The PROS NPE-177 Modulo Selector is a versatile electrical switch designed for industrial and commercial applications that require reliable circuit control. This two-pole rotary switch features a 1-0-2 switching configuration with a rated current of 20 A, making it suitable for various power distribution and control systems. The robust construction from durable materials ensures consistent performance in demanding environments, including electronics, refrigeration applications, communication systems, and energy solutions. The multicolored design provides a clear visual indication of switch positions, enhancing operational safety and user-friendliness. With standardized dimensions optimized for front panel mounting, this selector switch allows for straightforward installation and maintenance. Its resilient build and precise engineering make it a reliable component for electrical panels, machinery, and industrial facilities where precise circuit selection is essential. The neutral center position (0) offers a safe off-state between the two active positions (1 and 2), allowing for flexible control configurations. Designed to meet professional electrical standards, this switch maintains reliable operation under various temperature conditions and electrical loads. The clear position markings and tactile feedback ensure precise control during operation, while the durable housing protects internal components from environmental influences. Suitable for new installations and replacement applications in industrial environments, commercial buildings, and technical facilities that require robust electrical switching solutions.