MASTER CONTROLLER
for Electric Locomotives, EMUs and Metro Cars

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Control Switchgear PROTECTION RELAY GENERAL PURPOSE RELAY MASTER CONTROLLER KEY MULTIPLIER

MASTER CONTROLLER

Master Controller is manually operated equipment that comprises the control elements required for driving and braking, as well as for controlling the auxiliary function of traction rail vehicles from Driver's desk. Master controller is suitable for use on 3-phase, 25KV, AC Locomotives as well as in the Driving Cars of EMUs.

Technical Features

  • Reliable and have High-Precision response.
  • Requires no maintenance.
  • Modular and compact design.
  • Ease of connection with Circuit through bayonet connector and SUB-D connector.
  • Robust design to withstand vibration encountered during service.
  • Enhance service life due to low friction of moving parts.
 

Technical Specifications

Description Values
Drive direction selector (Reverser) Switch
  • Handle Position. R (Reverse) – O(Neutral) – F (Forward), Manually operated.
  • Mechanical interlocking with master controller's drive / brake control handle.
  • On request, the reverser handle can be detached for use as key.
Brake / drive handle
  • Handle Position. BE (Braking mode) – O (Neutral) TE (Traction mode)
  • Manually operated
Auxiliary Switch
No of auxiliary contacts actuated by Brake / Drive handle 4 units
Auxiliary Switch: Rated voltage 72V (Tolerance +25% & -30%)
Mechanical life of Auxiliary Switch 10 million switching cycles
Angle Converter
Input Power supply 24VDC (tolerance +25% to -30%) / 30mA
Angle Range -120° to +120°
Output current (mA) 2 to 20
Dielectric Test Voltage(AC 50Hz for 1min) Live parts against ground : 1500V
Auxiliary contact against ground : 1500V
Across open auxiliary contacts : 2000V
Operating temperature range of equipment - 25°C to + 70°C
Weight Approx. 10 Kg