Masterpact UR

Ultra Rapid Circuit breakers 5000A and 6000A. 2 Icu performances: 150kA at 440V – 100kA at 690V - Bus Tie

Air circuit breaker

Masterpact UR
  • Features

    • Rated current:5000 and 6000A
    • 2 Icu performances:150kA at 440V – 100kA at 690V
    • Rated operational voltage:690V
    • 1 frame 5000/6000A
    • 3 pole and drawout version
    • 1 « UR control module »
    • 1« UR power module »
    • 1 thruster mechanism:Thomson effect Coil
    • Micrologic control units A,P,H
    • Auxiliaries and accessories identical to standard Masterpact range
    • Compliance with IEC 60947-2 internationnal Standards
    • Compliance with the specifications of Marine classification companies : Lloyd’s Register , Bureau Veritas


    Wherever high short-circuit current is involved Masterpact UR takes control As installed power increases, electrical distribution has to shift from LV design to a MV design.
    Built from the highly reliable standard air circuit-breaker, Masterpact UR has been developed to allow much higher installed power with LV design.
    Best advantages:

    • Cost effective solution
    • No MV needed, easier maintenance
    • Simpler solution, reduced time to market.


    Specific applications:

    • Busbars coupling onboard merchant vessels, off-shore platform
    • Loop networks in industry, cement plant - petro-chimic industry
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