2015年出訪薩克隨身攜帶terminal distribution

1、Terminal Distribution Products IntroductionMarketing DepartmentSASSIN International Electric Shanghai Co.,Ltd.CONTENTS Terminal Distribution Solution Miniature Circuit Breakers Residual Current Circuit Breakers Products Advantages 3SB71 Series Din Rail ProductsTerminal Distribution SolutionPower Pla

2、ntHigh VoltageTransmissionLocal SubstationLow Voltage TransmissionResidential Application1.1 Power SystemTerminal Distribution Solution1.2 Terminal Distribution SystemWhen you want to do it ?now or later ?its better to do it now you will get more by chanceTerminal Distribution Solution1.3 Safety and

3、 reliability you can count on Switching on & Switching offIsolator is the main switch of distribution lines. The main function of isolators are switching on & switching off and making circuit under load. Effective residual current protectionResidual current protective devices areused for the protect

4、ion of people andassets, fi re protection and to provideadditional protection in case of directcontact. They protect human lives andprevent fi res started by electrical ignition. Multi-level lightning protectionLightning arresters 3SU71 provide protectionagainst overvoltage and powersurges that may

5、be triggered by a director indirect lightning strike. Overload and short circuit protectionMiniature circuit breakers offer protection against damage caused by overload and short circuits.vzs3SB1-633SB1-63N3SB71-633SB71Z-633SB71-1253SB5-633SB52-633SB28 DPN3SB66 DPN3SB1-1252.1 Models of MCBs Miniatur

6、e Circuit Breakers(MCBs) Miniature Circuit Breakers(MCBs)2.2 DefinitionDefinition It is one electrical appliances which can connecting, bearing, breaking the current under the condition of the circuit or specified abnormal circuit conditions ,such as the short circuit current.Main Functions Switchin

7、g on & switching off circuit Over load protection Short-circuit protection Miniature Circuit Breakers(MCBs)2.3 Miniature Circuit BreakersFixed ContactMade by alloy which can improve the working life and reduce the damage in working or short circuitMoving ContactSilver planting in the surface which c

8、an improve the ability of electric conduction 。TerminalTemperature-sensing elementContact WireMoving ContactElectromagnetic systemLoad TerminalArc extinguish chamber9The winding current can produce magnetic field, when the current flows through the winding 1 and 2 to attract each other.The space bet

9、ween “1” and “2”will be adjusted by spring and made them separate.When short circuit happened, the magnetic force of “2” will e the resistance of spring.If the current reached the largest rated current, the mandril will trigger the trip handle and break the circuit.Mechanical systemTrip handleMandri

10、l1 Fixed iron core2 Moving iron coreSpringFixed contactMoving contact2.4 Electromagnetic System Miniature Circuit Breakers(MCBs)Instantaneous Trip lineCurves B curves (35In)C curves (510In)D curves (1020In)Damage WiresTripNon Tript (s)I/InIndIdInd = Non trip currentId = Trip currentElectromagnetic S

11、ystem trip line Miniature Circuit Breakers(MCBs)Temperature dropMCB without temperature compensation functionIf Environment Temperature higher than reference temperature(30C)：Lower the capacity to usePoles will trip together because of mechanical interlockBending40CTrip line60CTrip lineColdHot2.5 Do

12、uble Metal Operating SyestemHigh expansibility metalLow expansibility metal Miniature Circuit Breakers(MCBs) Miniature Circuit Breakers(MCBs)TripNon tripDamage double metal精度t (s)I/InInIndIdIn = Rated currentInd = Non trip currentId = Trip currentCurves B curves (35In)C curves (510In)D curves (1020I

13、n)Double Metal System (thermal) trip lineThe Arc Extinguish chamber system is used for protecting the important parts,such as the double metal system. 招弧角Arcing hom2.6 Arc Extinguish chamber system Miniature Circuit Breakers(MCBs)招弧角Arcing homMoving contactElectrical ArcFixed contac tStandards:Curre

