Weidmüller AITB 4 BB L-L borne de instalação em calha, 4 mm², 400 V, 32 A, azul, ligação por parafuso, calha DIN

The Weidmüller AITB 4 BB L-L installation terminal block (model 2669070000) is a high-quality screw connection terminal block designed for reliable and safe electrical installations. With a rated cross-section of 4 mm², rated voltage of 400 V, and rated current of 32 A, it is suitable for a wide range of industrial and building applications. The terminal block features 2 potentials (L-L) and 4 connections, making it ideal for through-wiring and distribution tasks.

Advantages

Robust screw connection ensures secure and vibration-resistant wire termination. The blue colour coding clearly identifies the neutral or specific circuit. Compact design saves space on the DIN rail. Wide operating temperature range from -50 °C to +120 °C ensures performance in harsh environments. Complies with IEC 60947-7-1 and VDE 0611 Part 1 standards for safety and reliability.

Suitable for

• Industrial control panels
• Building electrical installations
• Distribution boards
• Lighting and power circuits
• Machine wiring

Key specifications

• Product Type: Installation Terminal Block
• Connection Method: Screw Connection
• Rated Cross-section: 4 mm²
• Rated Voltage: 400 V
• Rated Current: 32 A
• Number of Potentials: 2 (L-L)
• Number of Connections: 4
• Mounting Type: DIN Rail TS 35
• Colour: Blue
• Insulating Material: Wemid
• Wire Size (Solid): 0.5 - 6 mm²
• Wire Size (Flexible): 0.5 - 4 mm²
• Stripping Length: 10 mm
• Tightening Torque: 0.4 - 0.8 Nm
• Operating Temperature: -50 °C to +120 °C
• Pollution Degree: 3
• Standards: IEC 60947-7-1, VDE 0611 Part 1
• Number of Levels: 1

Recommendations

For optimal performance, use with appropriate screwdrivers and torque tools. Ensure proper stripping length and tightening torque as specified. Suitable for use with copper conductors only.