RENFE Class 446

The RENFE Class 446 is a series of electric multiple units designed to provide effective commuter services in major urban centers in Spain.

RENFE Class 446
Cercanias 446.180 at Pinar
Manufacturer	CAF, MACOSA, MTM, Cenemesa, Conelec, Melco
Constructed	1989-1993
Refurbished	2005
Number built	170 sets (510 vehicles)
Number scrapped	25
Formation	3 cars per set
Specifications
Train length	75,993 mm (249.321 ft)
Width	2,940 mm (9.65 ft)
Height	4,185 mm (13.730 ft)
Maximum speed	100 km/h (62 mph)
Traction system	Electric
Traction motors	4 x GEE 326 A2 per motor coach
Power output	2,400 kW or 3,218.5 hp
Acceleration	1 m/s²
Electric system(s)	3000 V DC Catenary
Current collection method	Pantograph
UIC classification	Bo'Bo - 2'2' - Bo'Bo'
Safety system(s)	ASFA, some LZB (C-5 Cercanías Madrid)
Track gauge	1,668 mm (5 ft 5 ^21⁄32 in) (Iberian gauge)

History

Planning began in the early 1980s and resulted in the prototype Class 445 when commuter services began to assume a major role in cities such as Madrid. The trains then operating these services, mainly Class 440 units, were becoming inadequate to cope with the volume of traffic. It was decided that to provide the required facilities for these service, with their short inter-station distances and high passenger volume, new trains would be needed, with greater acceleration at the cost of maximum speed.

Design

Introduced in 1989, the 446 series was an innovative train design by RENFE. Each set having 2,400 kW (3,200 hp) of power, allowing a maximum acceleration of 1 m (3 ft 3 in) /s² with a top speed of 100 km/h (62 mph). The three car sets consist of two driving motor cars and an intermediate trailer, a new concept for RENFE.[1] Each car has 3 pairs of double doors for quick entry and exit of travelers. One of the major drawbacks of these units, which earnt them the nickname dodotis (a type of baby's nappy), is that originally they did not have toilets in the cars.

Outwardly they are of similar appearance to the later RENFE Class 447 design, with which they can operate with some limitations in traction and brake. Recent changes and enhancements included the addition of hustle alarms, both sound and indicator lights, for closing doors. Of the 170 units delivered, 25 have been withdrawn, including those affected by the 2004 Madrid train bombings. The units can be found operating metro type inner suburban services around Madrid, Seville, San Sebastián, Santander and Bilbao where the distances between stations is often 1–2 km (0.62–1.24 mi) or even less.

Formation

Each set is made of 3 cars:

Car No.	1	2	3
Designation	Mc	T	Mc
Numbering (UIC)	9-446-xxx (odd)	7-446-xxx	9-446-xxx (even)
Numbering (Other)	xxxM (odd)	xxxR	xxxM (even)

^ Powered car with cabin. ^ Unpowered car.

Numbering example

^ The set no.1 is numbered as 001M-001R-002M (UIC numbering: 9-446-001+7-446-001+9-446-002), the second as 003M-002R-004M (9-446-003+7-446-002+9-446-004), and so on (M means powered and R trailer). [2]

References

1. "S-446 Electric railcar". Our trains. Retrieved 4 September 2019.
2. "Renfe Operadora - 446" (in English and Spanish). Spain. Retrieved 5 January 2020.