Tonga Primary and secondary deep integration intelligent pole-mounted AC vacuum circuit breaker (isolated type)

Primary and secondary deep integration intelligent pole-mounted circuit breaker, with sealed pole built-in current sensor, dual voltage sensors on input and output sides, zero-sequence current and voltage sensors, built-in capacitive voltage divider energy storage electronic PT; circuit breaker inherent trip time ≤20ms, spring operating mechanism achieves rapid trip; circuit breaker whole unit IP67, thoroughly solving mechanism jamming issues caused by external environment; pole shell made of silicone rubber material, anti-aging, high hydrophobicity, impact resistant; external integrated silver-plated isolation switch with interlock to prevent misoperation; intelligent control system integrates advanced sensing technology and microprocessor, realizing real-time monitoring and precise control of electrical parameters such as current and voltage, supports remote communication functions, facilitating remote monitoring of device status by operation and maintenance personnel, timely response to fault warnings, greatly improving operation efficiency and system reliability. In addition, this circuit breaker also has excellent insulation performance and weather resistance, adapting to complex and variable outdoor environmental conditions, ensuring long-term stable operation, and is one of the indispensable key devices in modern smart grid construction.

Product Description

  • Deep integration of primary and secondary intelligent pole-mounted circuit breakers, sealed pole with built-in current sensor, dual voltage sensors on input and output sides, zero-sequence current and voltage sensors, built-in capacitive voltage divider energy storage electronic PT;
  • Circuit breaker inherent trip time ≤20ms, spring operating mechanism achieves fast trip;
  • Circuit breaker whole unit IP67, completely solves mechanism jamming issues caused by external environment;
  • Pole shell made of silicone rubber material, anti-aging, high hydrophobicity, impact resistant;
  • External integrated silver-plated isolating switch, interlocked to prevent misoperation;

Technical Parameters

Serial Number Name Unit Parameter
1 Arc Extinguishing Chamber Type - Vacuum
2 Insulating Medium - Solid Insulation
3 Rated Voltage kV 12
4 Rated Frequency Hz 50
5 Rated Current A 630
6 Rated Short-Time Withstand Current kA 20
7 Rated Short-Circuit Breaking Current kA 20
8 Rated Peak Withstand Current kA 50
9 Rated Short-Circuit Duration s 4
10 Rated Short-Circuit Breaking Current Breaking Times times ≥30
11 Rated Operating Sequence (Rated operating cycle should not reduce the rated value) -O-0.3s-CO-180s-CO
12 Rated Lightning Impulse Withstand Voltage Between Phases and Phase to Ground 75 kV
Contact Gap 85 kV
13 Rated Power Frequency Short-Time Withstand Voltage (1min) Between Phases and Phase to Ground 42 kV
Contact Gap 48 kV
14 Whole Unit Partial Discharge (Including Current and Voltage Sensors and Power Supply Module) Test Voltage 14.4 kV
Partial Discharge ≤10 pC

Contact Us

If you are interested in our products, please leave your contact information, and we will contact you immediately. Thank you!

Security verification
Submit Message