The ABB OSZT4A is a high-quality disconnect switch designed for optimal performance and safety. This model features an off-mechanical interlock specifically tailored for OS1200 systems, ensuring reliable disconnection and enhanced operational security. With a compact and durable design, the OSZT4A weighs just 1 lb, making it easy to handle and install. Ideal for industrial settings requiring robust and precise power management solutions, this disconnect switch is a dependable choice for maintaining system integrity and safety.