The is an electric multiple unit (EMU) train type operated by the private railway operator Keisei Electric Railway since April 2025. The type initially began operations on the Shin-Keisei Line in December 2019. It shares a common design with the Keisei 3100 series.
The trains were jointly designed with Keisei Electric Railway and feature Shin-Keisei's "gentle pink" corporate design.
The 80000 series is formed as follows, with four motored cars and two trailer cars per set.
The trains use SiCâÂÂVVVF inverters which control 3-phase AC motors. The motor inverters used on the 80000 series offer a 19% reduction in power consumption over the IGBTâÂÂVVVF inverters used on the N800 series.
Seating accommodation consists of longitudinal seating throughout, providing a seating capacity of 43 in the end cars and 49 in the intermediate cars. A wheelchair space is provided near the crew compartment of the first car, and intermediate cars feature a free space for wheelchairs and strollers.
The seats are of a high-back design; their backs are higher than those of the N800 series. They are also thickened for improved passenger comfort. The seat partitions and vestibules are made of tempered glass to create a sense of openness. Unlike the Keisei 3100 series's seats, those of the 80000 series do not feature a foldable portion for storing luggage.
The interior also includes 17-inch passenger information displays, security cameras, and ceiling-mounted Plasmacluster ion generators.
In April 2019, Shin-Keisei announced its plans to introduce a new six-car train in Winter 2019.
Delivery from the Nippon Sharyo plant in Toyokawa began in October 2019.
A public trial run was to be held on 21 December 2019, and the first unit entered service on 27 December. A second set was built in October 2021 to replace 8000 series set 8512, and five 80000 series sets have been introduced into service.
On 1 April 2025, all sets were transferred to Keisei following its acquisition of the Shin-Keisei Electric Railway. The fleet was introduced on Chiba Line services on 21 December 2025. Repainting of the sets into the Keisei corporate livery was completed in February 2026.