Electric Components with Their Full Forms and Their Locations

A3 Traction Motor Ammeter Cab 1 A4 Traction Motor Ammeter Cab 2 A9 Automatic Train Brake Handle Cab 1, Cab 2 ATFEX Braking Excitation Transformer HTC BL1, BL2 Button Silver Switch Box Cab 1, Cab 2 BLDJ1-2 BL Switch for DJ Cab 1, Cab 2 BLRDJ1-2 BL Switch for Resetting DJ Cab 1, Cab 2 BLSN1-2 BL Switch for Rear Loco DJ and Panto Cab 1, Cab 2 BLCP1-2 BL Switch for Main Compressor Cab 1, Cab 2 BLCPD1-2 BL Switch for Direct Operation of Main Compressor Cab 1, Cab 2 BLVMT1-2 BL Switch for MVRH, MVMT, MVMT Cab 1, Cab 2 BLRA1-2 BL Switch for Cab Heater Cab 1, Cab 2 BLZLF1-2 BL Switch for Red Marker Light Cab 1, Cab 2 BLLM1-2 BL Switch for Compartment, Corridor Light Cab 1, Cab 2 BLPRR1-2 BL Switch for Rear Headlight Cab 1, Cab 2 BLPRF1-2 BL Switch for Front Headlight Cab 1, Cab 2 BLPRD1-2 BL Switch for Dimming Headlight Cab 1, Cab 2 BLLF1-2 BL Switch for Marker and Instrument Light Cab 1, Cab 2 BPP1-2 Press Button for Progression in EEC Cab 1, Cab 2 BPR1-2 Press Button for Regression in EEC Cab 1, Cab 2 BPT1-2 Press Button for Testing LARSI and LSP Cab 1, Cab 2 BP1DJ Press Button for Resetting DJ Relay Board BP2DJ Press Button for Closing DJ Relay Board BV BOX Interlocking Box Corridor 1 CCBA Battery Circuit Fuse (35A) Switch Board CCA Auxiliary Control Circuit Fuse (6A) Switch Board CCAD Dryer Switch Fuse Behind Cab 2 CCLSA Fuse for LSAF, Auto Flasher Circuit (6A) Switch Board CCLC Fuse for Cable Light, Corridor, and Compartment Light Switch Board CCRA1/2 Fuse for Cab Heater (16A) Switch Board CCPT Fuse for Pantograph and Other Control Circuits (16A) Switch Board CCLF1/2 Fuse for Marker Light (6A) Switch Board CCDJ Fuse for DJ Control Circuit (6A) Switch Board CCLS Fuse for Pilot Lamp Circuit (6A) Switch Board CCVT Fuse for Cab Fans (6A) Switch Board C101/102/103 Contactor for MCP 1/2/3 TK-1 C107 Contactor for MVRH TK-1 C105 Contactor for MVMT 2 TK-1 C106 Contactor for MVMT 2 TK-1 CVAR Auxiliary Converter Behind Cab 2 CCRTPR Fuse for RTPR (on RTPR) Behind Cab 2 CHBA Battery Charger Behind Cab 2 C118 Auxiliary Starting Phase Contactor Behind Cab 2 CTF1,2/3 Traction Braking Answer 1/2/3 BA1, BA2 CGR1, 2, 3 Graduator Contacts No. 1, 2, 3 HTC C145 Rheostatic Braking Excitation Contactor BA-2 CAP TFP1 Capacitors for TFP-1 HTC CAP TFP2 Capacitors for TFP-2 HTC DJ High Voltage Circuit Breaker Loco Roof ECC Fuse Testing Socket (below fuse rack) Switch Board ET1/2 Surge Arrester Loco Roof GR Graduator (Tap Changer) HTC HSL1-2 Hand Signal Lamp Pin Socket Cab 1, Cab 2 HAD Air Dryer Switch Behind Cab 2 HBA Battery Main Switch Switch Board HQOA Isolation Switch for QOA Relay Switch Board HVRH Switch for MVRH and QVRH Switch Board HCHBA Switch for Battery Charger Switch Board HVMT1/2 Switch for MVMT 1/2 and QVMT1/2 Switch Board HCP Main Compressor Connection Switch Switch Board HQCVAR Switch for QCVAR Switch Board HPH Switch for MPH and QPH Switch Board HVSL1/2 Switch for MVSL1/2 and QVSL1/2 Switch Board HMCS1/2 Traction Motor Cut Out Switch Switch Board HOBA Battery