+86 577 27880251  info@cyawit.com

Medium Voltage Equipment

FZ(R)N21-12 Indoor Vacuum Load Break Switch

  • Product ID:Medium Voltage Equipment
  • Whatsapp & Wechat:+8613868719385
  • Phone: +8613868719385
  • Tel: +86 577 27880251
  • E-mail: info@cyawit.com
  • FEEDBACK

FZN21/FZRN21-12 indoor vacuum load switch is designed for 12 kV, 50 Hz distribution systems. It closes, carries and breaks rated current, supports transformer control and protection, and offers a fuse combination option for ring network applications.

Parameter Unit Value
Rated Voltage kV 12
Rated Frequency Hz 50
Maximum Rated Current of the Fuse A 125
Transfer Current A 1550
Fuse-Triggered Switch Segment Time ms 40 ± 5
Rated Short-Circuit Breaking Current kA 31.5
Fuse Impinger Type Medium-Sized
Rated Short-Circuit Closing CurrentProspective peak value kA 80
1 min Power-Frequency Withstand VoltageVacuum gap, phase-to-phase and phase-to-earth / isolation gap kV 42 / 49
Lightning Impulse Withstand VoltageVacuum gap, phase-to-phase and phase-to-earth / isolation gap kV 75 / 85

CONTACT US

Whatsapp & Wechat: +8613868719385

Phone: +8613868719385

Tel: +86 577 27880251

E-mail: info@cyawit.com

Add: 86# sanliyi road, Wenzhou, Zhejiang China