MK9040N

Monitoring technique 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 BA 9040 Function diagram phase sequence 0221538 MK 9040N Approvals and marking Asym. [%] 100 * Canada / USA asymmetry phase failure * only for BA 9040 (see variants) setting value t Applications Monitoring three-phase mains for voltage asymmetry, phase failure or incorrect phase sequence, e.g. in elevators, escalators, crane systems etc. Indications upper LED: lower LED: t U L1 U L2 U L3 t on when supply voltage connected on when output relay energized Technical data Input t BA9040 11-14 MK9040N 11-12 11-14 11-12 11-14 11-12 11-14 11-12 tv tv M7084_a /001 /010 tv tv Nomianl voltage UN: Voltage range: Nominal consumption: BA 9040: MK 9040N: Nominal frequency: Frequency range: Temperature influence: Frequency influence: Resistance of harmonics symmetric: Setting ranges Setting range: Repeat accuracy: Release ratio: Voltage feedback recognition: 3 AC 400 V 0,8 ... 1,1 U N approx. 4,8 VA 7 VA 50 / 60 Hz 45 ... 65 Hz < 0,05 % / K < 0,02 % / Hz K-factor K 20 % /011 5 ... 15 % voltage asymmetry £ 0,5 % < 4 % UN up to 100 %...