Earthing Switch Switch Board HOM Main Earthing Switch Operating Handle Corridor 1 HVSI1/2 Switch for MVSI1/2 and QVSI1/2 Corridor 1 HQOP1/2 Switch for QOP-1/2 HTC HQPDJ Switch for OPDJ BA-2 HPT1/2 Pantograph Earthing Switch No. 1/2 Loco Roof HOM Manual Earthing Switch Loco Roof J1/J2 Traction Motor Transfer 1/2 BA1, BA2 LSDJ1-2 Pilot Lamp for DJ Cab 1, Cab 2 LSCHBA1-2 Pilot Lamp for Battery Charger, Auxiliaries Cab 1, Cab 2 LSGR1-2 Pilot Lamp for Graduator Cab 1, Cab 2 LSRSI1-2 Pilot Lamp for Rectifier Block Cab 1, Cab 2 LSB1-2 Pilot Lamp for Q50, J1,2 and CTF1,2,3 Cab 1, Cab 2 LSP1-2 Pilot Lamp for Wheel Slip Indication Cab 1, Cab 2 LSGRT1-2 Pilot Lamp for Defective Engine in MU Cab 1, Cab 2 LSOL1-2 Pilot Lamp for Good Engine in MU Cab 1, Cab 2 LSAF1-2 Air Flow Indication Lamp Cab 1, Cab 2 LECC Fuse Testing Lamp Switch Board LTBA Battery Surge Arrester Behind Cab 2 L1 to L6 Traction Motor Contactors (Line Contactor) BA-2 MP1-2 Master Controller Cab 1, Cab 2 MPJ1-2 Transfer Operating Handle Cab 1, Cab 2 MPS1-2 Shunting Contactor Operating Handle Cab 1, Cab 2 MVT1/1,1/2 Fans of Cab No. 1 Cab 1 MVT2/1,2/2 Fans of Cab No. 2 Cab 2 MCPA Baby Compressor (Auxiliary Compressor) TPN-1 MCP1/2/3 Main Compressor Motor No. 1, 2, 3 Behind Cab 1 MVMT1 Traction Motor Blower No. 1 (for TM123) Behind Cab 1 MVMT2 Traction Motor Blower No. 2 Behind Cab 2 MPH Transformer Oil Circulating Pump Motor HTC MVRH Transformer Oil Cooling Blower Motor HTC MVSL Cooling Blower Motor for Smoothing Reactor HTC MVSI1/2 Cooling Blower Motor for RSI-1/2 HTC NR1-2 Graduator Indicator (Not Repeat) Cab 1, Cab 2 NFCHBA Battery Charger Off Switch (on Charger) Behind Cab 2 PC1, PC2 Driver Desk Cab 1, Cab 2 PR1-2 Headlight (Front of Cab No. 1 and 2) Cab 1, Cab 2 PT1/2 Pantograph No. 1/2 Loco Roof QVMT1 Relay for Traction Motor Blower No. 1 Behind Cab 1 QOP1/2 Relay for Traction Power Circuit or Earth Fault Relay Relay Board QERB Excitation Overcurrent Relay Relay Board QRSI1/2 Overcurrent Relay for RSI Relay Board QLM Main Transformer Overcurrent Relay Relay Board QOA Auxiliary Power Circuit or Earth Fault Relay Relay Board QV60 Sealing Relay for DJ Relay Board QV61 Sealing Relay for Battery Charger Relay Board QV62 Sealing Relay for Graduator Relay Board QV63 Sealing Relay for Diodes of RSI 1 and 2 Relay Board QV64 Sealing Relay for Q50 Relay Board Q51 Auto Regression Relay Relay Board QVLSOL Sealing Relay for LSOL Relay Board QCVAR Auxiliary Converter Protection Relay Relay Board Q45 DJ Resetting Relay Relay Board Q46 Graduator Full Notch Protection Relay Relay Board QRS Secondary Regression Relay Relay Board Q49 Graduator Synchronizing Relay (in MU) Relay Board Q50 Main Control Relay Relay Board Q52 Notch to Notch Relay Relay Board Q100 Auxiliary Starting Relay Relay Board QWC Electrical Weight Compensate Relay Relay Board Q48 Wheel Slip Indication Relay Relay Board Q44 Graduator Protection Relay (at Half Notch) Relay Board Q118 Auxiliary Supervising Relay Relay Board QVMT2 Relay for Traction Motor Blower No. 2 Behind Cab 2 QTD105 Timer Relay for C105 Behind