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Control Relay Panel
Control Relay Panel
Control Relay Panel
Control Relay Panel
Control Relay Panel
Control Relay Panel
Control Relay Panel
Control Relay Panel
Control Relay PanelControl Relay PanelControl Relay PanelControl Relay Panel
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Control Relay Panel



High quality product suitable for control and protection of 150 kV transmission line.


  1. Transmission Line Bay
    - Over Head Line (OHL)
    - Under Ground Cable (UGC)
  2. Transformer Bay
  3. Transformer Regulation (Regulator)
  4. Bus Coupler
  5. Capacitor Bay

Application Control Panel


The meters content of Am-meter, Volt-meter, Watt-meter and Var-meter. The meters used to detect current flow each phase, measure voltage between phase to phase & phase to neutral and energy measurement. The said meters have class 1, so the reading more accurate.


The function to fault indicator. The frame of component made by metal, make it long life. This annunciator have two choices output signal that are bell and buzzer.

Selector Switch & Push Button

For detection voltage between phase to phase and phase to neutral used by Volt Selector Switch. The reset push button use to resetting after happened fault. There are selector switch for operation mode selection, Remote – Supervisory & Manual – Auto also.


Consist of two kinds that are send and receive of MWH. These component use to energy measurement. They have accuracy class 0.5 so that the measurement more accurate.

Mimic Diagram

To easy steps operation, both Circuit Breaker and Disconnecting Switch. The color of mimic diagram shown operational voltage.

Protection Relay Panel

Main Protection

The relay provide flexible and reliable integration of protection, control, monitoring and measurement function.

Back Up Protection

The relay provide complete protection and control for a wide range of overhead lines and underground cable.

Relay Test Block

Provide safe, flexible and reliable access to any power system protection and scheme for monitoring, verification and secondary injection testing.

Lock Out Relay & TCS

The lock-out relay is completion of main and back-up protection relay. The TCS is for the supervision of the trip circuit of a Circuit Breaker with one trip coil.

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