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Air Circuit Breaker

Содержание NA1-1000

Страница 1: ...2007 2008 Catalogue Air Circuit Breaker ...

Страница 2: ...and distribution equipments measuring meters and instruments electrical products for construction automation control devices and automobile applications CHINT has become one of most active players in the global electrical industry The Company has so far passed the certification of ISO9001 ISO14001 and OHSAS18001 Many of CHINT products have also been certified via some influe ntial international ce...

Страница 3: ...warehouse guarantee just in time operations and lead time Many of CHINT Low voltage electrical products have been certified under important interna tional certificates such as CE KEMA VDE TUV SEMKO FI ESC SNI SII UKRtest PCT RCC UL CSA etc Exquisitely manufactured and strictly tested CHINT Low voltage Electrical Products will meet your various demands for industrial commercial and residential appl...

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Страница 5: ...Air Circuit Breaker ...

Страница 6: ...tion Secondary circuit wiring Installation Recommendation for user s connecting bus bar Power loss 2 A S curve Temperature compensation correction Coordination recommendations Selectivity protection Intelligent controller Accessories Regular malfunction and solutions Order sheet NA1 Air Circuit Breaker ...

Страница 7: ...A NA1 3200 4000 2000A to 4000A NA1 6300 4000A to 6300A EU Netherland Ukrain Russia South Africa Sweden Air Circuit Breaker 5 basic frame sizes Summary For your various requirements the Air Circuit Breaker NA1 includes 5 basic frame sizes as followed ...

Страница 8: ... 2 1 3 4 5 6 7 8 11 12 13 14 15 Air Circuit Breaker ...

Страница 9: ...controller Operating mechanism Auxiliary contact Locking device Arcing chamber Secondary connecting part Wire cable mechanical interlock Connecting rod type mechanical interlock Shunt release Closing release Under voltage release Motor driven energy storage mechanism Rotary handle Fixed plate 2 9 10 16 ...

Страница 10: ...rn high buildings especially for the distribution system of intelligentized building 1 2 Standard IEC EN 60947 2 2 Operation Conditions 2 1 Temperature Condition 5 40 the average value within 24h shall not exceed 35 special situation excluded 2 2 Altitude 2000m 2 3 Pollution grade Grade 3 2 4 Air conditions At mounting site relative humidity not exceed 50 at the max temperature of 40 higher relati...

Страница 11: ...rameter Type NA1 1000 Rated ultimate short circuit breaking capacity Rated service short circuit breaking capacity Rated short time withstand current Icu 42kA 400V Ics 30kA 400V Icw 30kA 0 5s 400V Rated current In A 200 400 630 800 1000 Number of poles 3 4 Rated voltage Ue V 400 Rated insulation voltage Ui V 690 Rated current of N pole In A 50 In 100 In Fixed disconnection time ms 23 32 Intelligen...

Страница 12: ...r Standard type M Communication type H Operation performance Electric life Mechanical life Connection pattern Weight kg 5000 Non maintenance 10 000 Maintenance 20 000 Horizontal Vertical 70 80 43 52 Icu 80kA 400V 50kA 690V Ics 50kA 400V 40kA 690V Icw 50kA 1s 400V 40kA 1s 690V NA1 3200 NA1 4000 Type Rated current In A 2000 2500 3200 4000 Number of poles 3 4 3 Rated voltage Ue V 400 690 Rated insula...

Страница 13: ...e rated current In A 4000 5000 6300 Number of poles 3 4 3 Rated voltage Ue V 400 690 Rated insulation voltage Ui V 1000 Rated current of N pole In A 50 In 100 In Fixed disconnection time ms 23 32 Intelligent controller Standard type M Communication type H Operation performance Electric life Mechanical life Connection pattern Weight kg 2500 Non maintenance 5000 Maintenance 10 000 Horizontal Vertica...

Страница 14: ... 800 1000A 34 12 NA1 1000 3P 4P L1 246 316 L 274 344 In A 200 400 630 800 1000 A mm 32 50 50 H mm 6 8 10 n 3P 4P 3 4 6 8 6 8 N N 9 5 4 9 13 12 101 5 239 H 259 315 312 L 53 268 226 270 15 216 12 46 5 35 70 70 70 A 144 18 15 35 L1 8 φ5 n φ10 5 n φ13 12 200 400A 630 800 1000A Air Circuit Breaker Boring dimension of doorcase Installation panel Installation hole on right side NA1 1000 Drawout type Bori...

