Stadler NExT

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RBS RABe 4/12
Stadler NExT at Jegenstorf
In service	2009–present
Manufacturer	Stadler Rail
Built at	Altenrhein
Constructed	2009–2013
Number built	14 trains
Number in service	14 trains
Formation	3 carriages per train[1]
Fleet numbers	RABe 4/12 21-34
Capacity	443 passengers (154 seated, 289 standing)
Operators	Regionalverkehr Bern-Solothurn
Depots	Worblaufen
Lines served	Solothurn–Worblaufen railway
Specifications
Car body construction	Aluminium[1]
Car length	60 m (196 ft 10 in) (3-carriage train)[1]
Width	2.650 m (8 ft 8.3 in)[1]
Height	3.945 m (12 ft 11.3 in)[1]
Floor height	400 mm (16 in)[1]
Doors	6 per side
Articulated sections	3
Maximum speed	120 kilometres per hour (75 mph)[1]
Weight	77 tonnes (170,000 lb) (3-carriage train)[1]
Power output	1‘400 kW[1]
Acceleration	1.1 m/s2[1]
Electric system(s)	1,250 VDC[1]
Safety system(s)	ETCS, Integra-Signum
Track gauge	1,000 mm (3 ft 3+3⁄8 in) metre gauge[1]

The Niederflur-Express-Triebzug (NExT, English: low-floor express trainset) is an electric multiple unit light commuter train developed by Stadler Rail for the Swiss Regionalverkehr Bern-Solothurn (RBS) railway operator. With a top speed of 120 km/h (75 mph), it is the fastest metre gauge train in Switzerland.^[2]

Six three-carriage trains were delivered in 2009 at a cost of 53.4 million CHF and are used for express service between Bern and Solothurn.^[2][3] In 2013, 8 additional trains were delivered.^[3]

The Neue Zürcher Zeitung commented favourably on the train's angular design and use of interior space. It commended RBS for setting "new standards of design and comfort" in Swiss commuter transport with the NExT.^[2]