14、nt and voltage in mounting point are supposed to less than rated current and rated voltage.2) Rated breaking capacity Anticipating short circuit capacity3) Curves selection:B curves (35In): Used for quickly tripping and in low spike place. E.g. incandescent lamp, electric heater and civil architectu

15、ral line;C curves (510In) ：Used in most of the electric loop. E.g. fluorescent lamp, high intensity gas discharge lamp and motor distribution system.;D curves (1020In)：Used in high spike. E.g. motor, magnetic valve, and other high-sensibility load.2.7 Selection of MCB Miniature Circuit Breakers(MCBs

16、)3SR033SL66-1003SL52-633SL36-1003SB71L-503SB71LM-633SB71LE-633SB71LN-403SB71LNE-403SL71N-403.1 Models of RCCBs Residual Current Circuit Breakers (RCCBs) Residual Current Circuit Breakers (RCCBs)3.2 Definition of RCCBsFunctions：Switching on & switching off circuitProtection against indirect contacts

17、and electrified bodies (30mA)Additional protection against direct contacts and electrified bodies (30mA)Protection against fire disaster caused by insulation faults Residual Current Circuit Breakers (RCCBs)3.3Working TheoryRCCBs constantly monitor electric current along the circuit with magnetic sys

18、tem. If it detects electricity flowing down in an unintended path, such as through a person who has touched a live part, it will cut off the circuit to reduce the risk of death or serious injury. Residual Current Circuit Breakers (RCCBs)3.4 Working Theory3.5 Selection of RCCBsStandards: 1. Operating

19、 principle：Electronic type and electromagnetic type2. DC component: AC type and A type3. Overload protection：RCCB and RCBO4. Poles：1P+N、2P、3P、3P+N、4P5. Residual action time：Time-delay and instantaneous6. Rated current mounting point current7. Rated voltage mounting point voltage （Electronic type 50V

20、）8. In30mA to protect people In300mA to prohibit the product from fire diseaster9. Mounting point short circuit currentRated connecting and breaking capacity（Im） Residual Current Circuit Breakers (RCCBs)4.1 Best selected material 1-Plastic parts Products AdvantagesPA 46All the plastic parts were mad

21、e in our own injection workshop. The plastic material areNew material with ROHS certificates.Samples from other factories were with bad materialsSASSINSAMPLESAMPLESAMPLESAMPLE4.2 Best selected material 2 Silver pointSilver pointOur products are with high quality graphite silver Point. The electrical

22、 life is more than standard Requirement.SASSINSAMPLESAMPLESamples from other factories are with copper alloyor brass contact. Products Advantages4.3 Best selected material 3SASSIN with arc attracting plateSASSIN is copper fixed contactSAMPLE is iron or brass contactSAMPLE without attracting plateSam

23、ples are from other factory. Products Advantages4.4 Higher Breaking capacity up to 10kA Products Advantages4.5 Easy Wiring and Mounting Products Advantages4.6 Full Range of AccessoriesAuxiliary contact3SB71CAuxiliary alarm3SB71JUnder votage release 3SB71QShunt release3SB71F Products Advantages4.7 Al

24、l kinds of certificates Products Advantages5.1 3SB71 Miniature Circuit Breaker 3SB71 Series DIN RAIL ProductsCharacteristic3SB71 series circuit breakers can provide protection for short circuitAnd overload,etc.Both AC and DC application is available.Contact position indicator:easy to recognize conta

25、ct status.Energy-limiting class 3.Easy wiring and mounting.Full range of accessories.5.2 3SL71 Residual Current Circuit BreakersCharacteristic3SL71 RCCB provide leakage current protection against directContact and indirect contact.Insulation protection(short circuit,electrical fire,etc)Minimum residual operating current is down to 10mA.The coordination of instantaneous tripping type and S delay Tripping type can realize the selective protection.Test button provides