Страница 15: ...e 265 3 pole Right outer side of breaker 55 Φ14 175 33 Φ11 45 Disconnected position 187 5 a a NA1 2000 Fixed type 21 258 13 292 435 4 pole 340 3 pole 11 11 28 60 42 95 60 N pole 17 8 Φ13 28 40 17 115 32 Φ13 N pole 95 95 95 95 95 Installation panel 8 φ5 300 269 28 5 311 2 342 2 2 4 Φ12 435 4 pole 340 4 pole 150 290 359 150 50 a a 112 55 60 335 402 In A 630 800 1600 2000 a mm 10 15 20 Opening hole o...

Страница 16: ...el Opening hole on panel Vertical NA1 3200 Drawout type 45 Disconnected position 217 5 NA1 3200 Fixed type 115 40 86 72 115 40 86 N pole 15 16 Φ13 40 40 15 115 32 Φ13 N pole 115 115 115 115 21 258 13 493 4 pole 378 3 pole 352 515 4 pole 400 3 pole 11 11 290 389 150 50 a a 112 55 60 335 402 4 Φ12 515 4 pole 400 3 pole 150 8 φ5 362 269 28 5 311 404 2 In A 2000 2500 3200 a mm 20 30 Horizontal Right o...

Страница 17: ...er 528 352 550 37 70 42 5 258 439 45 Disconnected position 217 5 NA1 6300 In 4000A 5000A Drawout type 11 Φ5 20 47 155 302 378 202 404 268 21 5 362 15 5 112 92 97 175 10 494 30 813 3 pole 352 37 42 5 70 258 449 928 4 pole 835 3 pole 950 4 pole 2 11 17 818 4 pole 703 3 pole 55 Φ14 175 33 Φ11 103 247 155 210 247 40 20 55 28 Φ15 135 182 Right outer side of breaker Opening hole on panel Right outer sid...

Страница 18: ...14 175 33 Φ11 928 950 352 37 42 5 70 258 449 11 Φ5 20 47 155 302 378 202 404 268 21 5 362 15 5 103 337 180 260 337 40 20 80 24 Φ15 Opening hole on panel Right outer side of breaker Installation panel 55 Right outer side of breaker 45 Disconnected position 217 5 Air Circuit Breaker ...

Страница 19: ...elective 13 Self checking alarm signal output selective 14 Common line of different contacts 15 Earthing protection line 16 17 output close contact contact capacity AC400V 1A 27 28 Under voltage release 29 30 Shunt release 31 32 Closing release 33 34 35 Energy storage motor 18 26 36 38 Auxiliary contact auxiliary contact capacity AC230V 5A Note Dashed is to be connected by users 23 10 14 1 4 6 8 2...

Страница 20: ... signal output 20 Communication shield ground line 21 24 Voltage signal input of phase N A B C 25 26 Auxiliary contact capacity AC230V 5A 27 28 Under voltage release 29 30 Shunt release 31 32 Closing release 33 34 35 Energy storage motor 36 40 Auxiliary contact capacity AC230V 5A Note Dashed is to be connected by users 13 23 10 1 4 6 8 21 12 14 16 25 3 5 40 15 11 37 36 9 7 27 29 31 33 22 26 30 34 ...

Страница 21: ... to avoid the damage to shunt release and closing electromagnet one group of NO shunt release or NC closing electromagnet contact should be separately connected to the control circuit 6 2 NA1 2000 3200 4000 6300 Sb1 Shunt button SB2 Under voltage button SB3 Making button SA Q Under voltage release or under voltage time delay release F Shunt release X Closing release M Energy storage motor XT Conne...

Страница 22: ...utput 21 Fault tripping signal output 22 23 24 A B C Three phase power input terminal ST DP DP Transformer device Intelligent controller with auxiliary functions auxiliary switch energy storage motor energy storage indication main circuit Undervoltage release Shunt release Closing release Air Circuit Breaker 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 M Q F X 2 4 6 8 10 12 1...

