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Sub-Sectioning & Paralleling Control & Relay Panel

Providing optimal protection for Booster Transformers

GKSSP is a dedicated auto transformer protection control and relay panel perfectly aligned for protection, control, measurement, and supervision of the 2×25 kV sub-sectioning and paralleling post-auto transformer. At the SSP, there are four auto-transformers in a double-line section that are to be protected individually.

With the whole pack of electrical equipment, such as numerical relays, electro-mechanical relays, an annoyator, indication Indication Lamps, push buttons, semaphores, and blocks, it serves as the protection house of the transformer. It also offers integration with numerical relays operating on IEC 60870-5-103 and IEC 61850 while providing a single interface point for SCADA communication.

GK Power, an RDSO-approved leading manufacturer in India, offers a range of 2x25kV control and relay panels at the industry’s latest technologies. With our highly qualified engineers and well-equipped manufacturing facility, we focus on innovation and customized design in every aspect of the protection solution.


Used for protection, control, measurement, and monitoring of auto transformers at the SSP post of 2×25 kV systems for Indian Railways with respect to the below specification.


Product benefits

  • Precise Protection Logic Diagrams to understand overall Scheme at First Glance
  • DC Supervision from starting to the end of the circuit.
  • Convenient installation and deployment at customer site
    Provision for expansion on Both the sides.

Product features

  • Simplex design with Back Door access for better space planning
  • Protection against Climate and Insects with IP 52 Ingress Protection.
  • Anti-Corrosion Treatment Powder Coating with Industrial standard Siemens Grey RAL 7032.
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