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Home ProductsVacuum Contactor Unit

Indoor Vacuum Contactor Unit ZN73-12 Series High Voltage 12kv 24kv

Indoor Vacuum Contactor Unit ZN73-12 Series High Voltage 12kv 24kv

Indoor Vacuum Contactor Unit ZN73-12 Series High Voltage 12kv 24kv

Product Details:

Place of Origin: China
Brand Name: ERFA
Certification: ISO9000, XIHARI
Model Number: ZN73

Payment & Shipping Terms:

Minimum Order Quantity: 1 unit
Price: Negotiated
Packaging Details: each piece in a wooden box with pallet
Delivery Time: 10days after payment
Payment Terms: T/T, Western Union
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Detailed Product Description
Rated Voltage: 12kv 17.5kv 24kv Arc-extinguishing Medium: Vacuum
Installation: Withdrawable & Fixed Mechanical Life: M2
Rated Frequency: 50Hz Poles Number: 3
High Light:

24kv vacuum circuit breaker

,

medium voltage contactor

Vacuum Circuit Breakers (ZN73-12 (VS1))

ZN73 indoor AC high-voltage vacuum breaker is applicable to making and breaking load of various character and also for frequent operation in power systems of 3-phase, AC 50 Hz and with rated voltage up to 24kV. It can be used for protecting and controlling of electrical equipment in industrial plants, mines, power generation plants and substations.

Item   Unit Data    
Rated voltage   kV 12 17.5 24
Rated insulation level 1min power frequency withstand voltage kV 42 50 65
  Rated lighting impulse withstand voltage kV 75 95 125
Rated frequency   Hz 50 50 50
Rated current   A 630, 1250, 1600, 630, 1250, 1600, 630, 1250, 1600,
      2000, 2500, 3150   2000, 2500, 3150
Rated short-time withstands current(RMS)   kA 16, 20, 25, 31.5, 40 20, 25, 31.5 20, 25, 31.5
Rated active on-load breaking current   kA 40, 50, 63, 80, 100 50, 63, 80 50, 63, 80
Rated withstands current (peak)   kA 16, 20, 25, 31.5, 40 20, 25, 31.5 20, 25, 31.5
Rated short-time breaking current   kA 40, 50, 63, 80, 100 50, 63, 80 50, 63, 80
Rated short-time continuous time   s 4    
Rated operation sequence     O-0.3s-CO-180s-CO    
Mechanical life   Times M2    
Rated operation power supply voltage   V AC220/DC220    
Full breaking time   Ms ≤70    

Contact Details
ERFA Industries Group

Contact Person: Dong

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