[E. DOLD]
Asymmetry relay BA 9040, MK 9040N varimeter
• According to IEC 255, EN 60 255, VDE 0435 part 303
• Recognition of
- voltage asymmetry
- phase failure
- voltage feedback
- optionally with phase sequence recognition
• Optionally with adjustable response delay
• Insensitive against
- symmetric harmonics up to K-factor K 20 %
• 2 LED displays for power supply and state of contact
• BA 9040: width 45 mm
MK 9040N: width 22,5 mm
APPLICATIONs
Monitoring three-phase mains for voltage asymmetry, phase failure or incorrect phase sequence, e.g. in elevators, escalators, crane systems etc.