ABB TU837/TU837V1 Extended MTU 3BSE013238R1

Overview:

The TU837/TU837V1 Extended MTU (Module Termination Unit) is a passive unit designed for connecting field wiring to S800 I/O modules. It features up to 8 isolated I/O channels and is ideal for applications requiring a maximum rated voltage of 250V and current of 3A per channel. With robust mechanical keying and a locking mechanism, it ensures secure module installation and prevents incorrect module insertion.

Technical Specifications:

• Model: TU837/TU837V1 (S800 I/O MTU)
• Maximum Rated Voltage: 250V
• Maximum Rated Current (per channel): 3A
• Signal Return Current (N1, N2): 10A
• ModuleBus Current Distribution: 1.5A (5V), 1.5A (24V)
• Fuse Rating: 3.15A (fast glass tube, 5×20 mm)
• Wire Size (Signal Connections):
  • Solid: 0.2 – 6 mm²
  • Stranded: 0.2 – 4 mm² (24 – 10 AWG)
• Wire Size (Return Connections):
  • Solid: 0.2 – 4 mm
  • Stranded: 0.2 – 2.5 mm² (24 – 12 AWG)
• Torque Requirement: 0.5 – 0.6 Nm
• Dielectric Test Voltage: 2000V a.c.
• Protection Class: Class I (Earth protected)
• Protection Rating: IP20 (IEC 60529)
• Weight: 0.26 kg (0.57 lbs)
• Dimensions (WxDxH): 126 mm x 64 mm x 110 mm

FAQ:

1. What is the maximum voltage rating of the 3BSE013238R1?
   • The maximum voltage is 250V, ideal for various industrial applications.
2. How many I/O channels does the 3BSE013238R1 support?
   • It supports up to 8 isolated I/O channels.
3. What is the purpose of the mechanical keying?
   • The mechanical keying prevents incorrect I/O module insertion and allows for 36 configuration combinations.
4. What is the protection rating?
   • The unit has an IP20 protection rating, ensuring it is protected from solid objects greater than 12 mm in diameter.

For more detailed information, please check official datasheet: S800_I_O_Modules_and_Termination_Units