DC HIGH SPEED SINGLE-POLE BREAKERS OF 800 V, 630...1250 A
Manufacturing code: IMUCC for substations, IMUCCP for rolling material

• Technical characteristics:
  • rated DC voltage: U_n=800 V (-30...+44%)
  • rated DC current: I_n=630...1250 A
  • overload current: I_{overload preset value}=(0.4...2.4)kA
  • rated breaking capacity at short-circuit: I_k=30 kA at T=L/R=15ms
  • release time: < 2.5 ms
  • mechanical life: 5x10⁵ cycles
  • protecting level: IP65
  • control DC voltage: 24 ... 220 V
• Applications:
  • tram, trolley-bus, underground, rolling mills, conveyers, electrical substations
• Operating conditions:
  • operating temperature: -33° ... +55°C
  • relative humidity: max. 90% (+20°C)
  • maximum altitude: 2000 m
  • vibration frequencies between: 10...50 Hz
  • acceleration 1...5 g from 3 directions
• Manufacturing according to certified assurance systems:
  • ISO 9001
• Technical performances according to European and / or international standards / norms:
  • IEC 947-1 (1996); IEC 947-2 (1989); IEC 77 (1968); UIC 616-0R