it has mechanical keying with 36 different configurations.
• Q: What is the process voltage rating for the 3BSE021443R1?
  A: Itsupports a rated maximum voltage of 50 V.
• Q: What is the protection rating of the 3BSE021443R1?
  A: It has an IP20 protection rating according to IEC 60529.

For more detailed information, please check official datasheet: S800_I_O_Modules_and_Termination_Units