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ABB SACE

1

MNS R
main low voltage
distribution switchgear

Index

General

Introduction ................................................................................................................................. 2

Technical data ............................................................................................................................. 3

Construction and functional characteristics

Switchgear frame ........................................................................................................................ 4

Earthing ...................................................................................................................................... 4

Circuit-breakers used .................................................................................................................. 5

Circuit-breaker compartment ...................................................................................................... 5

Instrument compartment ............................................................................................................. 6

Busbar compartment .................................................................................................................. 7

Main busbars .............................................................................................................................. 7

Distribution busbars .................................................................................................................... 8

Cable compartment .................................................................................................................... 9

Segregation forms ..................................................................................................................... 10

Construction forma type ............................................................................................................ 10

Typical units and cross-sections ................................................................................................ 12

Ventilation ................................................................................................................................. 13

Standardisation

Typical configurations ................................................................................................................ 14

Switchgear depth ...................................................................................................................... 16

Versions

Available versions ...................................................................................................................... 17

Arc-proof .................................................................................................................................. 17

Power Motor Control Center integrated solutions ...................................................................... 17

Intelligent switchgear ................................................................................................................. 20

Installation

Fixing the units to the floor ........................................................................................................ 22

Tests and certifications

......................................................................................................... 23

ABB PC30

23-11-2009, 8:12

1

Summary of Contents for MNS R

Page 1: ...Contact us Document ID MNS R Main distribution switchgear System Guide ...

Page 2: ......

Page 3: ...mpartment 6 Busbar compartment 7 Main busbars 7 Distribution busbars 8 Cable compartment 9 Segregation forms 10 Construction forma type 10 Typical units and cross sections 12 Ventilation 13 Standardisation Typical configurations 14 Switchgear depth 16 Versions Available versions 17 Arc proof 17 Power Motor Control Center integrated solutions 17 Intelligent switchgear 20 Installation Fixing the uni...

Page 4: ...the high currents involved and the effective short circuit levels require high per formances switchgears Furthermore must be guaranteed personnel safety service continuity easy inspection maintenance erection and installa tion Easy extension applications as well as compact overall dimensions are a must The Power Center MNS R switchgear fully complies with all these requirements In addition to that...

Page 5: ...100 kA 0 3 s at IEC 61641 on request Mechanical Dimensions Height 2200 mm characteristics Widht 300 400 600 800 1000 1200 mm Depth 1025 1200 1400 1600 mm Module base height E 25 mm DIN 43660 Surface protection Frame Al Zn galvanisation Internal divisions Galvanised sheet UNI EN 10130 Transversal section Electrolytic galvanisation UNI ISO 4520 Housing doors and external curtain panels Painting RAL ...

Page 6: ...s electrolytic copper earth ing busbar with a cross section suit able for the proper switchgear short circuit rating and pre set on both sides for connection to the earthing network Are connected to the earthing busbar all the metallic structures of the indi vidual units all not live metallic parts of the cir cuit breakers all CTs and VTs secondary earthing connections All others not live metallic...

Page 7: ...xed plug in and withdrawable With all the widrawable circuit breakers in order do guarantee the maximum safety level to the operator the apparatus handling can be carried out with the door closed Circuit breaker compartment with Emax Circuit breaker compartment with Isomax Circuit breakers used System Pro M modular circuit breakers MCBs SACE Emax air circuit breakers ACBs SACE Isomax S moulded cas...

Page 8: ...s control and signalling devices are normally mounted on the door whereas any other auxiliary appara tus such as miniature circuit break ers protection fuses and auxiliary re lays are placed inside the compart ment Apparatus wiring is made with flexible copper cables and arranged in dedicated wiring channels Each circuit breaker terminal blocks are separated from the others and prop erly identifie...

Page 9: ...mposed by 1 2 or 3 busbars per phase according to requested rated current short circuit level and operational ambient conditions in terms of temperature altitude and humidity Busbars are normally bare copper made on request can be suit ably treated with tinning silver plating and or sheathing Main busbar system with connections for incoming busbars and bus tie from the top Main busbars MNS R main ...

Page 10: ...n the right or on the left in the column They are feeding out going circuit breakers and are con nected to them by means of rigid or flexible copper busbars or cables In any case all the connections are suit ably sized to withstand the thermody namic stresses of the fault currents Busbar distribution system with connections to the outgoing circuit breakers made with copper busbars and cables Cable...

Page 11: ... of the panel and and it is accessible by means of a locked hinged door or a removable bolted door Its purpose is to contain power terminals outgoing cables current reducers auxiliary terminal boxes if any Removable sheets for cable entry Distribution busbars Connection terminals ...

Page 12: ...rs from functional units and between functional units segregation of the terminals from the functional units but not from the busbars terminals not separated from each other Form 3b Segregations of the busbars from the functional units and between functional units segregation of the terminals from the functional units and from the busbars but not from each other Form 4a Segregations of the busbars...

Page 13: ...Form 3b Construction solution of one unit with moulded case circuit breaker in form 3b View from the top of a column with moulded case segregated circuit breaker in form 3b Form 4b Construction solution of one unit moulded case circuit breaker in form 4b View from the top of a column with moulded case segregated circuit breaker in form 4b MNS R form 3a 3b and 4b construction solutions ...

