PV disconnect switch 4-pole 25A LS25 SMA A4 DC 4P 004660064

Photovoltaic Disconnector – Safety and Reliability of the Installation

This four-pole DC disconnect switch with a rated current of 25A is designed for the safe disconnection of photovoltaic installations. The LS25 SMA A4 model from ETI Polam is a key element in PV systems, providing the ability to isolate and maintain the installation. This device is dedicated to both professional installers and end-users who value safety and ease of use.

Functionality and Application

This disconnector is used in photovoltaic installations, allowing for the safe disconnection of solar panels from the inverter or other system components. Its design allows for easy mounting on a TH35 rail, facilitating integration with existing electrical infrastructure. Thanks to the ability to completely disconnect the circuit, the disconnector enables maintenance or service work to be carried out without the risk of electric shock. It meets the requirements for safety and maintenance disconnectors, making it a versatile solution for various applications in photovoltaic systems.

Construction and Characteristic Features

The device is characterized by a solid construction, ensuring long-lasting and reliable operation. Made of high-quality materials, it guarantees resistance to weather conditions and mechanical damage. Frame clamps facilitate wire connection, and the knob provides intuitive operation. The IP20 degree of protection protects against accidental contact. The device is designed for permanent installation and does not have a built-in motor drive. The maximum rated operating voltage is 1000V DC, and the rated continuous current is 25A. The rated conditional short-circuit current is 5kA. Compliance with PN-IEC 60364-7-71 confirms its safety and compliance with applicable regulations. The device is intended for installation in distribution boards.