Air disconnect switch RNMp III SA 24/4 03-019

Air disconnect switch – reliable protection for medium voltage networks

The RNMp III SA 24/4 air disconnect switch is a key element of power infrastructure, designed for the safe switching of medium voltage circuits. This device is used in both transformer stations and overhead lines, providing effective isolation and protection against short circuits and overloads. The switch design allows for installation in various configurations, adapting to specific working conditions and installation requirements.

Construction and application

The RNMp III SA 24/4 is characterized by a modular construction, which facilitates its assembly and servicing. It is a modular vertical three-pole air disconnect switch with earthing, designed to operate at a rated voltage of 24 kV and a current of 400 A. It is made of high-quality materials, which guarantees its durability and reliability even in harsh weather conditions. The possibility of using porcelain, composite or silicone insulators allows the switch to be adapted to the specific needs of the investor.

• Modular construction: Allows flexible adaptation to different network configurations.
• Three-pole design: Ensures simultaneous disconnection of all phases of the circuit.
• Vertical installation: Intended for mounting on poles or other supporting structures.
• Insulators: Availability in versions with porcelain, composite or silicone insulators – the choice of insulator affects resistance to weather conditions and maintenance requirements.
• Earthing: The earthing function provides additional safety during maintenance and repair work.

Advantages and benefits

Choosing the RNMp III SA 24/4 disconnect switch is an investment in the safety and reliability of the power network. Its solid construction and ability to adapt to specific working conditions make it an ideal solution for both professional installers and end users.

• High reliability: Ensured by careful workmanship and the use of high-quality materials.
• Safety: The earthing function minimizes the risk of electric shock during service work.
• Easy assembly and servicing: Modular construction facilitates installation and component replacement.
• Long service life: Resistance to weather conditions guarantees long-term use without the need for frequent repairs.
• Versatility: The ability to use different types of insulators allows adaptation to specific installation requirements.

Additionally, it is worth mentioning the possibility of using this disconnect switch with surge arresters, which further increases the level of network protection against the effects of unwanted voltage increases. ALPAR disconnect switches meet strict quality standards, confirming their compliance with applicable regulations and industry standards.