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Understanding Masterpact NT & NW NW breaker frame Micrologic socket Auxiliaries and accessories Drawout installation Fixed Installation Range and performances.

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Presentation on theme: "Understanding Masterpact NT & NW NW breaker frame Micrologic socket Auxiliaries and accessories Drawout installation Fixed Installation Range and performances."— Presentation transcript:

1

2 Understanding Masterpact NT & NW

3 NW breaker frame Micrologic socket Auxiliaries and accessories Drawout installation Fixed Installation Range and performances

4 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 3 Contents NW breaker frame Case Moving contact Current transformers Power supply Fixed contact Assembly Arc chamber Opening of contacts Return to contents

5 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 4 Case Supports the opening /closing mechanism stored energy mechanism (OCO sequence ) Insulated organic polymer material Fire proof No halogen

6 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 5 Moving contact Complete assembly fingers, braids, terminal no internal bolted joint High electromechanical and thermal withstand blow on Specific limiter contact assembly L1 performance Direct link to the OCO mechanism Isolated compartments

7 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 6 Current transformers Combined technology air core for measurement (Rogowsky) –measurement precision 1% –linearity from 40A to 400kA –self powered iron core for trip unit power Integral connector automatically connected One CT per pole Mounted on bottom side of moving contact

8 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 7 Micrologic trip unit power supply Circuit breaker Micrologic Communication module Basic protection Trip unit power supply Additionals functions (measurement, analyses...) Power supply COM Module Optical coupling Optional external 24V DC power supply for : programmable contact power supply, when breaker is open : Powers display, Identification, adjustments through “Com” module Iron CT Air CT Isolation Standard Internal voltage sensor or optional external voltage sensor for µP power supply and measurement ASIC Microprocesseur BUS power supply

9 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 8 Fixed Contact Breaking the arc arcing contact protects main contacts against wear high number of electrical operation increased life expectation Top terminal no internal joint

10 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 9 Assembly Reliability reduced number of components simple concept compact modular Three cases (3x3P & 3x4P) NT NW NW 40b - 63

11 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 1010 Arc chamber Increased arc impedance favors extinguishing properties patented metallic filter high porosity energy and gas absorption results in de-ionization of external gas Reduced external projections Reduced enclosure pressure Safety clearance above arc chamber NW : not required NT : D/O no, Fixed reduced Removable for contact inspection NTNW

12 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 1 Opening of contacts Commutation principle Contact pads protected from the electric arc for better performance Return to contents

13 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 1212 Contents Micrologic socket Mitop trip solenoid Making current release (DINF) NW Interface Trip alarm contact Remote reset 2 contacts module Communication module Return to contents

14 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 1313 Mitop trip solenoid Transforms the trip command into a mechanical operation to open the breaker Activate the alarm contact (SDE) NW

15 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 1414 Making current release (DINF) Self protection of the breaker when closing on very high fault current Standard on all NT and NW breakers NW

16 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 1515 NW Interface Accessory fixture Trip alarm contact SDE 1 communication module Auto trip controller : Missing trip unit security feature identical on NT NW

17 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 1616 Alarm trip contact SDE Trip signalisation on electrical fault (Mitop command) Standard changeover contact 10A 240V on all NT and NW breakers Optional : second alarm trip contact SDE 2 standard or low level NTNW

18 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 1717 Remote reset Remote reset of a tripped breaker automatic reset of the mechanical indicator 2 voltages : 110 / 130 V AC 200 / 240 V AC Exclusive with the second SDE NTNW

19 Understanding Masterpact NT & NW - 09/99 - DBTP213EN contacts module M2C programmable contacts : to energize bell or visual alarms to shed and reconnect non priority circuits … 2 closing contacts 10 A 240V AC Monitored by Micrologic P et H M6C : 6 programmable contacts in external DIN case NTNW

20 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 1919 Communication module Independent modules Breaker module data transmission threshold adjustment breaker status breaker monitoring breaker identification wave form capture readings of histories & logs Chassis module transmission of « connected, test, disconnected » positions NT Return to contents

21 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 2020 Contents Auxiliaries and accessories Electrical operating mechanism Voltage releases Auxiliaries connection block support « OF » auxiliary switches « Ready to close » contact Locking accessories and BPFE Control unit Operation counter Front cover Return to contents

22 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 2121 Electrical operating mechanism MCH Charges and automatically recharges the stored-energy spring upon breaker closing AC 50 / 60 Hz 100V to 480V CA 7 references DC 24V to 250V 4 references Charging time : 4 s maxi Easy installation : 1 screw Local and remote signalisation of « spring charged » mechanical indicator «charged» Changeover contact 10A 240V NTNW

