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Tripping characteristics Tripping characteristics for circuit-breakers 131 Moeller SK1230-1157GB-INT System and line protection with NZM1 Tripping time [s] 2.5 h 8000 6000 4000 2000 1000 800 (10 min) 600 400 200 100 80 (1 min) 60 40 20 10 6 8 4 Tolerance t r [s] NZM1(-4)-A(F)... Motor protection with NZM1 Tripping time [s] 2.5 h 8000 6000 4000 2000 1000 800 (10 min) 600 400 200 100 80 (1 min) 60 40 20 10 6 8 4 Tolerance t r [s] NZM1-M... Circuit-breakers, switch-disconnectors up to 1600 A 2 0.8 1 0.6 0.4 0.2 I i = 6 10x I n Setting range 2 0.8 1 0.6 0.4 0.2 I i = 8 14x I n Setting range 0.1 0.08 0.06 0.04 0.1 0.08 0.06 0.04 0.02 0.02 0.01 0.008 0.006 0.004 0.01 0.008 0.006 0.004 0.002 0.002 0.001 1 2 3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100 0.001 1 2 3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100 x I r x I r System and line protection with NZM2 Motor protection with NZM2 Tripping time [s] 2.5 h 8000 6000 4000 2000 1000 800 (10 min) 600 400 NZM2(-4)-A(F)... Tripping time [s] 2.5 h 8000 6000 4000 2000 1000 800 (10 min) 600 400 NZM2-M... 200 200 100 80 (1 min) 60 40 20 10 6 8 4 Tolerance t r [s] 100 80 (1 min) 60 40 20 10 6 8 4 Tolerance t r [s] 2 0.8 1 0.6 0.4 0.2 I i = 6 10x I n Setting range 2 0.8 1 0.6 0.4 0.2 I i = 8 14x I n Setting range 0.1 0.08 0.06 0.04 0.1 0.08 0.06 0.04 0.02 0.02 0.01 0.008 0.006 0.004 0.01 0.008 0.006 0.004 0.002 0.002 0.001 1 2 3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100 0.001 1 2 3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100 x I r x I r
132 Tripping characteristics Tripping characteristics for circuit-breakers Circuit-breakers, switch-disconnectors up to 1600 A Systems, cable, selectivity and generator protection with NZM2 Tripping time [s] 2.5 h 8000 6000 4000 2000 1000 800 (10 min) 600 400 200 100 80 (1 min) 60 40 20 10 6 8 4 2 0.8 1 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 I sd = t r [s] 20 17 14 10 8 6 4 2 t sd [ms] 1000 750 500 300 200 100 60 20 2 3 4 5 6 7 8 910 x I r 0 I i = 12 x In System and line protection with NZM3 NZM2(-4)-VE(F)... Characteristics for I r = 1,0 x I n 2 3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100 x I r Motor protection with NZM2 Tripping time [s] 2.5 h 8000 6000 4000 2000 1000 800 (10 min) 600 400 200 100 80 (1 min) 60 40 20 10 6 8 4 2 0.8 1 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 I i = t r [s] 20 17 14 10 6 8 4 2 3 4 5 6 8 10 12 14 x I r Moeller SK1230-1157GB-INT Systems, cable, selectivity and generator protection with NZM3 2 NZM2-ME... Characteristics for I r = 1,0 x I n 2 3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100 x I r Tripping time [s] 2.5 h 8000 6000 4000 2000 1000 800 (10 min) 600 400 200 100 80 (1 min) 60 40 20 10 6 8 4 2 0.8 1 0.6 0.4 0.2 0.1 0.08 0.06 0.04 0.02 I i = 2 2.5 3 3.5 4 5 6 7 8 2 3 4 5 6 7 8 9 11x I n 250 A, 400 A Characteristics for I r = 1,0 x I n I i = x I n NZM3(-4)-AE(F)... 630 A Tripping time [s] 2.5 h 8000 6000 4000 2000 1000 800 (10 min) 600 400 200 100 80 (1 min) 60 40 20 10 6 8 4 2 0.8 1 0.6 0.4 0.2 0.1 0.08 0.06 0.04 0.02 2 3 4 5 6 7 8910 t sd [ms] 1000 750 500 300 200 x I r 100 60 20 0 x I r I sd = 1.5 2 2.5 3 3.5 4 5 6 7 630 A I sd = t r [s] 20 17 14 10 8 6 4 2 Characteristics for I r = 1,0 x I n without “I 2 t = constant” function 250 A, 400 A NZM3(-4)-VE(F)... 0.01 0.008 0.006 0.004 0.002 0.01 0.008 0.006 0.004 0.002 I i = I i = 2 2.5 3 3.5 4 5 6 7 8 x I n 630 A 2 3 4 5 6 7 8 9 11x I n 250 A, 400 A 0.001 1 2 3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100 0.001 1 2 3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100 x I r x I r
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Product Range Catalogue | 2006 Swit
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2 System overview Circuit-breakers,
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4 Overview Circuit-breaker, switch-
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8 Circuit-breakers Thermomagnetic r
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12 Circuit-breakers Electronic rele
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16 Circuit-breakers Thermomagnetic
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20 Circuit-breakers Electronic rele
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24 Switch-disconnectors 3 pole Circ
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26 Overview Circuit-breakers, switc
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30 Circuit-breakers for North Ameri
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42 Molded case switches for North A
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44 Overview Circuit-breakers and sw
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46 Circuit-breakers For 1000 V, 3 p
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48 Engineering Auxiliary contacts,
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50 Circuit-breakers, switch-disconn
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Technical Data - IC SYSTEMS automatika

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