Страница 23: ...cessing unit L1 L2 L3 L1 L2 L3 L11 L12 L13 L11 L12 L13 1QF 2QF 1TA1 2TA1 1TA2 2TA2 1TA3 2TA3 34 46 45 47 35 33 1 45 43 46 42 2 IRD IGN IYE 135 105 171 SA SA M 1QF 1QF 201 209 237 202 45 46 43 42 1QF 2QF Circuit breaker NA1 1FU1 2 Fuse RT14 20 10A 1SB1 2 Button LA18 22 Each one for red and green 1SA Change over switch LW12 16 4 0081 1 1KT Time delay relay JS14A 230V 1YEHL Signal indicator AD11 25 2...

Страница 24: ...y onto the slideway of drawer base Plug the handle into installation hole clockwise turns it until the under part of drawer base points at the connection position and click sound is heard It indicates that breaker body has been connected to its place then connect the cable of main circuit to drawer base Mounting the circuit breaker It is important to distribute the weight of the device uniformily ...

Страница 25: ...s must not form a magnetic loop Mounting with vertical brackets Mounting on rails Busbars The mechanical connection must be exclude the possibility of formation of a magnetic loop around a conductor non magnetic material A non magnetic material A 7 1 6 Busbar connections The busbars should be suitably adjusted to ensure the connection points are positioned on the terminals before the bolts are ins...

Страница 26: ... consequences as under tightening For connecting busbars to the circuit breaker the tightening torques to be used are shown in the table below These values are for use with copper busbars and steel nuts and bolts class 8 8 Preferred tightening torque for NA1 s tightening components 7 1 7 Main circuit adopts cable connection Users should not apply too strong mechanical strength on the terminals of ...

Страница 27: ... nuts gaskets shouldn t be left inside the drawer seat to avoid being blocked 7 3 Operation Check the rated voltage of the following components whether conforms to the power voltage Such as under voltage release shunt release closing electromagnet motor driven mechanism and intelligent controller 7 4 Maintenance Check the technical parameters in time or add some lubricating oil etc This breaker st...

Страница 28: ...on this is in compliance with the specification of copper busbars adopted under the heating conditions regulated in IEC EN60947 2 8 Recommendation for user s connecting bus bar NA1 1000 200 5 30 1 400 5 30 2 630 5 40 2 800 6 50 2 1000 8 50 2 Inm A NA1 3200 NA1 4000 NA1 6300 In A 3200 737 307 4000 3P 921 4000 4P 900 4000 575 5000 898 6300 1426 NA1 2000 630 70 34 4 800 110 50 1000 172 78 1250 268 12...

Страница 29: ...100 40 65 60 45 70 55 50 Ambient temperature 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 4800 5000 Rated current A In 4000A In 3200A In 2500A In 2000A NA1 3200 NA1 4000 40 65 60 45 70 55 50 Ambient temperature 3800 4000 4200 4400 4600 4800 5000 5200 5400 5600 5800 6000 6200 6400 6600 6800 7000 Rated current A In 6300A In 5000A In 4000A NA1 6300 40 65 60 45 70 55 50 A...

Страница 30: ...000 1 1250 2 1250 3 1250 1 1600 2 1600 3 1600 1 2000 2 2000 3 2000 1 2500 2 2500 1 3150 2 3150 360 360 360 455 455 455 578 578 578 722 722 722 910 910 910 1154 1154 1154 1444 1444 1444 1805 1805 1805 2310 2310 2310 2887 2887 2887 3608 3608 4550 4550 9 9 9 11 4 11 4 11 4 14 4 14 4 14 4 18 18 18 22 7 22 7 22 7 19 3 19 3 19 3 24 24 24 30 30 30 36 5 36 5 36 5 48 2 48 2 48 2 60 60 75 8 75 8 9 9 18 5 11...

Страница 31: ...0 1250 NA1 2000 1250 NA1 2000 1250 NA1 2000 1600 NA1 2000 1600 NA1 2000 1600 NA1 2000 2000 NA1 2000 2000 NA1 2000 2000 NA1 3200 2500 NA1 3200 2500 NA1 3200 2500 NA1 3200 3200 NA1 3200 3200 NA1 3200 3200 NA1 4000 4000 NA1 4000 4000 NA1 6300 5000 NA1 6300 5000 2 240mm 2 300mm 30 10 2 40 5 2 50 5 3 50 5 2 60 10 2 80 10 2 100 10 2 120 10 9 18 5 27 5 11 4 22 7 34 1 14 4 28 8 43 2 18 36 1 54 1 22 7 44 5...

