Overview
The ABB TU811V1 3BSE013231R1 is an 8-channel 250 V Compact Module Termination Unit designed for the S800 I/O system. It connects field wiring to I/O modules and distributes the ModuleBus between the I/O module and subsequent MTUs. Its compact design, mechanical keying, and DIN rail mounting make it ideal for reliable and space-saving installations.
Key Features
- Supports 8 isolated channels with up to 250 V rating.
- Facilitates ModuleBus connection to I/O modules and other MTUs.
- Mechanical keying offers 36 configurations, preventing incorrect module insertion.
- Secure DIN rail mounting with latching device for grounding.
- Compatible with DI820, DI821, DO820, and DO821 modules.
Technical Specifications
| Specification | Value |
|---|---|
| Model Number | 3BSE013231R1 |
| Product Type | Compact MTU |
| Voltage Rating | 250 V |
| Channels | 8 isolated channels |
| Max Current per Channel | 3 A |
| Mounting Options | Horizontal (≤55 °C), Vertical (≤40 °C) |
| Wire Sizes | Solid: 0.2–4 mm²; Stranded: 0.2–2.5 mm² (24–12 AWG) |
| Recommended Torque | 0.5 – 0.6 Nm |
| Stripping Length | 7 mm |
| Dielectric Test Voltage | 2000 V a.c. |
| Protection Class | IP20 (IEC 60529) |
| Dimensions (W × D × H) | 64 × 64 × 170 mm (2.52 × 2.52 × 6.7 in.) |
| Weight | 0.17 kg (0.37 lbs) |
Environmental and Certification
- CE Marked and UL compliant.
- Meets EN 61010-1, EN 61010-2-201, and marine certifications (ABS, BV, DNV-GL, LR).
- Operating temperature: 0 to +55 °C.
- Storage temperature: -40 to +70 °C.
- Humidity: 5%–95%, non-condensing.
- Corrosion protection per ISA-S71.04: G3.
- EMC compliance with EN 61000-6-2 and EN 61000-6-4.
- RoHS and WEEE compliant.
Applications
The TU811V1 Compact MTU is widely used in process automation and industrial control systems. It ensures reliable wiring connections, secure grounding, and simplified module installation in the S800 I/O series.
Details
| Weight | 0.17 kg |
|---|---|
| Dimensions | 64 × 64 × 170 mm |
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