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Circuit Breakers

Blazing fast subcycle protection

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EPESOL offers the most advanced SF6 and capacitive high voltage circuit breakers. With a reputation for high reliability and long life in all climates and all parts of the world, and with more than 20,000 units deployed, ABB live tank circuit satisfies the highest demands. These breakers are rated for voltages of 72.5-245 KV and breaking current up to 50 kA. Moreover, SF6 circuit breakers use energy from the arc itself, minimizing the energy requirement for operations. With high response time and maximize efficiency, ABB's circuit breakers are so far the best answer to cost and quality.

LTB 72.5 D1/B

  • Rated voltage  72.4 KV
  • Power Frequency withstand 140 KV
  • Lightning Impulse withstand 325 KV
  • Rated Normal Current 3150 A
  • Rated SC current 40 KA
  • Closing time <40 ms
  • Opening Time 22 ms

LTB 145 D1/B

  • Rated voltage 145 KV
  • Power Frequency withstand 275 KV
  • Lightning Impulse withstand 650 KV
  • Rated Normal Current 3150 A
  • Rated SC current 40 KA
  • Closing time <40 ms
  • Opening Time 22 ms

LTB 170 D1/B

  • Rated voltage 170 KV
  • Power Frequency withstand 325 KV
  • Lightning Impulse withstand 750 KV
  • Rated Normal Current 3150 A
  • Rated SC current 40 KA
  • Closing time <40 ms
  • Opening Time 22 ms

LTB 72.5 E1

  • Rated voltage 72.5 KV
    Power Frequency withstand 140 KV
  • Lightning Impulse withstand 325 KV
  • Rated Normal Current 4000 A
  • Rated SC current 50 KA
  • Closing time <55 ms
  • Opening Time 17 ms

LTB 170 E1

  • Rated voltage 170 KV
  • Power Frequency withstand 325 KV
  • Lightning Impulse withstand 750 KV
  • Rated Normal Current 4000 A
  • Rated SC current 50 KA
  • Closing time <55 ms
  • Opening Time 17 ms

LTB 245 E1L

  • Rated voltage 245 KV
  • Power Frequency withstand 460 KV
  • Lightning Impulse withstand 1050 KV
  • Rated Normal Current 4000 A
  • Rated SC current 50 KA
  • Closing time <55 ms
  • Opening Time 17 ms

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Multi Gas

DGA

 Transformers are the most critical assets of the power system, and there continuous monitoring is required. Single gas DGA on transformer oil can analyze much about the transformer
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Portable

DGA

EPESOL offers for the first time in Pakistan an on-site DGA facility through its state-of-the-art on-site DGA test-set, Transport . The second-generation Transport is a compact
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Complete

Monitoring

Along with DGA and bushing failures, there are also several other failures such as the main tank accounting for 30%, Tap changer accounting for 35%, and the Cooling system accounting
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Bushing

Monitoring

Bushing failure is one of the leading cause of transformer failure, accounting for 15% of the total failures. Faulty insulation is the principal cause of bushing failure. Humidity and oil
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