ZN73 Indoor High Voltage AC Vacuum Circuit Breaker

The ZN73 indoor high voltage AC vacuum circuit breaker is designed for reliable power distribution and protection. It utilizes vacuum interrupters for arc extinction, ensuring high breaking capacity and long service life.

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Technical Specifications

Product Overview

High-Performance Vacuum Circuit Breaker

The ZN73 series is a high-voltage vacuum circuit breaker designed for reliable power distribution and circuit protection in demanding indoor environments. Optimized for 3-phase, 50Hz electrical systems up to 24kV, it utilizes advanced vacuum interrupter technology for superior arc quenching and durability. It is an ideal solution for substations, industrial plants, and mining facilities requiring frequent operations and robust control.

Technical Specifications

Rated Frequency: 50 Hz
Maximum Rated Voltage: 24 kV

Operational Features

Status Indicators

Open / Closed Position Indicator
Charged / Discharged State Indicator
Mechanical Operation Counter

Operational Capabilities: Vacuum InterruptionFrequent OperationManual ChargingEmergency TripOperation Counter

Applications

Primary Application Fields

Power generation plants
Electrical substations
Industrial manufacturing plants
Mining facilities

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