Products

The company is manufacturing and supplying light and engineering produces for locomotives, coaches, EMU’S, Metro cars, and Industry.

KEY PRODUCTS FOR LOCOMOTIVES

KEY PRODUCTS FOR COACHES/ METRO CARS

  • AC Control panel and Roof Mounted AC
  • Package Unit
  • ZS Coupler (400A/ 750V)
  • Switch Board Cabinet for SC AC Coaches,
  • AC Hot Buffet Coaches

LOCO TRANSFORMERS

  • Loco 3900/5400 KVA 6531 KVA, 7775 KVA Transformer
  • Rating : upto 15.0 MVA
  • Input Voltage : 25KV
  • Cooling : Forced Air- oil cooled.
  • Insulation : class H

MASTER CONTROLLERS

  • Contact force for Cam : 120 gm
  • Surge Voltage : 5.1 KV
  • Rated Voltage : 72v
  • Contact Pressure at Cam : 1.5 – 2.6N
  • Resistance : 5 MΩ

Acts as the main (master) controller of the various electric Pneumatic contactors and dielectric magnetic insulation contactors through an Indicator lamp.

BRUSHLESS ALTERNATORS

  • Rating : 4.5kw,25kW
  • Voltage : 110V D.C.
  • Speed : 700RPM – 3000RPM
  • Unidirectional Constant torque Brushless Alternators/ regulators. Train Lighting and auxiliary equipment

TRACTION MOTORS

  • Locomotive Engines
  • Rating : 850 kw
  • Voltage : 750V DC
  • Speed : 1100 RPM
  • Insulation : class 200
  • Forced Air Ventilation
  • Motor Efficiency : 0.95

LINE CONTACTOR 1500 Amps. & 1000 Amps

  • Current Rating : 1500 A/ 1000 A
  • Circuit Voltage : 750V
  • Contact Force : 12 to l6kg

Minimum Operating Air

  • Air Pressure : 5Kg/Cm2

Solenoid Valve Operating

  • Voltage : 45v to 136v
  • Dielectric Strength: 5.1 KV for 1 min
  • Coil Resistance : 1350 Ω 1450Ω

Acts as an electro Pneumatic main switch of the traction motor sub circuit for activating the circuit.

CAM SHAFT CONTROLLERS

Cam Shaft Controller is a unique development in traction motor drive technique. This switching apparatus is controlled and regulated from electronic control centre which performs the central switching function for driving and breaking circuit. It consists of the resistor stepping switches and group switches for drive and brake mode of operation. It also consist of 30 nos. 460 Amps cam operated switches rated Voltage — 1500 V DC. The total unit is underslung.

6-POLE REVERSER SWITCH/ CTF

  • Current Rating : 1500 A DC
  • Operating Pneumatic Pressure : 5Kg/cm2
  • Solenoid Valve Operating Voltage : 70v to 110v DC
  • Dropout Voltage : 10v
  • Contact Pressure : 12 ± 1 kg
  • Dielectric Strength : 7.5 KV in 1 min
  • Coil Resistence : 1350 to 1450

Electric Pneumatic Contactor consists of fixed and mobile Agbrazed copper, acts as a prime equipment to change the direction of the traction motor.

ELECTROMAGNETIC CONTACTOR (EMC)

  • Coil Resistance : 20C is 550 Ω
  • D.C. Supply Voltage at the coil : 68v to 136v DC
  • Pickup Voltage : 68v
  • Dropout Voltage : 10v
  • Contact Force : 950 ± 100 gm
  • Aux. Switch : 2 No. / 2 NC
  • Aux. Contact Pressure : 80 Gm + 10%
  • Dielectric Strength : 2.25 KV in 1 Min.
  • Acts as an three phase switch for various motors

ROOF MOUNTED A/C PACKAGE UNIT

  • Suitable to work from : 415V ± 5% AC 3Ø, 50 Hz ± 3% Sinusoidal / PWM Power Supply
  • Ambient temperature : -40° to 57°C
  • Microprocessor Controller : 110 ± 30% V DC/AC
  • Refrigerant Used : R-407C
  • Power Consumption : 16.5 KVA

RECTIFIERS

  • Rating :  25 KV AC, 50 c/s
  • Input to Blower Motor : 415 V
  • Rectifier Input Voltage :1000 VMS
  • Output : 470 Volts
  • System of Connections of Diodes : Bridge

CONTROL PANELS FOR LOCOMOTIVES & COACHES