Headlight switch HZ10-25.E63

General control switch DZ10-50

Electric control contactor TCK3

Universal conversion switch 2 layer

The trip switch DZ5B-50 series

Foot switch EKW-5A

Ten bit switch group

Power amplifier tester

Locomotive electric air valve test bench

Integrated test bench for locomotive electrical apparatus

Locomotive voltage regulator test bench

Locomotive temperature relay test bench

Locomotive pressure relay test bench

The speedometer and tachometer test bench

Stepless speed regulation drive test box

DC power supply test bench

Voltage regulator 8Q3A-3, TTY-GK

Voltage regulator T674/8Q6A

Voltage regulator T674

Overvoltage absorption device T828A

Speed signal processor ZR-T835

DC electric locomotive

Locomotive horn

Fuse RT0

Load amplifier ZR-TW-D

Power amplifier ZR-T815

24V DC power supply

Locomotive power supply 24V

Voltage regulator 8Q3A-1, 8Q3A-2

Main contact S307

Electrical contact 4Q1

Electrical contact T661

Electrical contact T676 (electric control contactor)

Electrical contact T676

Electrical contact T705 (electric control contactor)

Electrical contact T705

Locomotive bass horn

Resistance brake electro pneumatic valve 23DKF12

Three position two way electric air valve FK

Interlocking electromagnet TML1-110

The wheel rail lubrication solenoid valve SR361-RS4SD

The wheel rail lubrication solenoid valve K23JD-15

Exhaust valve JKG1

Drain valve 23DKF2

Drain valve DPW

Wind pressure relay TJY2-11

Corridor lamp

Three kinds of electro pneumatic valve TFK3

The sand valve TFK7

Four types of electro pneumatic valve TFK4 (large diameter)

Four types of electro pneumatic valve TFK4 (small diameter)

No load valve TFK6

Solid state relay G3TB-OD201P

Two position two way electric air valve FK1B