B&R 0TB3102-7011 Terminal Block (Power Interface)
May 27, 2026

B&R 0TB3102-7011 Terminal Block (Power Interface)

The B&R 0TB3102-7011 is a 2‑pin A‑coded screw‑clamp terminal block, serving as a high‑power wiring interface for B&R industrial control systems. Designed for heavy‑duty power distribution and signal transmission, it supports up to 6 mm² copper conductors, 600 V voltage, and 31 A current per contact. With a robust thermoplastic housing and vibration‑resistant screw‑clamp mechanism, it ensures stable and reliable connections in harsh industrial environments. The A‑coding feature enables precise mating with compatible B&R modules, preventing installation errors. As a dedicated power connection accessory, it simplifies high‑power wiring in control cabinets and field devices for industrial automation applications.

Description

B&R 0TB3102-7011 Terminal Block (Power Interface)

Product Introduction

The B&R 0TB3102-7011 is a 2‑pin A‑coded screw‑clamp terminal block, serving as a high‑power wiring interface for B&R industrial control systems. Designed for heavy‑duty power distribution and signal transmission, it supports up to 6 mm² copper conductors, 600 V voltage, and 31 A current per contact. With a robust thermoplastic housing and vibration‑resistant screw‑clamp mechanism, it ensures stable and reliable connections in harsh industrial environments. The A‑coding feature enables precise mating with compatible B&R modules, preventing installation errors. As a dedicated power connection accessory, it simplifies high‑power wiring in control cabinets and field devices for industrial automation applications.

Basic Information

  • Model: 0TB3102-7011

  • Brand: B&R (Bernecker + Rainer, ABB Group)

  • Product Type: Industrial screw‑clamp terminal block (power interface)

  • Number of Pins: 2 (single‑row)

  • Coding: Type A

  • Connection Type: Screw clamp (tool‑operated)

  • Pitch: 7.62 mm

  • Wire Cross‑Section: 0.2–6 mm² (solid/fine‑stranded copper); 0.25–6 mm² (with ferrule); 22–10 AWG

  • Rated Voltage: 600 VAC/VDC

  • Rated Current: 31 A per contact

  • Housing Material: High‑strength black thermoplastic

  • Protection Class: IP20

  • Operating Temperature: -25°C to +70°C

  • Storage Temperature: -25°C to +85°C

  • Humidity: 5%–95%, non‑condensing

  • Certifications: CE, UL/cULus, EAC

  • Origin: Imported (Austria)

  • Features: A‑coded, high‑current capacity, vibration‑resistant, tool‑operated screw clamp, touch‑safe design

Function and Positioning

The 0TB3102-7011 functions as a high‑power wiring interface for B&R I/O modules, PLCs, power supply units, and servo drives. It provides secure, maintenance‑free electrical connections for 24 VDC to 600 V power distribution, heavy‑duty sensors, actuators, and motor circuits. The screw‑clamp mechanism delivers consistent contact force, preventing loosening from vibration or thermal cycling in industrial environments. The A‑coding design ensures foolproof mating with compatible B&R modules, reducing installation errors and improving system reliability. Positioned as a high‑current, high‑reliability connection solution, it is ideal for demanding industrial applications requiring robust power and signal wiring.

Core Performance Parameters

  • Connection System: Screw clamp, tool‑operated (flat‑blade screwdriver compatible)

  • Conductor Type: Copper only (solid, stranded, fine‑stranded; no aluminum)

  • Rated Voltage: 600 VAC/VDC (max)

  • Rated Current: 31 A per contact, 62 A total

  • Contact Resistance: ≤4.5 mΩ (initial)

  • Dielectric Strength: 2.5 kV AC (1 minute)

  • Vibration Resistance: Compliant with EN 60068‑2‑6

  • Wiring Torque: 0.8–1.0 Nm (for clamp screws)

  • Durability: ≥50 insertion/removal cycles

  • Safety: Touch‑safe, no exposed live parts

  • Compatibility: Matches B&R X20/X67 I/O module footprints and A‑coded interfaces

General Compatible Accessories

  • B&R X20/X67 series I/O modules and PLCs

  • B&R 0TB series terminal blocks (0TB103.91, 0TB112.91, 0TB2105.9110)

  • B&R 24–600 VDC power supply modules (0PS105.1, 0AC913.93)

  • B&R ACOPOS servo drives and motion control systems

  • Standard 35 mm DIN rails and mounting hardware

  • Industrial power cables and wire end sleeves (0.2–6 mm²)

  • Flat‑blade screwdrivers (4.0 mm) for screw‑clamp operation

  • EMC filters and surge protectors for power circuits

  • B&R Automation Studio for system configuration and diagnostics

  • Labeling strips and cable markers for terminal identification

Applicable Equipment Fields

  • Industrial Control Cabinets: High‑current power distribution for B&R I/O and PLC systems

  • Machine Building: Heavy‑duty machinery, packaging lines, and industrial robots

  • Process Automation: Chemical, oil and gas, and metal processing plants

  • Energy: Wind turbines, solar inverters, and power generation equipment

  • Motion Control: Servo systems, motor control centers, and drive cabinets

  • Automotive: Production lines, welding equipment, and assembly stations

  • System Integration: Panel building, retrofit projects, and high‑power automation systems

  • Industrial IoT: Edge computing nodes, remote monitoring units, and high‑power sensor networks


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