Pulse-Lok® Connectors Amphenol Alden Pulse-Lok® Connectors feature a unique locking system with visual, audible, and tactile engagement confirmation. These connectors are robustly constructed to endure thousands of mating cycles and offer a quick release action. The Pulse-Lok connectors are available in different contact types, including signal, power, high voltage, and ethernet. These connectors feature up to 78 conductors in a small package (ø0.5' to ø1.2') and offer Electro Magnetic Interference (EMI) shielding. The Pulse-Lok connectors are suited for medical, factory automation, and instrumentation field applications.