Abbreviation of Loco Department

1. A 9 Automatic Brake Valve

2. A G Auxiliary Generator

3. A C C R Armature Current Control Reactor

4. A G F B Auxiliary Generator Field Breaker

5. A F P B Additional Fuel Pump Breaker
6. A R Auxiliary Reservoir

7. A D B Analog Distribution Box

8. A G P R Auxiliary Generator Protection Relay

9. A F L R Auto Flasher Light Relay

10. A A T Ambient Air Temperature Sensor

11. A P R Altitude Pressure Sensor

12. B C Brake Cylinder

13. B A Battery Ammeter

14. B A S Battery Ammeter Shunt

15. B A P Booster Air Pressure

16. B H E L Bharat Heavy Electrical Limited

17. B K B L Dynamic Breaking Blower Motor

18. B K R Braking Relay

19. B K T Braking and Traction Switch

20. B P Brake Pipe

21. B S Battery Knife Switch

22. B K C P V Braking Potentiometer Voltage Sensor

23. B C R Battery Charging Rectifier

24. B C T Brake Cylinder Transducer

25. B C A Battery Charger Assembly

26. B P T Brake Pipe Transducer

27. C C U Cab Control Unit

28. C C B Computer Control Brake System

29. C B Circuit Breaker

30. C B C Center Buffer Suppler

31. C C M Crank Case Exhauster Motor

32. C E B Crank Case Exhauster Breaker

33. C O C Cut Out Cock

34. C M R Compressor Relay

35. C V R C Valve Relay

36. D L C B Dome Light Circuit Breaker

37. D L W Diesel Locomotive Workshop Varanasi

38. D M W Diesel Modernization Workshop Patiyala

39. D M R Dead Mans Relay

40. D V R Digital Voltage Regulator

41. D C L Direct Current Link

42. E O T Engine Oil Temperature Sensor

43. E X P R Exciter Generator Protection Relay

44. E C C Electrical Control Cabinet

45. E C P Engine Control Panel

46. E P D Engine Protective Device

47. E R S Engine Run Switch

48. E M D Electromotive Division

49. E F C O Emergency Fuel Cut Off Switch

50. E C S Engine Control Switch

51. E H Electro Hydraulic

52. E R R Engine Running Relay

53. ESLP Engine Start Lamp

54. F P Feed Pipe

55. F P B Fuel Pump Breaker

56. F P M Fuel Pump Motor

57. F P S Fuel Pump Switch

58. F I P Fuel Injection Pump

59. F L Flasher Light

60. F T T M Front Truck Traction Motor Blower

61. G F C Generator Field Contactor

62. G R Ground Relay

63. G F C O Generator Field Cut Out Switch

64. G F O L R Generator Field Over Load Relay

65. G T O Gate Turn Off

66. G F S Generator Field Switch

67. H L P R Helper Mode

68. H T S C High Tensile Steel Casted

69. H L B Head Light Breaker

70. H P Horse Power

71. I G B T Insulated Gate Bipolar Transistor

72. K N Kilo Newton

73. K W Kilowatt

74. K m p h Kilometre Per Hour

75. L A S Load Ammeter Shunt

76. L C P Load Control Potentiometer

77. L W S Low Water Switch

78. L L O B Low Lube Oil Button

79. L C P V Load Control Potentiometer Voltage Sensor

80. M R P T Main Reservoir Pressure Transducer

81. M V C C Magnet Valve For Compressor Control

82. M H Master Handle

83. M B 1 Main Battery Breaker

84. M B 2 Main Control Breaker

85. M C O Motor Cut Out Switch

86. M R Main Reservoir

87. M T R Manual Transition Switch

88. M U Multiple Unit

89. M U S D Multiple Unit Shutdown Switches

90. M P C B Microprocessor Circuit Breaker

91. M R P R Main Reservoir Pressure Sensor

92. MVR Magnet Valve Relay

93. O P S Oil Pressure Switch

94. O S T A Over Speed Trip Assembly

95. P C Power Contactor

96. P C S Pneumatic Control Switch

97. P W M Pulse Widths Modulator

98. P L P B Pre-Lubrication Pump Breaker

99. P D R Power Diode Rectifier Blower Motor



100. R C D Rivers Current Diode

101. R E V Reverser Contactor

102. R H Reverser Handle

103. R T T M Rear Truck Traction Motor Bower

104. R F C B Radiator Fan Circuit Breaker

105. S A R Safety Auxiliary Relay

106. S R Signal Relay

107. S L P Signal Lamp

108. S H Selector Handle

109. S C R Silicon Control Rectifier

110. S T Starting Contactor

111. S T A Starting Auxiliary Contactor

112. S P M Speedometer

113. SLBR Self Load Box Relay

114. T L P R Turbo Lube Oil Pump

115. T C C Traction Converter Cabinet

116. T A V Traction Alternator Voltage Sensor

117. T A Traction Alternator

118. T G Traction Generator

119. T H Throttle Handle

120. T M Traction Motor

121. T R Transition Relay

122. T R P Transition Panel

123. T S C Turbo Super Charger

124. T C R Temperature Control Resistance

125. TET Transition Excitation Transformer

126. V C R Voltage Control Reactor

127. V R P Voltage Regulating Panel

128. V C D Vigilance Control Device

129. V C D R Vigilance Control Device Relay

130. W W Wood Ward

131. W S R Wheel Slip Relay

132. W S R R Wheel Slip Relay Resistance