SNCF Class Z 8800
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The SNCF Class Z 8800 is a double-deck, dual-voltage
electric multiple unit An electric multiple unit or EMU is a multiple-unit train consisting of self-propelled carriages using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a number o ...
trainset that are operated by
SNCF The Société nationale des chemins de fer français (, , SNCF ) is France's national State-owned enterprise, state-owned railway company. Founded in 1938, it operates the Rail transport in France, country's national rail traffic along with th ...
on the
Réseau Express Régional The (; ), commonly abbreviated RER (), is a hybrid commuter rail and rapid transit system serving Paris and its suburbs. It acts as a combined city-center underground rail system and suburbs-to-city-center commuter rail, similar to the Elizabe ...
(RER), a hybrid suburban commuter and
rapid transit Rapid transit or mass rapid transit (MRT) or heavy rail, commonly referred to as metro, is a type of high-capacity public transport that is generally built in urban areas. A grade separation, grade separated rapid transit line below ground su ...
system and the
Transilien Transilien () is the brand name given to the commuter rail and tram-train network operated by SNCF and serving ÃŽle-de-France, the region surrounding and including the city of Paris. The network consists of lines Transilien Line H, H, Transilie ...
, a suburban commuter rail system, both serving
Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
and its
ÃŽle-de-France The ÃŽle-de-France (; ; ) is the most populous of the eighteen regions of France, with an official estimated population of 12,271,794 residents on 1 January 2023. Centered on the capital Paris, it is located in the north-central part of the cou ...
suburbs. The 58 trainsets were built by a
consortium A consortium () is an association of two or more individuals, companies, organizations, or governments (or any combination of these entities) with the objective of participating in a common activity or pooling their resources for achieving a ...
of
ANF ANF may refer to: Companies * ANF (real estate), a French property-management company * ANF Les Mureaux, a French aircraft manufacturer 1918–1937 * Ateliers du Nord de la France, a French locomotive manufacturer * Abercrombie & Fitch (NYSE symbol ...
, , and TCO between 1985 and 1988


Description

While the Z 5600s had only 1.5 kV DC, SNCF ordered a second series of dual-current 1.5 kV DC / 25 kV AC trainsets for the extension of the RER C to Argenteuil and Montigny-Beauchamp known as connection name "Vallée de Montmorency - Invalides" (VMI). The use of single-phase current implied the addition of a transformer in each motor near the intercirculation, hence the disappearance of two windows at this location on the left side compared to the Z 5600s. the only difference visible to the traveler between the two models., url=http://transportparis.canalblog.com/archives/2013/11/23/28494280.html , access-date=January 18, 2021 , website=transportparis.canalblog.com , language=fr


Services operated

The Z 8800s were all assigned to the Ardoines workshop to provide service to line C of the Paris RER in 1985. Originally intended for the VMI, some of them however began their career, on line D of the RER, between 1987 and 1988 on the Châtelet - Villiers-le-Bel section. From the opening of the VMI in 1988, they will in reality serve all branches of the RER C, with the exception of the circular service Versailles-Chantiers / Versailles-Rive-Gauche. Since 1996, the opening of the La Défense - La Verrière line ( Line U) has given them the opportunity, with the Z 20500s, to travel to the Transilien Paris Saint-Lazare network. Finally, due to the renovation of the VB 2N trainsets since 2003, some suburban trains to Dreux, Plaisir - Grignon and Mantes-la-Jolie are operated by Z 8800s.Some Z 5300 failures lead to the use of Z 8800s for carry out Paris-Montparnasse - Rambouillet connections. The Z 8800s were also likely to be engaged on the Saint-Lazare network instead of the Z 20500s, before the arrival of the Z 50000s, to carry out MALA missions to Mantes-la-Jolie or NOPE missions to Nanterre-Université . More rarely, they could also be on the Transilien Paris-Est network by providing MICI missions to Meaux. Most of the Z 8800 trains are assigned to the Ardoines workshop on line C of the RER network, but can be seen on all Transilien networks in Île-de-France with the exception of the North and South-East suburbs. Since the opening of the Trappes workshop in 2006, eighteen trains have been assigned to it. In 2016, the Z 8800s can perform any RER C mission, all line U missions (La Défense - La Verrière) and some line N missions (Paris-Montparnasse - Sèvres-Rive-Gauche in duet with VB2N trains, in rush hour and Paris-Montparnasse - Rambouillet in the evening).


Formations

, 57 Z8800 trainsets (01B–58B) are based at the Les Ardoines (RER C) and Trappes (Transilien U) SNCF depots. As shown below, they are formed with two motored cars and two non-powered (trailer) cars (2M2T). * < or > show a pantograph. Cars 1 and 4 are each equipped with one pantograph. * Car 2 was formerly a mixed 1st class and 2nd class car.


Fleet

The fleet of 57 trainsets is managed by two technical fleet supervisions, "supervisions techniques de flotte"(STF): * Listing off Z8800 fleet (in french) The Z 8895 was a prototype of a two-current model with asynchronous motors supplied by thyristor current inverters (1,400 kW, April 1985, returned to type in June 1988).


Refurbishment

Since September 2010, the Z 8800s have been gradually renovated at the Nevers workshops: installation of interior equipment, such as anti-laceration seats with incorporated footrests, similar to the VB 2N Transilien, the on-board passenger information system (SIVE), video surveillance and endowment of a livery almost identical to that of the last Z 20900. The renovation also consists of removing the folding seats, the interior partitions of the Zrab car from the train, which separates the former first class / second class areas. The removal of the first class seats slightly increases the capacity of the trainsets: configuration 3 + 2 instead of 2 + 2. Unlike previous renovations (RIO, VB 2N), the Z 8800 will not receive air conditioning. The slight improvement made has also provoked the anger of user associations. The first renovated train (15 B) has been running since autumn 2010 and the last (07 B) has been running since mid-September 2013 (only Line U trainsets). RER C trainsets (with the exception of the 20 B train which has been renovated in Transilien livery) will receive the Carmillon livery and different interior colors from the trains in Transilien livery. The first to receive it is the 45 B and the last is the 56 B, returned in March 2017. Since the start of 2017, the Z 8800 trainsets in Transilien livery, which have not been fitted with the on-board passenger information system or video surveillance, have left for the workshops in Nevers to receive them. As of 11 February 2018 trainsets 10 B, 06 B, 02 B, 16 B, 15 B and 08 B have received this equipment.


Replacement

The trains are to be replaced by cascaded Z 20500 from the RER D, which in turn, will receive new RER NG trains.


Photo gallery


Exterior

Image:Z 8800 in Choisy-le-Roi, 2019.jpg, Z 8895 at Choisy le Roi station on RER C Line Image:Z 8874.JPG, Z8874 (carmillon livrery) Image:Gare de Saint-Quentin-en-Yvelines.JPG, Z8800 at St quentin en Yvelines Station


Interior

Image:Z 8874 ét inférieur.JPG, Interior of Z8874 (carmillon livrery) Image:Z8800 Intérieur 2.JPG, Original Interior with leatherette seat (Skaï) Image:Z8800R Intérieur 03.JPG, Interior Z8800 (Transilien Livrery)


References

{{Paris transport network Réseau Express Régional multiple units Double-decker EMUs Electric multiple units of France 25 kV AC multiple units 1500 V DC multiple units of France Train-related introductions in 1985