23 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 2 Voltage releases Closing (XF) & opening (MX) coils AC 50/ 60 Hz –from 12V to 525V –8 references –Com compatible 12 to 480V DC –from 24V to 250 V –4 references Security opening coils MN and MNR AC 50/ 60 Hz –from 24 to 525V – 7 references DC –from 24V to 250 V –5 references NTNW

24 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 2323 NW Auxiliaries connection block support Allows the fixation of auxiliary connectors MN or MX2 MX1 XF PF MCH Supports the « OF » changeover switch block NW

25 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 2424 OF auxiliary switches NW standard : block of 4 OF contacts optional :2 additional blocks changeover contact 10A 480V low level compatible simplified mounting : 2 screws rotative contacts directly operated by mechanism NT standard :4 OF contacts identical to Compact NS changeover switch 6A 480V optional : low level contact 5A 480V clip on type NTNW

26 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 2525 Ready to close contact PF Changeover contact 10A 240V Indicates : the breaker is open the stored energy mechanism is charged the mechanism is correctly reset the breaker opening push button is not locked no opening order is present NT

27 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 2626 Installation of Micrologic socket Left side The socket supports communication module Micrologic control unit NW

28 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 2727 « open » position breaker locking NW key locking :1 or 2 locks padlocking : up to 3 padlocks electrical closing pushbutton (BPFE) available on support NT key locking :1lock padlocking : up to 3 padlocks Locks Ronis, Profalux, Castel NTNW

29 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 2828 Micrologic control units 4 protection levels LI, LSI, LSIG, LSIV Combined with 3 measurement levels A : current P : A + voltage + power + energy H : P + energy quality management (harmonics) Available functions monitoring and protection measure network monitoring maintenance help

30 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 2929 Micrologic control units Common to all NT and NW breakers CT rating / performance socket breaker rating breaking capacity (N1, H1, H2, H3, L1) Circuit breaker is maintained in open position when control unit is missing Interchangeable on site NTNW

31 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 3030 secondary wiring support control unit and « com » module NW Communication ZSI External neutral Earth leakage protection (vigi) Control unit external 24V voltage supply External voltage (phases and neutral) Programmable contacts M2C or M6C NT identical except external voltage exclusive with M2C/M6C NWNT

32 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 3131 Operation counter Sums the number of operating cycles (closing /opening) maintenance help Easy installation Visible on the front panel NW

33 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 3232 Front cover Front cover installed provides double insulation IP 20 : finger safe Attractive design Return to contents NTNW

34 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 3 Contents Drawout installation Drawout accessories Chassis Auxiliaries terminals Extracting the rail Racking sequence Primary connectors Return to contents

35 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 3434 Masterpact NT Lateral side panels Supports breaker on rails Carrying handles Easy installation with 4 screws NT

36 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 3535 Drawout connectors Connection between beaker and chassis Connectors Vertically oriented for optimal heat dissipation NTNW Return to contents

37 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 3636 Chassis Back mold Clusters Shutters Positions Secondary terminals Breaker installation

38 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 3737 Back mold Support interface primary clusters customer bus connection point Location of the shutters NW

39 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 3838 Chassis assembly Arc chute cover installed as standard 2 sizes of chassis 800 A A 4000 A A 2 variants 3P 4P NTNW

40 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 3939 Clusters One fits all ! Vertical orientation for better heat dissipation 10 fingers on each cluster across the entire range Clip on type Number of clusters depends on breaker frame size NTNW

41 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 4040 Shutters actuator Reversible upper and lower Quick installation Controlled by rear of breaker NW

42 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 4141 Safety shutter installation Safety shutters « up » and « down » identical but independent Shutter locking NW –in front of the chassis –on the primary stabs NT –on the primary stabs only NWNT

43 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 4242 Chassis position contacts Connected - test - disconnected NW 3 changeover contacts 10A 240V for each position activated by actuators Possible to replace the test and disconnected actuator by the connected actuator to get 9 CE contacts NT 3 CE, 2 CD, 1 CT Combined «connected/closed » contacts (EF) NWNT

44 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 4343 Auxiliaries terminals 2 wires from 0,75 to 2,5mm² Predefined position Simple identification Quick connection Easy installation NTNW

45 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 4 Auxiliaries cover Protection of auxiliary wires Easy identification by tampoprinting Quick mounting with 2 screws NTNW Return to contents

46 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 4545 Extracting the rails and installing the breaker Interlock must be defeated before removing breaker Provides guide for breaker Breaker slides in manually to disconnected position NTNW Return to contents

47 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 4646 Racking sequence with crank handle Safety Automatically opens breaker before connecting or disconnecting mechanical stop in all positions Push button for releasing each mechanical stop NTNW Return to contents

48 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 4747 Primary connectors Connector options Rear connectors Mixed connectors Front connectors Return to contents

