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Technical data Circuit-breakers, switch-disconnectors for 1000 V AC 149 Moeller SK1230-1157GB-INT NZMH2, N2 NZMN3, N3 NZMH4, N4 General Utilization category A A A/B Maximum operating frequency Ops/h 120 60 60 Lifespan mechanical 20000 15000 10000 (of which max. 50 % trip by shunt/undervoltage release) Electrical Operations 3000 1000 500 Rated operational voltage U e V AC 1000 1000 1000 Circuit-breakers Rated uninterrupted current I u A max. 250 max. 630 max. 1600 Rated short-circuit making capacity 1000 V 50/60 Hz I cm kA 17 17 40 Rated short-circuit breaking capacity I cn I cu to IEC/EN 60947 operating sequence O-t-CO 1000 V 50/60 Hz I cu kA 10 10 20 I cu to IEC/EN 60947 operating sequence O-t-CO-t-CO 1000 V 50/60 Hz I cs kA 3 10 15 Rated making and breaking capacity Rated operational current AC-1 1000 V 50/60 Hz I e 250 630 1600 Circuit-breakers, switch-disconnectors up to 1600 A Switch-disconnectors Rated uninterrupted current I u A max. 250 max. 630 max. 1600 Rated short-time withstand current I cw kA 3.5 12 25 Rated making and breaking capacity Rated operational current AC-22/23A 1000 V 50/60 Hz I e 250 630 1600
150 Technical data Effective power loss Technical data Effective power loss 151 Circuit-breakers, switch-disconnectors up to 1600 A Moeller SK1230-1157GB-INT Moeller SK1230-1157GB-INT NZM up to 250A with thermomagnetic release (3 and 4 pole) Fixed mounted Fixed mounted NZM1- NS1- N1-, PN1- NZM2- NS2- N2-, PN2- A...(-NA) M... AF...-NA S...(-CNA) ...-NA ...(-NA) A...(-NA) M... AF...-NA S...(-CNA) ...-NA ...(-NA) I n [A] P R P R P R P R P R P R P R P R P R P R P R P R [W] [μOhm] [W] [μOhm] [W] [μOhm] [W] [μOhm] [W] [μOhm] [W] [μOhm] [W] [μOhm] [W] [μOhm] [W] [μOhm] [W] [μOhm] [W] [μOhm] [W] [μOhm] 1.2 – – – – – – 1.2 413000 – – – – – – – – – – – – – – – – 1.6 – – – – – – – – – – – – – – – – – – 6.2 750000 – – – – 2 – – – – – – 0.5 66000 – – – – – – – – – – – – – – – – 2.4 – – – – – – – – – – – – – – – – – – 8.4 450000 – – – – 3 – – – – – – 1.1 66000 – – – – – – – – – – – – – – – – 5 – – – – – – 0.4 9180 – – – – – – – – – – 0.2 4600 – – – – 8 – – – – – – 1 9180 – – – – – – – – – – 0.5 4600 – – – – 12 – – – – – – 0.5 1670 – – – – – – – – – – 0.4 1200 – – – – 15 – – – – 5.5 8180 – – – – – – – – – – 3 4250 – – – – – – 18 – – – – – – 1.3 1670 – – – – – – – – – – 1 1200 – – – – 20 9.8 8180 k.A. k.A. 9.8 8180 – – – – – – 5.1 4250 5.1 4250 5.1 4250 – – – – – – 25 8.8 4680 k.A. k.A. 8.8 4680 – – – – – – 8 4250 8 4250 6 3140 – – – – – – 26 – – – – – – 2 1050 – – – – – – – – – – 0.5 780 – – – – 30 – – – – 8.2 3030 – – – – – – – – – – 9 3140 – – – – – – 32 9.1 3030 k.A. k.A. – – – – – – – – 10 3140 10 3140 – – – – – – – – 33 – – – – – – 3.2 1050 – – – – – – – – – – 0.9 780 – – – – 35 – – – – 8.2 2220 – – – – – – – – – – 11 2800 – – – – – – 40 11 2220 13.5 2810 11 2220 2.7 562 – – – – 13 2800 13 2800 13 2800 1.5 317 – – – – 45 – – – – 10.7 1760 – – – – – – – – – – 15 2270 – – – – – – 50 13.5 1760 15 1880 13.5 1760 4.2 562 – – – – 18 2270 18 2270 18 2270 2.5 317 – – – – 60 – – – – 12.9 1190 – – – – – – – – – – 19 1700 – – – – – – 63 14 1190 16.7 1250 – – 6.7 562 6.7 562 6 380 20 1700 20 1700 – – 4 317 – – – – 70 – – – – 12.5 850 – – – – – – – – – – 17 1070 – – – – – – 80 15.5 850 21.1 1085 15.5 850 10.8 562 – – – – 22 1070 22 1070 22 1070 6 317 – – – – 90 – – – – 17.7 730 – – – – – – – – – – 23 855 – – – – – – 100 24 730 25 795 24 730 16.9 562 16.9 562 15 380 28 855 28 855 28 855 10 317 – – – – 110 – – – – 20.7 570 – – – – – – – – – – 22 589 – – – – – – 125 38 570 – – 38 570 – – 26.3 562 24 380 29 589 29 589 29 589 15 317 – – – – 150 – – – – – – – – – – – – – – – – 35 427 – – – – – – 160 50 460 – – – – – – – – 38 380 40 427 40 427 – – 25 317 25 317 19.7 256 175 – – – – – – – – – – – – – – – – 37 332 – – – – – – 200 – – – – – – – – – – – – 48 332 48 332 48 332 40 317 40 317 30.7 256 225 – – – – – – – – – – – – – – – – 46 310 – – – – – – 250 – – – – – – – – – – – – 57 310 – – 57 310 59.4 317 59.4 317 48 256 Note: The values stated in the table apply for fixed mounted 3 and 4 pole devices which are loaded uniformly. On 4 pole devices the current on the N conductor is equal to zero. The entire resistive load is for the measured three-pole or four-pole value. The total heat dissipation is the measured value for I n at 50/60 Hz for a 3-pole or 4-pole switch. The heat dissipation can be calculated using the fromula: P = 3 x R x I² Circuit-breakers, switch-disconnectors up to 1600 A NZM up to 1600 A with electronic release (3 and 4 pole) Fixed mounted Additional Fixed mounted Additional Fixed mounted Additional NZM2- N2, PN2 Plug-in units NZM3- N3-, PN3- Withdrawable NZM4- N4- Withdrawable R R R R R R R R R [μOhm] [μOhm] [μOhm] [μOhm] [μOhm] [μOhm] [μOhm] [μOhm] [μOhm] 275 256 100 100 90 70 37 37 10 Note: The values stated in the table apply for 3 and 4 pole devices which are loaded uniformly. On 4 pole devices the current on the N conductor is equal to zero. The total resistive load is the measured value for a 3 pole or 4 pole switch (independent of I n and the type of release). The total resistive load for a switch in fixed or withdrawable design results from: the resistive value for fixed mounting + resistive value for plug-in or withdrawable design. The heat dissipation can be calculated using the fromula: P = 3 x R x I²
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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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Circuit-breakers, switch-disconnect
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Circuit-breakers, switch-disconnect
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Page 87 and 88: 132 Tripping characteristics Trippi
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Page 91 and 92: 136 Tripping characteristics Let-th
Page 97 and 98: 142 Technical data Circuit-breakers
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Page 105 and 106: 154 Technical data Remote operator,
Page 107 and 108: 156 Technical data Undervoltage rel
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Page 111 and 112: 160 Technical data Fieldbus connect
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222 Part number list Circuit-breake
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