PS21S-NT0209-Y00 is a safety-type limit switch designed for monitoring and protection of industrial machines with angular movement protectors such as doors, hinges, and rotative covers. It features a metal body with IP66 degree of protection, a 1/2" NPT cable gland (N), fully turnable head (09), and T02 (2NC) slow action contact block configuration. The device offers a rated insulation voltage of 400V, conventional enclosed thermal current of 10A, and rated impulse withstand voltage of 6kV. With an operating temperature range of -25°C to +70°C, maximum actuation speed of 0.5m/s, and conformity to EN 50047 standards, this limit switch is ideal for use on sliding or pivoting protectors to ensure operator safety by immediately stopping machine drives when the mobile protector is opened.