NS 93
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The NS 93 (Neumático Santiago 1993) is the third generation of rubber-tyred metro, rubber tired rolling stock used on the Santiago Metro system. The trains were manufactured by Alstom, GEC Alsthom in 1996 and went into operation in 1997. Originally designed for use on Line 5, the trains first operated on Line 2 prior to the opening of Line 5, and today work on the lines 1 and 5.


Features

The NS 93 series is based on the design of MP 89 series from the Paris Métro, along with sloped ends, automatic doors and through gangways from car to car. However, the NS 93 is slightly taller than the MP 89 to accommodate air conditioning, and they operate in 6 car formations on Line 5 (SN-NP-NNS), 7 car formations on Lines 1 and 5 (SN-NP-NRNS), and 8 car formations on Line 1 (NNS-NRNS). As a result, the trains can operate in six-car , seven-car , and eight-car lengths, depending which line they are assigned to. The length of each car is ( for cars containing the driver's cab). The interior of the NS 93 is graced with a cream white scheme with orange plastic seating. Each trainset is also equipped with a train speed surveillance system (Système d'aide à la conduite, à l'exploitation et à la maintenance, SACEM), which the MP 89 does not have. In 2010, automated station announcements were added to all trains.


Other Specifications

*Wheel tread, Tread safety wheels: *Drive System: Four three-phase asynchronous Alternating current, AC Traction motor, motors (1 motor per bogie) *Engine power: *Acceleration: *Year of manufacture: From 1996 (N2051) until 2003 (N2084)


Incidents

On February 7, 2012, a train en route to one of the garages derailed near a condominium complex and playground. The train was not in service at the time and was only operating in testing mode following repair work. No injuries were reported, but the train and surrounding property, including four vehicles, suffered substantial damage."Watch: Chilean metro train derails, crashes into building"
(''Daily Bhaskar'')


References

*''The information in this article is based on that in its :es:NS 93, Spanish equivalent''.
Metro de Santiago
{{Santiago Metro Alstom multiple units Electric multiple units of Chile Santiago Metro Train-related introductions in 1997 750 V DC multiple units