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Product information

Control relay, asymmetry relay, for monitoring three-phase networks for phase failure, voltage asymmetry, reverse voltage, optionally with phase sequence detection and adjustable pickup delay.


  • according to IEC/EN 60 255, DIN VDE 0435-303
  • Detection of
    - voltage asymmetry
    - phase failure
    - reverse voltages
    - optionally with phase sequence detection
  • 2 LED indicators for voltage supply and contact position
  • optionally with adjustable pickup delay
  • Conductor connection: also 2 x 1.5 mm² stranded wire with ferrule and plastic collar,
  • or 2 x 2.5 mm² solid DIN 46 228-1/-2/-3/-4
optionally also with pluggable terminal blocks for quick device replacement,
  • optional with screw terminals or with spring-loaded terminals
22,5 mm width
Properties
Dimension (BxHxT mm): 22,5 x 90 x 100
Type-Name: MK
Type number: 9040N.12/010
ambient temperature: -20 - +60 °C
auxiliary voltage: 24V AC, 42 - 48V AC, 110 - 127V AC, 220 - 240V AC, 380 - 415V AC
frequency range: 45 - 65 Hz
pickup/release delay: 0,2 - 30 s (adjustable)
protection rating: Enclosure IP 40, Terminals IP 20
rated voltage: 3 x 400 VAC
repeatability: ≤ 0,5 %
time delay: 0,5 - 10 s
voltage range: 0,8 - 1,1 UN