The ABB M2SSK2-101 Selector Switch is a robust and reliable component from ABB's modular plastic range, designed for ultimate flexibility and market-leading electrical ratings. Engineered for longevity and exceptional mechanical durability, its self-cleaning contacts ensure consistent operation without maintenance, maximizing uptime. With a high degree of protection, it guarantees reliability even in challenging environments. The innovative design facilitates easy and quick tool-free installation, making it the ideal solution for a wide array of applications..The ABB M2SSK2-101 is a 2-position, maintained selector switch with a key operation. It features a black plastic bezel and a black/key color. This non-illuminated switch is part of ABB's modular range and does not include a contact block. It operates within an ambient air temperature range of -25 to +70 degrees Celsius.