The ZW口-40.5 Miniaturized Series Outdoor High-Voltage VacuumCircuit Breaker utilizes a uniquely designed integrated solid-sealedpole and a highly reliable operating mechanism. This device ismainly used in medium-voltage overhead line power grids forbreaking, closing, and carrying load currents, as well as for overloadand short-circuit currents.
KeyFeatures
Extremely high reliability.
Completely maintenance-free throughout its entire lifespan.High mechanical and electrical life.Compact and lightweight design for easy installation.Suitable for a rated voltage of 40.5 kV and a three-phase ACfrequency of 50 Hz or 60 Hz.
Standards Compliance
Gb1984 “AC High-Voltage Circuit Breakers”GB1102 “Common Technical Requirements for High-Voltage Switchgear and Controlgear Standards’GB311.1-6 “insulation Coordination of High Voltage Transmission and Transformation Equipment”GB763 “Heating of High-Voltage AC Electrical Equipment in Long-Term Operation”GB2706 “Test Methods for Dynamic and Thermal Stability ofAc High-Voltage Electrical Equipment”GB3309″Mechanical Testing of High-Voltage Switchgear at Room Temperature’DL/T593 “Common Ordering Technical Conditions for High-Voltage Switchgear”
Ambient condition
Altitude: Up to 3000m
AmbientAirTemperature:-30°C to +60°CWind Speed:Up to 34m/s at altitudes below 3000mVibrations or ground motion from external switchgear and control equipment are negligiblePollution Level:TV
Storage Temperature:-40°C to +85°C
