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SWITCHGEARS

Medium Voltage Switchgears
 ERL Switchcraft Product Overview
 iCB 12/24kV Vacuum Circuit Breaker
 iGIS : SF6 Ring Main Unit (RMU)
 iSIS : Intelligent Solid Insulated Switchgear
 Medium Voltage Switchgear
 Medium Voltage Vacuum Contactor

PROTECTION PRODUCTS

Static Relays
 Circuit Breaker Fail & Current Check Relay Type : 2DAB
 Definite Time-Lag Relay Type : MDDA
 Over/Under Voltage Relays Type : TEB1 & TEB2

Electromechanical Relays
 Fuse Failure Relay Type : B68F3
 High Speed Tripping Relay Type : TR
 Inverse Definite Minimum Time Lag Overcurrent Protection Relay Type : 2TJM
 Multi-contact Auxiliary Relays Type : AR
 Neutral Displacement Relay Type : B37
 Relay Test Block : ERMLG01 & Test Plug : ERMLB01
 Restricted Earth Fault Relay Type : 5B3
 Trip Circuit Supervision Relay Type : XR

Disturbance Fault Recorders
 Multi-timeframe Power System Disturbance Fault Recorder Type : TESLA 3000
 Multi-timeframe Power System Recorder Type : TESLA 4000
 Power System Recorder Type : TESLA LITE

Numerical Single Function Relays
 Numerical Auto Reclose Relay : Multi Shot Type : MART 403
 Numerical Auto Reclose Relay : Single shot Type : MART 113
 Numerical Biased Differential Protection Relay Type : MIB 202
 Numerical Directional Overcurrent Protection Relay Type : MIT 121
 Numerical Directional Overcurrent Protection Relay Type : MIT 131
 Numerical Neutral Displacement Protection Relays Type : MVT 171
 Numerical Non- Directional Overcurrent Protection Relay Type : MIT 103, 104, 113, 114
 Numerical Overcurrent & Earth Protection Relay Type : MJT 314
 Numerical Overcurrent & Earth Protection Relay Type : MJT 315
 Numerical Self Powered Overcurrent Protection Relay Type : MJT314 B&C
 Numerical Sensitive Current Protection Relay Type : MIT 161
 Numerical Under and Over Voltage Protection Relay Type : MVT 181
 Numerical Volts/Hertz Protection Relay Type : MBT 191

Numerical Multi Function Relays
 Feeder Protection Relay Type : F-PRO 215, 216, 235, 285, 295
 Feeder Protection Relay Type : F-PRO 4000
 Motor Protection Relay Type : RHO 3
 Multi-function Bus Protection Relay Type : B-PRO 4000
 Multi-function Transformer Protection & Monitoring Relay Type : T-PRO 4000
 Multi-function Transmission Line Protection Relay Type : L-PRO 4000
 Numerical Check Synchronizing Protection Relay Type : ARGUS 7
 Numerical Directional Overcurrent Protection Relay Type : ARGUS 2
 Numerical Overcurrent Protection Relay Type : ARGUS 1
 Numerical Voltage Frequency Protection Relay Type : ARGUS 8
 Sub-Harmonic Protection Relay Type : S-PRO 4000
 
 
 
 
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