49 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 4848 NW connector options Rear connectors NW & NW40b- 50 –Al ( ) –Cu ( ) –vertical or horizontal NW 40 & NW 63 –specific rear connectors Front connectors –Al ( ) –Cu ( ) –thickness : 20 mm for all connectors –identical top and bottom connector NW

50 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 4949 NT connector options Rear connectors NT copper 15 mm identical for fixed and drawout Front connectors long connector on top short connector on bottom side copper 15 mm Options for front or rear connectors Spreaders –pole pitch 95 mm edgewise terminal extension additional connectors ( eg: for cripmled lugs) identical for fixed and drawout NT

51 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 5050 Primary connection Vertical / horizontal rear Connectors matched to breaker size NT NW NW 40b - 63 pole pitch :70, 115, 230 mm Specific rear connectors for NW40 Pole pitch : –150 mm horizontal –115 mm vertical identical for fixed and drawout NTNW

52 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 5151 Primary connection mixed Without modification of the breaker depth, the primary connectors may be rotated Mixed connectors Coupling torque on the breaker 16mN busbars to primaries 50mN NTNW

53 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 5252 Front connection NT Draw out breaker –top side : long connectors –bottom side : short connectors spreaders option –pole pitch : 95 mm NW Front connection limited to 3200 A Draw out breaker –identical top and bottom connectors Return to contents NW

54 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 5353 Fixed installation Support bracket Vertical or horizontal mounting up to 4000A Secondary terminals 2 wires from 0,75 to 2,5mm² position predefined simplified identification quick connection simple installation Rotatable primary connectors same as draw out breaker NTNW

55 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 5454 Fixed installation Front connection and accessories NT Identical top and bottom connectors –thickness 12 mm Accessories –Spreaders –pole pitch 95 mm –edgewise terminal extension –additional connectors ( eg: for cripmled lugs) –thickness 12 mm for all accessories –adaptable on fixed or draw out NW –top side: long connectors –bottom side: short ones Return to contents

56 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 5 Contents Range and performances General characteristics NT 3/4P dimensions NW 3P dimensions NW 4P dimensions NT & NW performances IcU / Icw endurances Micrologic range Return to contents

57 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 5656 General characteristics Insulation voltage : 1000V Impulse withstand voltage : 12kV rated voltage : 690V Specific versions Switch 1000V AC DC 400Hz - 16Hz 2/3 Transfer switches Manual, remote controlled Automatic by rods : 2 NT & 2NW by cables : 2NT, 1NT+1NW 2NW, 3NW

58 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 5757 F: 259 D: 322 F: 290 D: 277 3P F: 210D: 288 4P F: 245D: 358 Masterpact NT P / 4P Overall dimensions height and depth fixed Weight fixed : 13 / 18 Kg draw out : 30 / 40 Kg Neutral Pole On left by default protection : 1/2, full, off

59 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 5858 Masterpact NW & 40b-63 3P Overall dimensions Height and depth fixed double poles construction for Masterpact NW 40b-63 Weight fixed : – NW : 60 Kg –NW 40b - 63 : 120 Kg draw out : –NW : 90 Kg –NW 40b - 63 : 225 Kg pole pitch : 115 mm / 230 mm F: 352 D: 439 F: 297 D: 394 F: 422 D: 441 F: 297 D: 394 F: 352 D: 479 F: 774 D: 786

60 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 5959 Masterpact NW & 40b-63 4P Neutral pole on left as default protection : 1/2, full, off Overall dimensions Height and depth fixed double poles construction for Masterpact NW 40b-63 weight fixed –NW : 80 Kg –NW 40b - 63 : 160 Kg draw out : –NW : 120 Kg –NW 40b - 63 : 300 Kg F: 352 D: 439 F: 297 D: 394 F: 544 D: 556 F: 297 D: 394 F: 352 D: 479 F: 997 D: 1016

61 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 6060 Icw (0,5 s) H1 L1 Masterpact NT Performances 220V to 440V

62 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 6161 Icw (1s) N1 H1 H2 H3 L1 Masterpact NW Performances 220V to 440V

63 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 6262 Performances NT & NW endurance Mechanical endurance : Electrical endurance : With maintenanceWithout maintenance Nbre de cycles (x1000) Nbre de cycle (x1000)

64 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 6363 Micrologic range Micrologic 2. 0 A Measurement type version Current protection type A 2 :Distribution L, I 5 :Selective L, S, I 6: Selective and ground fault L, S, I, G 7 :Selective and earth leakage L, S, I, V PH 2.0 A 5.0 A 6.0 A 7.0 A 5.0 P 6.0 P 7.0 P 5.0 H 6.0 H 7.0 H Return to contents

65 Understanding Masterpact NT & NW - 09/99 - DBTP213EN 6464 Things will never be the same


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