Page 92 of Circuit Breakers / Switches by Moeller Electric USA

tripping characteristics tripping characteristics for circuit-breakers moeller sk1230-1157en-na system and line protection with nzm1 2.5 h 8000 6000 4000 2000 nzm1 af 91 system and line protection with nzm2 2.5 h 8000 6000 4000 2000 nzm2 af 1000 800 10 min 600 400 200 100 80 60 40 20 10 8 6 4 2 1 0.8 0.6 0.4 0.2 0.1 0.08 0.06 0.04 0.02 0.01 0.008 0.006 0.004 0.002 0.001 1 2 3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100 x ir ii 6 setting range 1000 800 10 min 600 400 200 100 80 60 40 20 10 8 6 4 2 1 0.8 0.6 0.4 0.2 0.1 0.08 0.06 0.04 0.02 0.01 0.008 0.006 0.004 0.002 0.001 1 2 3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100 x ir ii 6 setting range 1 min 1 min tolerance tr [s 10x in tolerance tr [s 10x in circuit-breakers disconnect switches up to 1200 a tripping time [s tripping time [s]

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