Страница 32: ... 15 2 07 15 1 38 15 1 656 15 2 208 15 2 65 15 2 76 15 3 312 15 3 45 15 4 14 15 1 25 18 75 1 25 18 75 1 25 18 75 1 25 18 75 1 25 18 75 1 25 18 75 1 25 18 75 1 25 18 75 1 25 18 75 1 25 18 75 1 25 18 75 1 25 18 75 1 25 18 75 1 25 18 75 1 25 18 75 1 325 18 75 1 38 18 75 1 656 18 75 1 725 18 75 2 07 18 75 1 38 18 75 1 656 18 75 2 208 18 75 2 65 18 75 2 76 18 75 3 312 18 75 3 45 18 75 4 14 18 75 Circuit...

Страница 33: ... 3 2 48 3 2 48 3 2 48 3 2 48 3 312 48 3 45 48 4 14 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 1 725 48 2 07 48 3 2 48 3 2 48 3 2 48 3 2 48 3 2 48 3 312 48 3 45 48 4 14 48 4 60 4 60 4 60 4 60 4 60 4 60 4 60 4 60 4 60 4 60 4 60 4 60 4 60 4 60 4 60 4 60 4 60 4 60 1 725 60 2 07 60 4 60 4 60 4 60 4 60 4 60 4 60 4 60 4...

Страница 34: ...5 6 9 18 75 8 28 18 75 8 694 18 75 10 44 18 75 8 694 18 75 10 44 18 75 9 66 18 75 11 59 18 75 11 04 18 75 13 25 18 75 13 8 18 75 16 56 18 75 17 25 18 75 Rated current A Default setting ratings of short time delay 8In kA Setting range kA Delayed tripping time s Returnable time Frame size rated current Rated current A Instantaneous setting ratings kA 400 630 800 1000 1250 2 5 3 0 motor 3 15 3 78 mot...

Страница 35: ...7 25 48 20 7 48 3 45 48 4 14 48 4 347 48 5 216 48 4 83 48 5 796 48 5 52 48 6 624 48 6 9 48 8 28 48 8 694 48 10 44 48 8 694 48 10 44 48 9 66 48 11 59 48 11 04 48 13 25 48 13 8 48 16 56 48 17 25 48 20 7 48 4 60 4 14 60 4 347 60 5 216 60 4 83 60 5 796 60 5 52 60 6 624 60 6 9 60 8 28 60 8 694 60 10 44 60 8 694 60 10 44 60 9 66 60 11 59 60 11 04 60 13 25 60 13 8 60 16 56 60 17 25 60 20 7 60 4 60 4 14 6...

Страница 36: ...tting ratings 12In kA 400 630 800 1000 1250 1600 2000 2000 2500 3200 3200 4000 4000 5000 6300 4 8 7 56 9 6 12 15 19 2 24 24 30 38 4 38 4 48 48 60 75 6 348 9 45 800 6 4 0 8 12 6 348 12 9 998 12 6 348 15 9 998 15 12 696 15 6 348 18 75 9 998 18 75 12 696 18 75 15 87 18 75 Note It can satisfy the selective protection if only the short time delay setting value of the superior breaker 1 32 times more th...

Страница 37: ...19 837 48 25 392 48 31 74 48 31 74 48 39 675 48 6 348 48 9 998 48 12 696 48 15 87 48 19 837 48 25 392 48 31 74 48 31 74 48 39 675 48 6 348 60 9 998 60 12 696 60 15 87 60 19 837 60 25 392 60 31 74 60 31 74 60 39 675 60 50 784 60 50 784 60 6 348 60 9 998 60 12 696 60 15 87 60 19 837 60 25 392 60 31 74 60 31 74 60 39 675 60 50 784 60 50 784 60 6 348 75 9 998 75 12 696 75 15 87 75 19 837 75 25 392 75 ...

