Medium Voltage Equipment

FZW28-12F Outdoor Vacuum Load Break Switch

Product ID：Medium Voltage Equipment
Whatsapp & Wechat：+8613868719385
Phone: +8613868719385
Tel: +86 577 27880251
E-mail: info@cyawit.com
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The FZW28-12 outdoor sectionalizer vacuum load switch is equipped with fault detection, protection, control, and communicatiorfunctions that can autonomously isolate single-phase grounding faults and automatically isolate phase-to-phase short-circuifaults. It is suitable for the incoming end or user end of 10k distribution lines and can also be used at other branching line connections that meet the requirement.

Parameter	Unit	Value
Rated Voltage	kV	12
Power-Frequency Insulation Withstand VoltageInterphase and phase to ground / fracture	kV	42 / 48
Lightning Impulse Withstand VoltageInterphase and phase to ground / fracture	kV	75 / 85, peak
Rated Current	A	630
Rated Short-Time Withstand Current	kA	20
Rated Thermal Stability Time	s	2
Rated Short-Circuit Closing CurrentPeak value	kA	40
Rated Dynamic Stability CurrentPeak value	kA	40
Rated Cable-Charging Breaking Current	A	20
Rated Switching Unloaded Transformer Inductor Current	A	<5
Mechanical Life	Operations	10,000