Wera 781 B/A Adaptador isolado VDE, encaixe quadrado de 3/8" para sextavado de 1/4", bloqueio mecânico 05024692001

For electricians and maintenance technicians working on live circuits, the Wera 781 B/A VDE adapter provides a safe transition from 3/8" square drive tools to 1/4" hex bits. Its mechanical locking chuck holds bits securely, preventing accidental drop-out during overhead or confined-space work.

Key specifications

• Drive input: 3/8" square drive
• Drive output: 1/4" hex
• Locking mechanism: mechanical quick-release chuck
• Insulation: VDE-tested, rated for 1000 V AC / 1500 V DC
• Material: high-alloy steel with multi-component insulation
• Length: 75 mm
• Colour: red / yellow

Why choose it

The adapter is individually tested for dielectric strength, ensuring personal protection when working on live electrical components. Its compact length and secure bit locking reduce the risk of short circuits and dropped bits in tight spaces.

Ideal use cases

• Live working on electrical panels and junction boxes
• Driving insulated bits with a 3/8" ratchet or torque wrench
• Use with Wera VDE Kraftform Kompakt tools

Good to know

The adapter is part of the Wera VDE series and is compatible with all standard 1/4" hex bits. It meets the requirements for insulated hand tools according to IEC 60900.