Ciena NTK505CEE5 Power Input Card Assembly Breakered 2 Wire

The Ciena NTK505CEE5 Power Input Card Assembly is a 40A breaker-enabled input module designed for the Ciena 6500-series shelf, providing a dedicated 2-wire power input path to the OM6500 backplane and incorporating overcurrent protection for the feed. This specific NTK505CEE5 model is described as a 40A power input card assembly (breakerED) with 2-wire input, and is identified in product listings as CIENA NTK505CEE5 - 40A Power Input Card Assy (Breakered) 2 Wire WMP1Z67DAB. Built for use in 6500 family equipment, the card serves as the main interface between the incoming power source and the shelf, enabling reliable power distribution to line-side components while maintaining individual-circuit protection. The assembly is commonly cataloged under OM6500 miscellaneous hardware and is recognized by its 40A rating and 2-wire input configuration, making it a targeted replacement part for service and field maintenance of compatible 6500 systems.