Altech offers high-quality DOLD safety relays that meet international safety standards. These relays have force guided contacts to prevent contact failure. They come in 2 to 8 poles, 5 to 110VDC, and offer various socket options. DOLD Safety Relays are used in applications such as emergency stop modules, safety door controls, light barriers, and more. They are commonly used in equipment control systems like elevators, cranes, robots, and medical equipment.