Suburban multiple unit

Suburban multiple unit
Suburban multiple unit
	SMU 266 departing Corinda station, bound for Rosewood
	Interior of an SMU 260
Manufacturer	Walkers Limited (200 and 220); Downer EDI Rail/Bombardier (260);
Built at	Maryborough
Replaced	SX carriages
Constructed	1994–1995 (200); 1999–2001 (220); 2008–2011 (260);
Number built	36 carriages (200); 90 carriages (220); 108 carriages (260);
Formation	3-car sets
Fleet numbers	201–212 (200); 221–250 (220); 261–296 (260);
Capacity	240 (200); 236 (220-260);
Operators	Queensland Rail
Specifications
Train length	72.42 m (237 ft 7 in) (260)
Car length	24.21 m (79 ft 5 in) (260 - end cars); 24 m (78 ft 9 in) (260 - intermediate cars);
Maximum speed	100 km/h (62 mph) (200-220); 130 km/h (81 mph) (260);
Weight	126.1 t (124.1 long tons; 139.0 short tons) (200); 122.1 t (120.2 long tons; 134.6 short tons) (220); 128.2 t (126.2 long tons; 141.3 short tons) (260);
Traction system	200: ABB MICAS-S2 GTO-VVVF; 220 and 260: Bombardier MITRAC IGBT-VVVF;
Traction motors	8 × 180 kW (240 hp) 3-phase AC induction motor
Power output	1.44 MW (1,930 hp)
Electric system(s)	25 kV 50 Hz AC (nominal) from overhead catenary
Current collector(s)	Pantograph
UIC classification	Bo′Bo′+Bo′Bo′+2′2′ (200); Bo′Bo′+2′2′+Bo′Bo′ (220/260);
Braking system(s)	Blended Regenerative electric and electro-pneumatic
Multiple working	Within type; With IMU160 (260 only);
Track gauge	1,067 mm (3 ft 6 in)

The Suburban multiple units (SMU) are a class of electric multiple units manufactured by Walkers Limited/Downer EDI Rail, Maryborough for Queensland Rail's Citytrain division between 1994 and 2011. The SMU is divided into in three subclasses, units 201-212 as the 200 series, units 221-250 as the 220 series, and units 261-296, as the 260 series.

^ ^a ^b "Electric Multiple Unit - Brisbane, Australia". Bombardier. Archived from the original on 13 January 2018. Retrieved 21 July 2022.
^ "MICAS-S2 distributed traction control for motive power units" (PDF). ABB. May 1995. Archived (PDF) from the original on 31 January 2023. Retrieved 31 January 2023. SMU+IMU

[bbd-1] "Electric Multiple Unit - Brisbane, Australia". Bombardier. Archived from the original on 13 January 2018. Retrieved 21 July 2022.

[2] "MICAS-S2 distributed traction control for motive power units" (PDF). ABB. May 1995. Archived (PDF) from the original on 31 January 2023. Retrieved 31 January 2023. SMU+IMU

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