1647666

Phoenix Contact's 1647666 represents the gold standard in Heavy Duty Connectors - Accessories solutions, developed for aerospace and defense applications. Its patented contact technology ensures zero signal degradation even under continuous mechanical stress, making it perfect for high-vibration environments.As a specialized Step-Up Adapter, this product incorporates innovative contact geometry that reduces insertion loss by 15% compared to conventional designs. The self-cleaning contact surfaces maintain stable impedance throughout the product lifecycle.Specifically engineered to complement Heavycon® Bases and Hoods, this accessory features intelligent coding mechanisms that prevent mismating. Its modular architecture allows for field-configurable options without requiring specialized tools.The M20 Thread to M25 Thread configuration delivers industry-leading current density (up to 5A/mm ) while minimizing thermal rise. Precision-machined features ensure repeatable mating cycles exceeding 10,000 engagements without performance degradation.