Allen-Bradley / Rockwell Automation Guardmaster Lifeline 4 Cable Pull Switch 440E-L2NNNYS

The Guardmaster Lifeline 4 Cable Pull Switch (part number 440E-L2NNNYS) from Allen-Bradley / Rockwell Automation is designed for emergency stop applications with a maximum cable span of 75 meters. It features two normally closed (N.C.) safety contacts and two normally open (N.O.) auxiliary contacts, ensuring reliable operation in safety-critical environments. The switch is constructed from stainless steel 316 and includes a polypropylen-coated steel cable actuator, providing durability and resistance to harsh conditions. This product has an ingress protection rating of IP66/IP67/IP69K, making it suitable for use in environments exposed to dust and water. It operates effectively within a temperature range of -25 ¬8C to +80 ¬8C (-13 ¬8F to +176 ¬8F) and has a mechanical and electrical life of 1,000,000 operations. The device requires proper installation and maintenance, including regular checks for functionality and signs of wear. It is important to adhere to the specified torque settings during installation to ensure optimal performance.