Distribution Network Equipment
Home Distribution Network Equipment
ZW20-12

Outdoor HVAC vacuum circuit breaker

Product Introduction

Usage conditions: Meet the relevant provisions of GB/T11022 standard and be able to meet the requirements of condensation and Class II polluted places

Comply To:GB/1984、JB/T 3855

product details
ItemUnitValue
Rated voltageKV12
Rated currentA

630

Rated frequencyHz50
Rated load breaking currentA

630

Rated short-circuit closing current (peak)kA

50

Rated peak withstand currentkA50
Rated short-circuit withstand current 4SkA20
Rated current breaking times100

Power frequency withstand voltage

Phase to Phase & Phase to GroundkV42

(1min)

fracturekV48

Lightning impulse

Phase to Phase & Phase to GroundkV75

Voltage withstand

fractureKV85
Mechanical lifespanTime10000

Rated SF₆ pressure (meter pressure)

Mpa0