Страница 38: ...e delay time setting key 12 Overload long time delay current setting key 13 Fault cheking key 14 Short circuit short time delay time setting key 15 Short circuit short time delay current setting key 16 Test key 17 Short circuit instantaneous current setting key 18 Clear LED key 19 Earthing current setting key 20 Earthing time setting key The function of keys show as followed Fault checking key Aft...

Страница 39: ...8 9 12 13 11 1 Reset key 2 LCD display window 3 Fault and alarm reset key 4 Curve LED indication 5 Fault alarm LED 6 Normal LED 7 Communication indicator 8 Test key 9 Setting key 10 Message key 11 Protection key 12 Increasing key 13 Decreasing key 14 Choosing key 15 Exit key 16 Testing port ...

Страница 40: ...n Exceed breaking function Thermal recall fuction Four output contacts Optional auxiliary function Man machine interface instruction Four cascades protection Three cascades protection Four cascades protection 3P N model 3P N model LED display code switch and toggle switch setting LCD display LED indication keyboard operation stands for definite setting stands for optional setting stands for no fun...

Страница 41: ...ault interface System data setting menu Press or key to return default interface On other non fault interface press to skip to system data setting menu Without action for several minutes it return to the default interface Protection data setting menu Press or key to return default interface On other non fault interface press to skip to protection data setting menu Without action for several minute...

Страница 42: ... Over current protection characteristic The characteristic of intelligent controller 10000 5000 2000 1000 500 200 100 50 20 10 5 2 1 0 5 0 2 0 1 0 05 0 02 0 01 2 3 4 5 6 8 1 2 3 4 5 6 8 10 20 xIn 30 40 50 60 80 100 kA t a Isd 3 10 IR M type or 1 5 15 In H type IR 0 4 1 In tl 30 240 s M type 0 1s 70 Ii 3 15 In OFF M type or 1 20 In OFF H type 0 4s 0 2s 0 3s Air Circuit Breaker Alarm record Shift re...

Страница 43: ... 135 1 05IR 1 3IR 1 5IR M 2 0IR M 1 5IR H 6 0IR H 0 2 0 8 In OFF min 100A 0 2 1 0 In OFF min 100A min 100A Ig 0 2 0 8 In M type 0 05 0 06 0 08 0 1 0 2 0 3 0 4 0 5 0 6 0 8 1 2 3 4 5 6 8 Long time delay overcurrent protection inverse time characteristic Setting current IR Error Current Tripping time s time error Short time delay overcurrent protection characteristic Error Error Instantaneous charact...

Страница 44: ...ent transformer Intelligent controller N Transformer Current transformer Intelligent controller N Transformer Current transformer Intelligent controller PE N In In 10 Transformer Current transformer Intelligent controller Load monitor characteristic Air Circuit Breaker ...

Страница 45: ...ult The controller adopts highly integrated and high performance digital signal processor that featuring power functions and reliable performance to perform real time processing to the signal so as to achieve various protection function and numerous auxiliary functions IL IS II I t t IG I Selectivity protection Earth fault protection Appearance and panel illustration Reset button Rated current Amm...

Страница 46: ...the faster the up or down speed is Failure inquiry operation Query operation method Step 1 Make sure the controller is under reset status Step 2 Press fault display key till the ammeter display window indicates the failure action value and the action time alternately Press select to inquiry relevant parameters Step 3 Press reset key to exit the inquiry status Test operation method Step 1 Make sure...

Страница 47: ... protection 10 1 05Ir1 1 30Ir1 1 51Ir1 setting time 2 0Ir1 0 4 1 In Current Ratings Range lr1 Error Current Action Time Time Error 2h Non trip 1h trip 15 8 4 30 16 9 60 33 7 120 67 5 10 10 240 135 480 270 100 or 50 Applicable to 3P N or 4P Phase N Overload and Over Current Characteristic 10 0 9Ir2 1 10Ir2 Time setting ts Returnable Time Current Ratings Range lr2 Error Current Action Time Time Erro...

Страница 48: ...6300A the instantaneous protection setting is 1 0 ln 75 KA OFF the special order can achieve 100kA OFF f Earth fault protection The earth fault protection has definite time delay characteristic with the failure delayed time no less than the definite time delay time setting Earth fault Protection Characteristic Curve 1000 500 100 50 20 10 5 2 1 0 5 0 2 0 1 0 05 0 02 0 01 t s 05 06 08 1 2 3 4 5 6 8 ...

