Circuit breakers and switch-disconnectors NT06 to NT16 and NW08 to NW63
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1 Functions and characteristics Circuit breakers and switch-disconnectors NT06 to NT16 and NW08 to NW63 NT and NW selection criteria Masterpact NT Masterpact NW NT06, NT08, NT10, NT12, NT16 NT06, NT08, NT10 NW08...NW16 NW08...NW40 H1 H2 L1 N1 H1 Type of application with low short-circuit Applications with medium-level shortcircuit Limiting circuit breaker for protection of cabletype feeders or upgraded transformer ratings with low short-circuit Circuit breaker for industrial sites with high short-circuit Icu/Ics at 440 V 42 ka 50 ka 130 ka 42 ka 65 ka Icu/Ics at 1000 V Icu/Ics at 500 V DC L/R < 15 ms Position of neutral Left Left Left Left Left or right Fixed F F F F F Drawout D D D D D Switch-disconnector version Yes No No Yes Yes Front connection Yes Yes Yes Yes Yes up to 3200 A Rear connection Yes Yes Yes Yes Yes Type of Micrologic control unit A, P, H A, P, H A, P, H A, P, H A, P, H Masterpact NT06 to NT16 installation characteristics Circuit breaker NT06, NT08, NT10 NT12, NT16 Type H1 H2 L1 H1 H2 Connection Drawout FC b b b b b RC b b b b b Fixed FC b b b b b RC b b b b b Dimensions (mm) H x W x D Drawout 3P 322 x 288 x 277 4P 322 x 358 x 277 Fixed 3P 301 x 276 x 196 4P 301 x 346 x 196 Weight (kg) (approximate) Drawout 3P/4P 30/39 Fixed 3P/4P 14/18 Masterpact NW08 to NW63 installation characteristics Circuit breaker NW08, NW10, NW12, NW16 NW20 Type N1 H1 H2 L1 H10 H1 H2 H3 L1 H10 Connection Drawout FC b b b b - b b b b - RC b b b b b b b b b b Fixed FC b b b - - b b RC b b b - - b b Dimensions (mm) H x W x D Drawout 3P 439 x 441 x 395 4P 439 x 556 x 395 Fixed 3P 352 x 442 x 297 4P 352 x 537 x 297 Weight (kg) (approximate) Drawout 3P/4P 90/120 Fixed 3P/4P 60/80 (1) Except 4000 A-4
2 Special applications NW H10 NW H2 with NW10...NW40 H2 H3 L1 corrosion N DC H DC protection High-performance circuit breaker for heavy industry with high shortcircuit Incoming device with very high performance for critical applications Limiting circuit breaker for protection of cable-type feeders or upgraded transformer ratings 1000 V systems, e.g. mines and wind power Environments with high sulphur contents NW earthing switch DC system DC system Installation earthing 100 ka 150 ka 150 ka ka ka ka 85 ka - Left or right Left Left Left Left or right F F F - D D D D D D D D Yes Yes No Yes Yes Yes Yes Yes Yes up to 3200 A Yes up to 3200 A Yes up to 3200 A No Yes up to 3200 A No No Yes up to 3200 A Yes Yes Yes Yes Yes Yes Yes Yes A, P, H A, P, H A, P, H A, consult us for P and H A, P, H DC Micrologic DC Micrologic - NW25, NW32, NW40 NW40b, NW50,NW63 H1 H2 H3 H10 H1 H2 b (1) b (1) b (1) b b b b b b b (1) b (1) b b - - b b 479 x 786 x x 1016 x x 767 x x 997 x / /160 A-5
3 Functions and characteristics Circuit breakers and switch-disconnectors NT06 to NT16 PB104378A48 Common characteristics Number of poles 3/4 Rated insulation voltage (V) Ui 1000 Impulse withstand voltage (kv) Uimp 12 Rated operational voltage () Ue 690 Suitability for isolation IEC Degree of pollution IEC Basic sweatchgear Circuit-breaker as per IEC Rated current (A) In at 40 C/50 C (1) Rating of 4th pole (A) Sensor ratings (A) Ultimate breaking capacity (ka rms) Icu 220/415 V 440 V Rated service breaking capacity (ka rms) Ics % Icu Utilisation category Rated short-time withstand current (ka rms) Icw 0.5 s Integrated instantaneous protection (ka peak ±10 %) Rated making capacity (ka peak) Icm 220/415 V 440 V Break time (ms) between tripping order and arc extinction Closing time (ms) Circuit-breaker as per NEMA AB1 Breaking capacity (ka) 240 V 480 V 600 V (1) 50 C: rear vertical connected. Refer to temperature derating tables for other connection types. (2) See the current-limiting curves in the additional characteristics section. (3) SELLIM system. (4) Available for 480 V NEMA. (5) Suitable for motor control (direct-on-line starting). Switch-disconnector as per IEC and Annex A Type of switch-disconnector Rated making capacity (ka peak) Icm 220 V AC23A/AC3 category 440 V 525/ Rated short-time withstand current (ka rms) Icw 0.5 s AC23A/AC3 category Ultimate breaking capacity Icu (ka rms) with an external protection relay Maximum time delay: 350 ms Mechanical and electrical durability as per IEC /3 at In/Ie Service life Mechanical without maintenance C/O cycles x 1000 Rated current In (A) C/O cycles x 1000 Electrical without maintenance 440 V (4) IEC or switch-disconnector Rated operationnal current Ie (A) AC23A C/O cycles x 1000 Electrical without maintenance 440 V (4) IEC V or switch-disconnector Rated operationnal current Ie (A) AC3 (5) Motor power 380/415 V (kw) 440 V (kw) C/O cycles x 1000 Electrical without maintenance 440 V (4) IEC Annex M/IEC A-6
