The and are DC commuter electric multiple unit

Electric multiple unit

An electric multiple unit or EMU is a multiple unit train consisting of self-propelled carriages, using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a number of the carriages...

 train types operated by Sagami Railway

Sagami Railway

The , or , is a railway company operating three lines in Kanagawa Prefecture, Japan. It ranks among the "big 15" major railways in Japan.- Overview :Sagami Railway is one of the core companies of the Sotetsu group...

 (Sotetsu) in Kanagawa Prefecture

Kanagawa Prefecture

is a prefecture located in the southern Kantō region of Japan. The capital is Yokohama. Kanagawa is part of the Greater Tokyo Area.-History:The prefecture has some archaeological sites going back to the Jōmon period...

, Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. They were designed to operate as 8-car or 10-car sets, but the New 7000 series operates only as 10-car sets.

7000 series

History

Built from 1975 by Hitachi

Hitachi

Hitachi is a multinational corporation specializing in high-technology.Hitachi may also refer to:*Hitachi, Ibaraki, Japan*Hitachi province, former province of Japan*Prince Hitachi and Princess Hitachi, members of the Japanese imperial family...

 in Yamaguchi Prefecture

Yamaguchi Prefecture

is a prefecture of Japan in the Chūgoku region on Honshū island. The capital is the city of Yamaguchi, in the center of the prefecture. The largest city, however, is Shimonoseki.- History :...

. A total of 80 cars were built.

Body

They had lightweight aluminum bodies, like the 5000 series and 2100 series EMUs.

Initially, 7700 (Tc), 7500 (Tc) and 7100 (M) cars were built. From 1983, 7000 (Mc) and 7600(T) cars were added to form 10-car and 8-car sets.

Interior design

This series has power window

Power window

Power windows or electric windows as well as electric or power window lifts are automobile windows which can be raised and lowered by depressing a button or switch, as opposed to using a hand-turned crank handle.- History :Packard introduced the first power windows in the 1940 Packard...

s at all windows.

Operation

Eight-car set trains are used on "local" all-stations services. Ten-car sets are used on "rapid" and "express" services.

From 2006, 7000 series sets began to be replaced by Sōtetsu 10000

Sotetsu 10000 series

The is a commuter electric multiple unit train operated by Sagami Railway in Japan.-History:The trains are based on JR East's E231 series design, and were built to replace ageing 5000, 2100, and 6000 series trains. The 10000 series were constructed by Tokyu Car Corporation in Yokomaha and JR...

 and Sōtetsu 11000 series

Sotetsu 11000 series

The is a commuter electric multiple unit type operated by Sagami Railway in Japan. As of June 2009, two 10-car sets have been built to replace aging 5000 and 7000 series trains...

 EMUs.

History

From 1986, the front-end design of the 7000 series was changed. To differentiate between the original 7000-series cars, those with the new design are referred to as the . Some EMUs in this series use variable-frequency drive motors.

Refurbishment

The 7000 series and New 7000 series have been refurbished, since 2008, with the following changes.

• Revised livery (New 7000 series only)
• New electric horn
• Air conditioners changed to new type using environmentally-friendly freon
• Single-arm pantograph
  Pantograph (rail)
  A pantograph for rail lines is a hinged electric-rod device that collects electric current from overhead lines for electric trains or trams. The pantograph typically connects to a one-wire line, with the track acting as the ground wire...
  
  s in place of original lozenge pantographs
• Improved interior fluorescent lighting.

Safety systems

The company plans to build a new line linking to East Japan Railway Company

East Japan Railway Company

is the largest passenger railway company in the world and one of the seven Japan Railways Group companies. The company name is officially abbreviated as JR East in English, and as in Japanese. The company's headquarters are in Yoyogi, Shibuya, Tokyo....

(JR East), and so Sotetsu began to change the original safety system to the standard JR type.

Key

M: Motored cars T: Trailer cars c: Cab cars

CONT: Motor control equipment MG: Motor-generator CP: Reciproating compressor PT: Pantograph

10-car sets

Car No.	1	2	3	4	5	6	7	8	9	10
Designation	Mc1	M2	Tc2	M1	M2	Tc1	Tc2	M1	M2	Tc1
Numbering	MoHa 7000	MoHa 7100	KuHa 7700	MoHa 7100	MoHa 7100	KuHa 7500SaHa 7600 in some sets	KuHa 7700	MoHa 7100	MoHa 7100	KuHa 7500
Equipment	Cont, PT	MG,CP,PT		Cont, PT	MG,CP,PT			Cont, PT	-

8-car sets

Car No.	1	2	3	4	5	6	7	8
Designation	Tc2	M1	M2	Tc1	Tc2	M1	M2	Tc1
Numbering	MoHa 7100	MoHa 7100	MoHa 7100	KuHa 7500	KuHa 7700	MoHa 7100	MoHa 7100	KuHa 7500
Equipment		Cont, PT	MG,CP,PT			Cont, PT	MG,CP,PT

New 7000 series

Car No.	1	2	3	4	5	6	7	8	9	10
Designation	Tc2	M1	M2	M1	M2	Tc1	Tc2	M1	M2	Tc1
Numbering	KuHa 7700	MoHa 7100	MoHa 7100	MoHa 7100	MoHa 7100	KuHa 7500	KuHa 7700	MoHa 7100	MoHa 7100	KuHa 7500
Equipment		Cont, PT	MG,CP,PT	Cont, PT	MG,CP,PT			Cont, PT	MG,CP,PT

VFD control set

Car No.	1	2	3	4	5	6	7	8	9	10
Designation	Tc2	M	T2	M	T1	T2	M	T1	M	Tc1
Numbering	KuHa 7750	MoHa 7350	SaHa 7650	MoHa 7350	SaHa 7650	SaHa 7650	MoHa 7350	SaHa 7650	MoHa 7350	KuHa 7550
Equipment	MG, CP	Cont, PT		Cont, PT	MG, CP		Cont, PT	MG, CP	Cont, PT

External links

• Sagami Railway - Railcar image gallery