B&R X20TB12 Terminal Blocks

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B&R X20TB12 Terminal Blocks

Product Overview

The B&R X20TB12 is a 12-pin push-in terminal block designed for B&R’s X20 distributed I/O system. It enables tool-free wiring with lever-assisted cable release, making it ideal for industrial automation applications requiring quick installation and maintenance.

Key Features & Technical Specifications

1. Wiring & Connectivity

• Push-in Technology – Allows tool-free wiring for fast installation .

• Lever-Assisted Release – Simplifies cable removal without damaging wires .

• Wide Cable Compatibility – Supports:

  • Solid wires: 0.08–2.5 mm² (28–14 AWG)

  • Stranded wires: 0.25–2.5 mm² (24–14 AWG)

  • Ferruled wires: 0.25–1.5 mm² (24–16 AWG) .

• Stripping Length: 7–9 mm for optimal contact .

2. Electrical & Mechanical Specs

• Nominal Voltage: 240 V AC / 48 V DC (max. 300 V AC / 60 V DC) .

• Current Rating: 10 A per contact .

• Contact Resistance: ≤5 mΩ .

• Pin Spacing: 4.2 mm (left-right), 10.96 mm (top-bottom) .

3. Environmental & Safety

• Operating Temperature: Matches connected X20 module (typically -25°C to +60°C) .

• Protection Rating: IP20 (dust-resistant) .

• Certifications:

  • CE, UKCA, ATEX (Zone 2), UL, DNV, ABS, BV .

4. Labeling & Testing

• Marking Options – Supports text labels for easy identification .

• Test Access – Compatible with standard probes for diagnostics .

Applications

• Industrial Automation – Wiring for PLC-controlled machinery .

• Energy Systems – Connection of sensors and actuators in power plants.

• Process Control – Signal routing in chemical and water treatment systems .

Installation Notes

1. Compatibility – Works with X20 I/O modules (e.g., X20DI8371, X20DO8322) .

2. Mounting – Requires X20 base modules (e.g., X20BM11) for system integration .

3. Cable Selection – Use copper wires only (no aluminum) .

The structure and details of the product：

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