Page 14: ...op and bottom entry design For modules sizing please refer to ta bles at page 15 Tmax and Isomax moulded case cir cuit breakers are installed horizontally and vertically as well in the unit For modules sizing please refer to ta bles at page 14 The bus duct can easily be connected to the busbar system of the circuit breakers in the switchgear Typical realisation of a structure with Emax circuit bre...

Page 15: ...ments in order to guarantee an efficient natu ral ventilation to all the installed com ponents Ventilation grides for natural cooling are placed on the front and rear side of the the panel on both top and bottom positions and on the roof as well A Apparatus area B Busbar area C Cable area Diagram of natural ventilation of the unit ...

Page 16: ... Outgoing solutions for 5000 6300 A main busbar system Typical Incoming Outgoing solutions for main busbar system up to 4000 A Depth 1200 1400 1600 PC 3 0 PC 3 0 PC 3 0 MORSETTIERE MORSETTIERE MORSETTIERE SACE SACE Depth 1200 1400 1600 PC 3 0 MORSETTIERE PC 3 0 MORSETTIERE PC 3 0 MORSETTIERE SACE Depth 1400 1600 PC 3 0 MORSETTIERE SACE MORSETTIERE PC 3 0 SACE PC 3 0 PC 3 0 MORSETTIERE PC 3 0 Depth...

Page 17: ...solutions please contact ABB SACE S p A directly Depth 1200 1400 1600 PC 3 0 PC 3 0 PC 3 0 SACE SACE SACE PC 3 0 SACE PC 3 0 SACE PC 3 0 Depth 1200 1400 1600 PC 3 0 SACE MORSETTIERE MORSETTIERE MORSETTIERE MORSETTIERE MORSETTIERE MORSETTIERE Depth 1400 1600 PC 3 0 PC 3 0 SACE PC 3 0 SACE SACE PC 3 0 PC 3 0 Depth 1400 1600 PC 3 0 PC 3 0 PC 3 0 PC 3 0 SACE SACE SACE MORSETTIERE MORSETTIERE MORSETTIE...

Page 18: ...urrent and on the space needed for feeder connections Depth Standardisation Switchgear depth in relation to the main busbars rated current Amperes Depth Max 50 kA 400 1200 630 1200 800 1200 1000 1200 1250 1200 1600 1200 2000 1200 2500 1200 Max 75 kA 400 1025 1200 630 1025 1200 800 1025 1200 1000 1025 1200 1250 1025 1200 1600 1025 1200 1400 2000 1025 1200 1400 2500 1025 1200 1400 3200 1025 1200 140...

Page 19: ...cables and wiring Arc proof Degree of protection IP30 54 IEC segregation forms 3a 3b and 4b Versions Arc proof On request in order to achieve the maximum safety level is available a version tested in conformity with the technical report IEC 61641 The arc proof ABB MNS R switchgear can withstand the stresses caused by any internal arcs for short circuit currents up to 100 kA for 300 ms at at 415 V ...

Page 20: ... ABB SACE Versions Power Motor Control Center integrated solutions By means of a busbar transition panel it is possible to make Power Motor Control Centers to supply widrawable motor control feeder units ...

Page 21: ...Drawers apparatus area Auxiliary cable area Power cable connection area form 4b Power cable entry exit Vertical busbar area In this solution the auxiliary connections are always accessed from the front whereas the power connections are available on the rear FRONT 800 900 600 1025 1200 1400 1600 200 300 600 200 300 800 900 1025 1200 1400 1600 EARTHING BUSBAR MAIN BUSBARS COMPARTMENT POWER CABLE ENT...

Page 22: ...ectrical distribution sector is supplied as the communication pro tocol Applications SD View 2000 is a system specially studied for application in those electrical distribution installations which require efficient management without the need to use complex and costly systems It is able to dialogue and control all the protection units of the installation and in particular low voltage Tmax Isomax a...

Page 23: ...ation over time by means of graphic diagrams Access to the various functions of the system can be ena bled by means of a password with different levels of au thorisation Putting the SD View 2000 system into service is simple and rapid in fact the software itself guides the user in rec ognition and configuration of the protection unit The user only needs to know the characteristics of the in stalla...

Page 24: ...0 VS 650 620 120 438 649 410 1 1600x400 VS 525 220 440 270 697 110 VS 650 220 320 438 649 110 1 1600x600 VS 525 420 440 270 697 210 VS 650 420 320 438 649 210 1 1600x800 VS 525 620 440 270 697 410 VS 650 620 320 438 649 410 Column Dim Type D x W Model A B C D E 2 1025x400 VS 525 220 370 538 2 1025x600 VS 525 420 370 538 2 1025x800 VS 525 620 370 538 2 1200x400 VS 400 220 170 250 563 VS 525 220 58 ...

Page 25: ...hort circuit 75 kA 1s Test report n 100398 Short circuit 100 kA 1s Test report LBRP n 5193 Arc proof 50 kA 0 3 s 726 V Test report LBRP n 5203 Arc proof 75 kA 0 5 s 726 V Test report n 0117 B verification of temperature rise limits 3000 5000 A Test report LOVAG ACAE n IT 01 044 verification of temperature rise limits 6300 A and verification of dielectric properties Uimp 12 kV Tests and certificati...

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Page 28: ...in Strada LO Italy Tel 39 0371 453 1 Fax 39 0371 453251 453265 ABBSace LVS_support it abb com www abb com mns The data and illustrations are not binding We reserve the right to modify the contents of this document on the basis of technical development of the products without prior notice Copyright 2009 ABB All right reserved ...

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