Air Ring Main Unit up to 24kV

Product our review

Type Tested & verified according to:
o IEC 62271-1:2021
o IEC 62271-102:2018
o IEC 62271-103:2021
o IEC 62271-105:2021
o IEC 62271-200:2021
• Rated Voltage 12 & 24 kV
• Rated Current 630 A
• Rated Frequency 50 Hz Air Ring Main Unit up to 24kV
• Rated short-time withstand current up to 25 kA– 4 sec
• Rated Peak withstand Current 63kA
• Classification according to Electrical EnduranceE3
• Classification according to Mechanical Endurance M1
• Encapsulated Extinguishing Device
• Current interruption without visible Arc
• Easy Cable connection
• Can be connected to any SCADA system

TECHNICAL  DATA

Rated voltage 
12 kV
17.5 kV
24 kV
Rated frequency
 50/60 Hz 
50/60 Hz
50/60 Hz
Rated current – Ring switch
630 A 
630 A
630 A
Rated current – Transformer switch
630 A 
630 A 
630 A 
Power frequency test voltage
28 kV
38 kV
50 kV
Impulse withstand voltage
75 kV
95 kV
125 kV
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