Legrand 048 81 2-Pole Modular Distribution Block

Description

The Legrand 048 81 is a robust and reliable 2-pole modular distribution block designed for efficient power distribution in industrial and commercial electrical panels. Rated at 40A and 500V, it provides a secure and organized way to connect multiple conductors. Its compact design and DIN rail mounting capability make it a versatile choice for various applications. This unit is built to the EN 60947-1 standard, ensuring high performance and safety.

Specifications

• Manufacturer: Legrand
• Type Number: 048 81
• Number of Poles: 2
• Rated Current (In): 40A (at 40 deg C)
• Rated Insulation Voltage (Ui): 500V
• Rated Peak Withstand Current (Ipk): 20kA
• Rated Short-time Withstand Current (Icw): 3kA
• Mounting: DIN Rail
• Standard: Compliant with EN 60947-1

Label Info

• Brand: Legrand
• Model: 048 81
• Specs: 40A-40C, Ui 500V, Ipk 20KA, Icw 3KA

Application

This distribution block is ideal for use in control cabinets, distribution boards, and machinery for splitting power from a primary source to multiple secondary circuits. It is commonly used in building automation, industrial control systems, and power distribution applications.

CO2 Impact

By purchasing this pre-owned component, you are contributing to the circular economy and helping to reduce CO2 emissions. The production of a new unit is avoided, saving valuable resources and energy. This specific item saves an estimated 8 kg of CO2, comparable to the emissions of driving a car for 40 kilometers.

Availability

This item is a surplus part and may be obsolete from the manufacturer but is available from our stock. Condition is used but tested and fully functional. Order now from PLC2Day for expert support and fast delivery.

FAQ

While specific torques for this obsolete model are not readily available, a general guideline for similar-sized terminals (e.g., for 10-16mm2 wires) is typically around 2.0 to 2.5 Nm. Always verify with a torque screwdriver and ensure a secure, but not over-tightened, connection.

These types of blocks with brass terminals are primarily designed for copper (Cu) conductors. Using aluminum (Al) conductors requires special preparation, such as antioxidant paste and compatible terminals, to prevent galvanic corrosion. It is highly recommended to use only copper conductors with this block unless specified otherwise by the manufacturer for Al/Cu compatibility.

Each pole (bar) typically has a larger input terminal and multiple smaller output terminals. Based on the markings, it supports wire cross-sections from 0.75mm2 up to 10mm2. Each of the two bars has 12 connection points, allowing for extensive distribution from a single phase or line.

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Last Update: Friday, March 13, 2026