© BA Electrical Machines - 1 M3000 Ex-motors August 2002 M3000 Low Voltage Motors for Hazardous Areas

© BA Electrical Machines - 2 M3000 Ex-motors - 2 August 2002 M3000 Ex-motors IEC and EN standards Zone 2 /Category 3 in abnormal conditions Zone 1 / Category 2 Occasionally Not suitable for motors Zone 0 Category 1 Continuously Ex nA EEx nA Ex e EEx e Ex p EEx p Ex d EEx d Ex e EEx e Ex p EEx p Ex d EEx d Apparatus groups Group I - Mines susceptible to firedamps Group II - Other places Gas groups (needed only for Ex d and Ex i) IIA (e.g. Propane) IIB (e.g. Ethylene) IIC (e.g. Acetylene and Hydrogen) Zones Zone 0 - continuously Zone 1 - occasionally Zone 2 - in abnormal conditions Temperature classes T1T2T3T4T5T6 450°C300°C200°C135°C100°C85°C

© BA Electrical Machines - 3 M3000 Ex-motors - 3 August 2002 M3000 Ex-motors Marking (EN) EEx - Explosion protected apparatus (Euro Norms) Type of Protection II - Group (other than mines) A, B, C - Gas groups Used only with protection types d and ia/ib Temperature Class EEx d II C T4 Standard marking according to EN-standards II 2 G / D 0081 Gas or Dust Equipment Category (Zone 1) Group of equipment for Surface Use in explosive atmosphere ExNB CE-marking Marking according to ATEX-directive

© BA Electrical Machines - 4 M3000 Ex-motors - 4 August 2002 M3000 Ex-motors Marking (IEC) EEx - Explosion protected apparatus nA - Type of Protection II - Group (other than mines) A, B, C - Gas groups Used only with protection types d and ia/ib Temperature Class Ex nA II T3 T1T2T3T4T5T6 450°C300°C200°C135°C100°C85°C

© BA Electrical Machines - 5 M3000 Ex-motors - 5 August 2002 M3000 Ex-motors ATEX Certified Frame sizes ATEX certified Flameproof Non-sparking Dust ignition proof Increased safety Frame sizes certification ongoing, ready by end of 2002

© BA Electrical Machines - 6 M3000 Ex-motors - 6 August 2002 M3000 Ex-motors Basics of ATEX directive and timetable ATEX-directive (94/9/EC) Compulsory after end of June 2003 Covers all equipment, which will be installed in hazardous area in EU (also non-electrical devices) Requirements are divided in three categories: Technical requirements from harmonised EN-standards Health and Safety aspects Production Quality requirements Timetable ABB delivered the first ATEX certified motor in 02/1999 DirectivesMarkingUntil From /117/EEC, 79/196/EEC and 82/130/EEC 94/9/EC (Atex) Valid

© BA Electrical Machines - 7 M3000 Ex-motors - 7 August 2002 M3000 Ex-motors ATEX directive - Requirements Technical All technical requirement based on harmonised EN standards Harmonisation New EN standards cover all EU countries Health and Safety All requirements focus on safety instructions All equipment must be delivered with instructions for safe: putting into service, use, assembling and dismantling, maintenance, installation, adjustment In practice manuals (in English) and safety instructions (official language of the country and in English)

© BA Electrical Machines - 8 M3000 Ex-motors - 8 August 2002 M3000 Ex-motors EC Declaration of Conformity Directive 94/9/CE (ATEX): The only document which is mandatory to be given with each delivery is: EC Declaration of Conformity. With this document ABB takes the commitment and responsibility that the products respect the ATEX directive. This document gives information on; - product quality assessment notification - EC type examination certificate (with reference numbers).

© BA Electrical Machines - 9 M3000 Ex-motors - 9 August 2002 M3000 Ex-motors Hazardous area motors Frame sizes 71 to 400 Output power 0.25 to 630 kW M3000 concept Variants Flameproof EEx d(e) Increased Safety EEx e Non-sparking EEx nA/Ex nA Dust Ignition Proof

© BA Electrical Machines - 10 M3000 Ex-motors - 10 August 2002 M3000 Ex-motors Flameproof motors EEx d/EEx de IIB/IIC T4 Frame sizes 80 to 400 Output power 0.55 to 630 kW EEx d Motor and terminal box flame proof EEx de Motor flameproof and terminal box of “Increased safety EEx e” -construction

© BA Electrical Machines - 11 M3000 Ex-motors - 11 August 2002 M3000 Ex-motors Increased safety motors EEx e II T3 Aluminium Frame sizes 90 to 250 Output power 1.1 to 53 kW Cast Iron Frame sizes 80 to 400 Output power 0.55 to 330 kW According to EN 50014/50019 VIK (only cast iron) Temperature classes T2-T3

© BA Electrical Machines - 12 M3000 Ex-motors - 12 August 2002 M3000 Ex-motors Non-sparking motors EEx nA/Ex nA II T3 Aluminium Frame sizes 90 to 280 Output power 1.1 to 95 kW Cast Iron Frame sizes 71 to 400 Output power 0.25 to 630 kW Present marking EEx nA acc to EN Ex nA acc to IEC Ex N acc to BS 5000:16 Temperature class T1-T3

© BA Electrical Machines - 13 M3000 Ex-motors - 13 August 2002 M3000 Ex-motors Motors for dust ignition protection (DIP) Aluminium Frame sizes 90 to 250 Output power 1.1 to 55 kW Cast Iron motor Frame sizes 71 to 355 Output power 0.25 to 500 kW Zones 21 and 22 acc. to EN Category 2 D - T125°C - IP65 Category 3 D - T125°C - IP55

© BA Electrical Machines - 14 M3000 Ex-motors - 14 August 2002 M3000 Ex-motors Basic motor design Terminal box Frame Lifting lugs Improved cooling Sealing Bearings Active material Corrosion protection

© BA Electrical Machines - 15 M3000 Ex-motors - 15 August 2002 M3000 Ex-motors Bearings Lubrication Lifetime lubrication sizes Regreasable bearings sizes Sealing 2RS integral seals sizes Gamma ring sizes V-ring sizes Valve disc as standard in sizes

© BA Electrical Machines - 16 M3000 Ex-motors - 16 August 2002 M3000 Ex-motors Terminal box 4 x 90° turnable as standard in sizes and 2 x 180° in sizes Cable glands included in cast iron sizes , except by flameproof EEx d motors Metric threads as standard Easy fastening for separate terminal box

© BA Electrical Machines - 17 M3000 Ex-motors - 17 August 2002 M3000 Ex-motors Rating plate examples IEC IEC Flameproof motors Stainless steel Individual serial number

© BA Electrical Machines - 18 M3000 Ex-motors - 18 August 2002 M3000 Ex-motors Ex-motors and frequency converters Designed for variable speed drive as standard Special attention to be taken: Winding insulation level Bearing insulation Loadability Second rating plate

© BA Electrical Machines - 19 M3000 Ex-motors - 19 August 2002 M3000 Ex-motors Flexible in design Flexible in design for modification of/to Encoders new standard hollow-shaft encoders, Ex-certified Separate cooling same fan as in standard cooling smaller fan and fan motor fan motor Ex-certified