Power extension cable BLOW PSB-3X2.5-4G 50 m with grounding

BLOW PSB-3X2.5-4G 50 m with grounding is a drum-mounted power extension cable designed to distribute mains voltage over long distances while maintaining a reliable earth connection. The cable contains three 2.5 mm² conductors plus a protective earth conductor (4G) and is wound on a convenient drum for neat storage and controlled deployment. It is intended for use where extended cable runs and safe grounding are required, such as construction sites, workshops, outdoor events and temporary installations.

Advantages

The drum design provides orderly cable management and reduces tripping hazards during deployment and retrieval. The 2.5 mm² conductors deliver sufficient current capacity for a variety of power tools and equipment while the separate protective earth conductor ensures reliable earthing. The 50 m length allows flexible placement of power sources relative to work areas without multiple short extension leads. The construction is suitable for repeated rolling and unrolling, simplifying transport and storage.

Suitable for

• Temporary power distribution on construction sites
• Workshops and maintenance areas for power tools
• Outdoor events and stages requiring earthing
• Temporary installations where a single long run is needed

Key specifications

• Cable length: 50 m
• Conductors: 3 x 2.5 mm² + protective earth (4G)
• Cable type: flexible mains extension on a drum
• Insulation: durable flexible sheath suitable for handling and outdoor use
• Application environment: indoor and outdoor temporary installations

How to use

Place the drum on a flat, stable surface and secure it to prevent rolling during operation. Unwind the required length of cable to reach the power source and the equipment; avoid running the cable fully coiled under load to prevent overheating. Connect the supply plug to a compatible mains outlet and plug equipment into the extension socket(s), ensuring that the protective earth connection is maintained. After use, disconnect devices, wind the cable back onto the drum, and store the assembly in a dry place.

Usage recommendations

Inspect the cable and connectors before each use for visible damage, cuts or exposed conductors. Avoid sharp bends and areas with frequent foot traffic; use cable protectors if routing across public walkways. For prolonged or continuous high-current loads, monitor cable temperature and avoid exceeding the current rating appropriate for a 2.5 mm² conductor. Follow local electrical safety regulations and use a residual-current device (RCD) where required.