ZX-32 Recloser

KEY WORDS:High pressure vacuum switch



ZX-Series three-phase, electronically controlled, vacuum- interrupting distribution automation switch provides reliable, economical switching, sectionalizing, advanced metering, and automation systems for distribution circuits rated up to 38 kV.
 The ZX switch combines solid cycloaliphatic- epoxy vacuum interrupters with a reliable, lightweight operating mechanism that utilizes a magnetic actuator to provide a lifetime of trouble- free operation. The solid polymer system does not rely on a gaseous, liquid, or foam dielectric. The ZX switch is highly resistant to ozone, oxygen, moisture, contamination, and ultraviolet light.
Switch operations are programmed in an electronic control with accurate characteristics and a host of advanced features. When system requirements change, program settings are easily altered with no sacrifice of accuracy or consistency.
 reclosers meet all the requirements for outdoor use in accordance with the IEEE C37.60 and IEC 62271-111.

Rated maximum voltage Ur kV 15.5 27 27 38
Rated continuous current Ir A 630, 800 630, 800 630, 800 630, 800
Rated lightning impulse withstand voltage Up kV 110 125 150 170
Power frequency insulation level withstand test voltage (one minute dry) Ud kV 50 60 70 70
Rated symmetrical interrupting current Isc kA 12.5, 16 12.5 12.5, 16 12.5, 16
Rated asymmetrical making current (rms) kA 20, 25 20 20, 25 20, 25
Rated peak making current kA 32.5, 41 32.5 32.5, 41 32.5, 41
Mechanical life (operating cycles) OPS 10,000 10,000 10,000 10,000
Permissible short-circuit operations OPS up250 up250 up250 up250
Ambient temperature range oC -40+55 -40+55 -40+55 -40+55

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