Cab 2 QTD106 Timer Relay for C106 Behind Cab 2 QD-1/2 Current Differential Relay 1/2 BA1, BA2 QPH Supervising Relay for MPH HTC QVRH Supervising Relay for MVRH HTC QVSL Supervising Relay for MVSL HTC QPDJ Air Pressure Relay for DJ HTC QVSI1/2 Supervising Relay for MVSI-1/2 HTC Q20 Overvoltage Relay for Traction Motor BA-3 QF1, QF2 Overcurrent Relay for Braking (in Corridor No. 2) BA-3 RGR Graduator Protection Resistance HTC RS1-2 Assistant Driver Emergency Brake Valve Cab 1, Cab 2 RA1/1,1/2 Cab Shutter for Cab No. 1 Cab 1 RA2/1,2/2 Cab Shutter for Cab No. 2 Cab 2 RAL Emergency Train Wire Driver Cock TPN-1 RS(ER) Emergency Train Wire TPN-1 RGCP Main Compressor Regulating Governor TPN-1 RGEB Emergency Governor for Emergency Brake TPN-2 RTPR Headlight Transformer Behind Cab 2 R118 Auxiliary Starting Phase Resistance Behind Cab 2 RQOA Auxiliary Power Circuit Resistance TPN-2 RPQOA Permanent Resistance for QOA Relay TPN-2 RPQOP1/2 Permanent Resistance for QOP-1/2 Relay TPN-2 RQ30 Limiting Resistance for Q30 Relay TPN-2 RHOBA Battery Circuit Earthing Resistance TPN-2 RSI1/2 Silicon Rectifier Block 1/2 HTC RGAF Regulating Governor for Air Flow Corridor 2 RPS Permanent Fixed Resistance HTC RPGR Permanent Resistance for Graduator HTC RDJ Air Relay for DJ HTC RS1-RS6 Shunting Resistance BA-3 RCAPTFP-1&2 Resistance for CAPTFP-1 and 2 Near MVRH RSILM1/2 Current Transformer for QRSI 1/2 RSI Block SA9 Independent Loco Brake Handle Cab 1, Cab 2 SON1-2 Overvoltage Buzzer for Traction Motor Cab 1, Cab 2 SWC Rheostatic Braking Cut Out Pressure Switch TPN-2 SMGR Graduator Servomotor Corridor 2 SL Smoothing Reactor Under Rack SMGR BOX Graduator Servomotor Box HTC S1 to S6 Traction Motor Field Shunting Contactors BA-3 SPM1/2 Speedometer No. 1/2 Cab No. 1/2 TFVT Transformer for Cab Fan Behind Cab 2 TK2 Resistance Panel Behind Cab 2 TFWR Main Transformer HTC TFWA Auxiliary Transformer HTC TFP Primary Winding of Transformer HTC TFP1-TFP2 Secondary Winding of Transformer HTC TFILM Current Transformer for QLM HTC U1-U2 Voltage Meter for Traction Motor Cab 1, Cab 2 UA1, UA2 Line Voltage Meter Cab 1, Cab 2 UBA Battery and Battery Charger Voltmeter Switch Board VEPT1 Electro Valve for Pantograph No. 1 TPN-1 VEPT2 Electro Valve for Pantograph No. 2 Behind Cab 2 VESA-1 Electro Valve for Sander TPN-1 VEF Isolating Electro Valve for Loco Brake TPN-2 VEAD Electro Valve for Auto Drain Valve Behind Cab 1 VESA Electro Valve for Sander Behind Cab 2 WSM1/1,1/2 Servo Motor for Wipers of Cab No. 1 Cab 1 WSM2/1,2/2 Servo Motor for Wipers of Cab No. 2 Cab 2 ZPT1-2 Key Switch for Pantograph Cab 1, Cab 2 ZQWC1-2 Switch for QWC Relay Cab 1, Cab 2 ZLC1-2 Cab Light Switch Cab 1, Cab 2 Component Description Location SI Static Converter Behind Cab 2 QCON Converter Relay (Supervising Relay for SI) Relay Board QSIT Static Converter Earth Fault Relay Relay Board CCINV Inverter Fuse TB Panel LSSIT Pilot Lamp for Static Converter Both Cabs QSVM Vent Motor Switching Relay TB / Cab 2 CCCPU Microprocessor Fuse CPU Box QTD 101 Main Compressor Timer Relay Behind Cab 2