TU837V1 Terminal Block - ABB 8-Channel I/O Module

ABB 3BSE013238R1 / TU837V1 Extended I/O Terminal Block

The ABB 3BSE013238R1 / TU837V1 is an extended I/O terminal block. It provides 8 channels for industrial control systems. This terminal block works with DO820 and DO821 I/O modules.

Technical Specifications

• Brand & Model: ABB 3BSE013238R1 / TU837V1
• Product Type: Extended I/O Terminal Block
• Connection Type: Terminal Block Connection
• Channels: 8 Independent Channels
• Voltage Rating: 250 V Maximum
• Current per Channel: 3 A Maximum
• Process Connections: 28 Total Connections
• I/O Compatibility: DO820, DO821 Modules
• Configuration: Single I/O (Non-redundant)
• Dielectric Test: 2000 V a.c. Rated

Electrical Specifications

• Signal Wire Sizes: Solid 0.2-6 mm², Stranded 0.2-4 mm², 24-10 AWG
• Signal Torque: 0.5-0.6 Nm Recommended
• Signal Stripping: 8 mm Length Required
• Return Wire Sizes: Solid 0.2-4 mm², Stranded 0.2-2.5 mm², 24-12 AWG
• Return Torque: 0.5-0.6 Nm Recommended
• Return Stripping: 7 mm Length Required
• Max Process Current: 10 A per Connection

Physical Specifications

• Weight: 0.26 kg (0.57 lbs)
• Width: 126 mm (5 in) with connector
• Installed Width: 120.5 mm (4.74 in) edge-to-edge
• Depth: 64 mm (2.52 in) including terminals
• Height: 110 mm (4.3 in)
• Mounting: Both Direction Mounting Capable
• Temperature: 55°C (131°F) Mounting Temperature

Key Features

• 8-channel terminal block for extended I/O systems
• 250V voltage rating for industrial applications
• Dual-direction mounting for installation flexibility
• Compatible with ABB DO820 and DO821 modules
• 28 process connections for comprehensive wiring
• 3A maximum current per I/O channel
• Lightweight 0.26 kg design for easy handling

Installation Specifications

• Mount in both horizontal and vertical directions
• Use 0.5-0.6 Nm torque for terminal screws
• Strip wires to 8mm (signal) and 7mm (return)
• Maintain 55°C maximum mounting temperature
• Follow 2000V a.c. dielectric test specifications
• Use compatible DO820 or DO821 I/O modules

Frequently Asked Questions

What I/O modules are compatible?

• This terminal block works with ABB DO820 and DO821 I/O modules. It provides connection for these specific module types.

What is the current rating per channel?

• Each channel supports 3A maximum current. The 3BSE013238R1 / TU837V1 provides 10A maximum per process connection.

What are the weight and dimensions?

• The terminal block weighs 0.26 kg (0.57 lbs). Dimensions are 126mm width, 64mm depth, and 110mm height for installation planning.