Power Transmission Grids

132kV Isolators – Powering the Transmission Grid

Current Rating: 1250A to 3150A

Designed for the modern power grid, these isolators are your ultimate tool for reliable, safe, and efficient transmission line protection.

Features:

Type: Double Break Centre Rotating (DBCR)/Horizontal Centre Break (HCB)

Manual or Motorized: Flexibility for manual or remote operation — no compromises.

Orientation: Power meets versatility with Tandem for greater capacity or Staggered for space efficiency.

Applications: For high-voltage transmission, large substations, and power plants — the 132kV isolator ensures flawless power isolation.

220kV Isolators – Maximum Power, Maximum Performance

Current Rating: 1250A to 3150A

Push the limits of your network with isolators built to handle high-voltage demands without compromise.

Features:

Type: Double Break Centre Rotating (DBCR)/Horizontal Centre Break (HCB)

Motorized or Manual: Choose automation for remote operation or go manual for flexibility.

Oreintation: Tandem for maximum capacity or Staggered for optimal use of space.Take your pick!

Applications: The perfect fit for large-scale transmission systems, grid control, and interconnection points.                                                                                                                

400kV Isolators – The Pinnacle of High-Voltage Switching

Current Rating: 2000A to 3150A

When reliability, safety, and performance are non-negotiable, trust PREW’s 400kV Isolators for the most demanding environments.

Features:

Type: Double Break Centre Rotating (DBCR)/Horizontal Centre Break (HCB)

Manual or Motorized: Fully motorized for remote, effortless operation, or manual for local control.

Orientation: Tandem for power-heavy applications or Staggered to optimize space and efficiency.

Applications: Designed for critical transmission systems, grid integration, and high-voltage substations.