May 27, 2026

B&R 0TB3102-7011 Terminal Block

The B&R 0TB3102-7011 is a 2‑pin A‑coded screw‑clamp terminal block designed for high‑current and high‑voltage wiring in industrial automation. With a 7.62 mm pitch and support for up to 6 mm² copper conductors, it delivers robust, vibration‑resistant connections for power circuits and heavy‑duty signals. The durable thermoplastic housing and reliable screw‑clamp mechanism ensure long‑term stability in harsh environments, while the A‑coding feature guarantees precise mating and error‑free installation. As a dedicated power connection accessory for B&R control systems, it simplifies high‑power wiring in control cabinets and field devices.

Description

B&R 0TB3102-7011 Terminal Block

Product Introduction

Basic Information

Model: 0TB3102-7011
Brand: B&R (Bernecker + Rainer, ABB Group)
Product Type: Industrial screw‑clamp terminal block
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 thermoplastic
Protection Class: IP20
Operating Temperature: -25°C to +70°C
Certifications: CE, UL/cULus compliant
Origin: Imported (Austria)
Features: A‑coded, high‑current capacity, vibration‑resistant, tool‑operated screw clamp

Function and Positioning

The 0TB3102-7011 functions as a high‑power wiring interface for B&R I/O modules, PLCs, and power supply units. 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)
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

Contact Info