Transperth B-series train

Transperth B-series
A B-series train at Thornlie station
Interior of set 092
In service	2004–present
Manufacturers	Downer Rail and Bombardier
Built at	Maryborough, Queensland
Constructed	2004–2019
Entered service	2004
Number built	234 carriages (78 sets)
Number in service	234 carriages (78 sets)
Predecessor	A-series
Successor	C-series
Formation	3-car sets
Fleet numbers	049-126      BEA: 4049-4126      BET: 6049-6126      BEB: 5049-5126
Capacity	240 seated, 320 standing (3-car set as delivered)
Operator	Transperth
Depots	Nowergup, Mandurah, Claisebrook
Lines served	High Wycombe Ellenbrook Mandurah Thornlie–Cockburn Yanchep Fremantle Armadale Midland
Specifications
Car body construction	Stainless steel
Train length	72.42 m (237 ft 7+3⁄16 in)
Car length	24.21 m (79 ft 5+1⁄8 in) (end cars) 24 m (78 ft 8+7⁄8 in) (intermediate cars)
Width	2,910 mm (9 ft 6+9⁄16 in)
Height	3.1 m (10 ft 2+1⁄16 in)
Floor height	1,100 mm (3 ft 7+5⁄16 in)
Doors	Plug-style, 2 per side of car
Wheelbase	Bogie centres: 17.0 m (55 ft 9+5⁄16 in)
Maximum speed	130 km/h (81 mph)
Weight	120 t (120 long tons; 130 short tons)
Traction system	Bombardier MITRAC IGBT–VVVF
Traction motors	8 × 180 kW (240 hp) 3-phase AC induction motor
Power output	1.44 MW (1,930 hp)
Deceleration	1.12 m/s2 (3.7 ft/s2) (service) 1.35 m/s2 (4.4 ft/s2) (emergency)
Electric system	25 kV 50 Hz AC (nominal) from overhead catenary
Current collection	Pantograph
UIC classification	Bo′Bo′+2′2′+Bo′Bo′
Braking systems	Microprocessor controlled blended pneumatic & regenerative dynamic
Safety system	Hitachi Rail STS L10000 ATP
Coupling system	Scharfenberg Dellner (2013 and 2022 refit)
Seating	Both longitudinal and transverse seating on set 49-60. Sets 61-94 mainly transverse seating. Set 95-126 longitudinal seating only.
Track gauge	1,067 mm (3 ft 6 in)

The B-series trains are a class of electric multiple unit built by Downer Rail in Maryborough, Queensland for Transperth between 2004 and 2019.