SIMBLOCK STB 300 threaded busbar connector - Al/Cu, 87910, grey 81301002

Universal busbar connector for Al/Cu wires

The SIMBLOCK STB 300 threaded busbar connector is a reliable solution for connecting aluminum and copper wires in electrical installations. Designed for both professionals and end-users, it provides a safe and durable connection with a cross-section of up to 300 mm². The connector's design is intended for easy installation and convenient operation, and additional features, such as the ability to connect a measuring connector, increase its functionality.

Construction and application

The STB 300 connector is made of high-quality materials, guaranteeing its durability and resistance to environmental conditions. Its threaded construction allows for a secure and stable connection of the wires, minimizing the risk of loosening connections during operation. The use of Allen screws with a fine thread further increases the clamping force, ensuring optimal electrical contact. A measuring connector, available in this version (from 95 mm²), allows easy access to the measurement point without disconnecting the circuit – this is particularly useful when checking the condition of the installation and monitoring operating parameters.

The connector finds wide application in various areas:

• Electrical installations in residential and industrial buildings
• Electrical switchboards
• Machine and equipment construction
• Industrial automation
• Wind turbines and photovoltaic installations
• Shipbuilding and mining industry

Key features and benefits

• Versatility: Ability to connect aluminum and copper wires with a cross-section of up to 300 mm².
• Safety: Secure and stable connection thanks to the threaded construction and high-quality materials.
• Easy installation: Allen screws with a fine thread ensure quick and convenient installation.
• Additional features: The ability to connect a measuring connector facilitates monitoring the condition of the installation.
• Durability: Robust construction resistant to environmental conditions.
• Protection: Housing protects against accidental contact with live parts.
• Compatibility: Mounting on a standard TS 35 rail and mounting plate.
• Availability of accessories: Dedicated OSTB dust covers provide additional protection against dirt and allow for marking connections.

Using SIMBLOCK STB 300 connectors guarantees reliability, safety and comfortable work during the implementation of electrical installations. Thanks to its high-quality workmanship and thoughtful design, this product will meet the expectations of even the most demanding users.