Modular disconnecting switch 3P 100A 400VAC SBN390

Modular isolating switch – safety and functionality in one

This 3-pole Hager SBN390 isolating switch with a rated current of 100A and a voltage of 400VAC is a reliable solution for safely disconnecting electrical circuits. Designed for both residential and industrial installations, it provides effective isolation and protection against accidental switching on during maintenance or repair. Its compact design, taking up 3 modules, allows for efficient use of space in the distribution board.

Characteristics and application

The SBN390 switch is used to completely disconnect the circuit from the power supply, which is crucial during service or emergency work. Thanks to its high switching capacity (1,692 kA), it can withstand high short-circuit currents, ensuring the safety of the installation. Its solid construction and high quality of workmanship guarantee long-term and trouble-free operation. It is ideal as a main switch in a distribution board, as well as an element of control installation.

Key features and benefits

• High reliability: The rated conditional short-circuit current (Icc) is as high as 1.2 kA, which provides effective protection against the effects of short circuits.
• Compact dimensions: A width of 3 modules allows for economical use of space in the distribution board.
• Safety of use: Provides complete circuit isolation after switching off, minimizing the risk of electric shock during maintenance work.
• Durable construction: Made of high-quality materials, guarantees long life and trouble-free operation.
• Versatility: Suitable for use in both residential and industrial installations.
• IP20 protection: Protection against touching with fingers and solid objects with a diameter greater than 12.5 mm.
• Adapted to work in a wide temperature range: From -20°C to +70°C ensures reliable operation even in difficult environmental conditions.
• Screw terminals: Allow for secure and durable connection of wires with a cross-section from 6 mm² to 50 mm².

The Hager SBN390 switch is characterized by a number of poles equal to 3, a rated current of 100A and a rated voltage of 400V. Its switching capacity reaches 1,692 kA, and the short-circuit strength (Icw) is 1.2 kA. The device has a width of 3 modules and an installation depth of 68 mm.

The Hager SBN390 switch is an investment in the safety and comfort of using the electrical installation. Its solid construction and high quality of workmanship guarantee trouble-free operation for many years. It is a product recommended for both professional installers and demanding end users.