4 Sensor selection Sensor rating (A) 250 (1) Ir threshold setting(a) 100 to to to to to to to 1600 (1) For circuit-breaker NT02, please consult us. NT06 NT08 NT10 NT12 NT to to to to to 1600 H1 H2 L1 (2) H1 H % 100 % B B A B B x In (3) < 50 < HA HA H1 H2 L1 H1 H2 L1 H1 H2 L1 H1 H2 H1 H H1/H2/HA H1/H2/HA y to to to to 560 y to to to to A-7
5 Functions and characteristics Circuit breakers and switch-disconnectors NW08 to NW63 PB104423A35 Common characteristics Number of poles 3/4 Rated insulation voltage (V) Ui 1000/1250 Impulse withstand voltage (kv) Uimp 12 Rated operational voltage () Ue 690/1150 Suitability for isolation IEC Degree of pollution IEC (1000 V) / 3 (1250 V) Basic circuit-breaker Circuit-breaker as per IEC Rated current (A) at 40 C / 50 C (1) Rating of 4th pole (A) Sensor ratings (A) PB104433A65 (1) 50 C: rear vertical connected. Refer to temperature derating tables for other connection types. (2) See the current-limiting curves in the additional characteristics section. (3) Equipped with a trip unit with a making current of 90 ka peak. (4) External protection must comply with permissible thermal constraints of the circuit breaker (please consult us). No fault-trip indication by the SDE or the reset button. (5) Available for 480 V NEMA. (6) Suitable for motor control (direct-on-line starting). A-8 Ultimate breaking capacity (ka rms) Rated service breaking capacity (ka rms) Ics % Icu Utilisation category Rated short-time withstand current (ka rms) Icw Integrated instantaneous protection (ka peak ±10 %) Rated making capacity (ka peak) Break time (ms) between tripping order and arc extinction Closing time (ms) Circuit-breaker as per NEMA AB1 Breaking capacity (ka) Icu Icm 220/415/440 V 220/415/440 V 240/480 V 600 V Unprotected circuit-breaker Tripping by shunt trip as per IEC Ultimate breaking capacity (ka rms) Icu Rated service breaking capacity (ka rms) Ics % Icu Rated short-time withstand current (ka rms) Icw Overload and short-circuit protection External protection relay: short-circuit protection, maximum delay: 350 ms (4) Rated making capacity (ka peak) Icm Switch-disconnector as per IEC and Annex A Type of switch-disconnector Rated making capacity (ka peak) AC23A/AC3 category Rated short-time withstand current (ka rms) AC23A/AC3 category Icm Icw Earthing switch Latching capacity (ka peak) 135 Rating short time withstand (ka rms) Icw 60 Hz 50 Hz Mechanical and electrical durability as per IEC /3 at In/Ie Service life Mechanical with maintenance C/O cycles x 1000 without maintenance Rated current In (A) C/O cycles x 1000 Electrical without maintenance 440 V (5) IEC or switch-disconnector Rated operational current Ie (A) AC23A C/O cycles x 1000 Electrical without maintenance 440 V (5) IEC or switch-disconnector Rated operational current Ie (A) AC3 (6) Motor power 380/415 V (kw) 440 V (5) (kw) (kw) C/O cycles x 1000 Electrical without maintenance 440/ (5) IEC Annex M/IEC
6 Sensor selection Sensor rating (A) 250 (1) Ir threshold setting(a) to 250 to 400 to 630 to 800 to 1000 to 1250 to 1600 to 2000 to 2500 to 3200 to 4000 to 5000 to 6300 (1) For circuit-breaker NW02, please consult us. NW08 NW10 NW12 NW16 NW20 NW25 NW32 NW40 NW40b NW50 NW to to to to to to to to to to to 6300 N1 H1 H2 L1 (2) H10 H1 H2 H3 L1 (2) H10 H1 H2 H3 H10 H1 H % 100 % 100 % 100 % B B B B < 70 < 70 < 70 < HA HF (3) HA HF (3) HA HF (3) HA % 100 % 100 % 100 % NW08/NW10/NW12 NW16 NW20 NW25/NW32/NW40 NW40b/NW50/NW63 NA HA HF HA10 HA HF HA10 HA HF HA10 HA HF HA10 HA N1/H1/H2 L1 H10 H1/H2 H3 L1 H10 H1/H2 H3 H10 H1 H2 800/1000/1250/ /3200/ b/5000/ H1/H2/HA/HF H1/H2/H3/HA/HF H1/H2/H3/HA/HF H1/H2/HA 800/1000/1250/ /3200/ b/5000/ H1/H2/HA/HF H1/H2/H3/HA/HF to to to to to to to to to to 1300 y to to to to A-9
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