Страница 49: ...N Intelligent Controller 3P N T type L1 L2 L3 CT N Intelligent Controller 43 0 I t 0 I t Earth fault residual current protection Selective protection 14 2 2 The communication H type intelligent controller As the core part of the NA1 Air Circuit Breaker the H type intelligent controller could protect the electric circuit from overload short circuit single phase earthing fault and residual current e...

Страница 50: ...a I Ir 4 poles product stand for N phase For voltage display it could indicate phase voltage They stand for unbalanced ratio of current at phase A B and C separately They stand for phase A B C and phase N They stand for rectified current value of load monitor 1 and load monitor 2 separately Signal Meaning 44 Air Circuit Breaker b Operational power supply Operational power supply of intelligent con...

Страница 51: ...lit constantly and display window of current meter displays fault acting value and delay time alternately Press or button to inquiry relevant parameters Step 3 Press RETURN button it will enter the status of displaying fault acting value and delay time alternately again Step 4 Press RETURN button till SEARCH lamp is turned off it will exit from inquiry status Test operation Step1 Confirm controlle...

Страница 52: ...00 1000 500 200 100 50 20 10 5 2 1 0 5 0 2 0 1 0 05 0 02 0 01 0 3 0 4 0 5 0 6 0 8 1 2 3 4 5 6 8 10 20 t s Xin1 Express inverse time 1 Ordinary use Express inverse time 2 Motor protection Express inverse time Standard inverse time High voltage fuse compatibility 46 ...

Страница 53: ...ous protection is 1 01n 100kA OFF i Earth fault or residual current protective property t TG KG If I Ir1 Acting property Setting current Property curve Curve speed Precision Inverse time s Corresponding 2Ir1 Electrical machine protection Thermal memory 30min could be eliminated while power off Standard OFF 100 or 50 Applicable to 3P N or 4P products N phase overload and over current property Note ...

Страница 54: ... 4 5 6 8 1 2 3 4 5 6 8 10 20 xIn Tr2 1 4 tL Tr1 1 2 tL t1 15 480 S Ic2 0 2 1 In Ic1 0 2 1 In Ir1 0 4 1 In load type method 1 property curve 10000 5000 2000 1000 500 200 100 50 20 10 5 2 1 0 5 0 2 0 05 0 02 0 01 t a 0 010 02 0 03 1 2 3 4 5 6 8 1 2 3 4 5 6 8 10 20 30 xIn tr2 1 4tL Ic2 0 2 1 In Ic1 0 2 1 In Ir1 0 4 1 In tr2 60s tr1 1 2tL t1 15 480 S 48 Earth fault protection Inverse time s Correspond...

Страница 55: ...2 1 0 In OFF OFF means exit position 1 05Ic1 without action 1 21c1 delay relay action The same as overload long delay Could be set separately Setting content is the same as that of overload long delay 0 2 1 0 In OFF OFF means exit position 1 05Ic2 without action 1 21c2 delayed relay The same as overload long delay Could be set separately Setting content is the same as that of overload long delay R...

Страница 56: ...eaker does not trip when power voltage recovers and exceeds 85 Ue e Characteristic Close the circuit breaker before operation the circuit breaker NA1 1000 AC230 400 NA1 2000 3200 4000 6300 AC400 230 127 DC220 110 0 35 0 7 Us 0 85 1 1 Us 0 35Us 20VA 48VA Action voltage V Reliable making voltage V Reliable non making voltage V Power loss W 50 Type Rated control power voltage Us V NA1 1000 AC230 400 ...

Страница 57: ...haracteristic No more than 3 times per minute 15 5 Auxiliary contact Standard model 6N O normal open and 6N C normal close Characteristic conventional free air thermal current Ith A Rated control capacity 6 300VA 6 300VA 6 60W 15 6 Doorcase Installed on the door of the distribution cubicle for sealing the distribution cubicle and making the protection class to IP40 fixed type and drawout type 51 T...

Страница 58: ...8 Off position locking mechanism When the circuit breaker is disconnected padlock can be used to lock it after pulling out the lock lever then the circuit breaker can t be Test or connected position Padlock is prepared by users 15 9 Key lock Lock the circuit breaker on the OFF position then the circuit breaker can t be closed Locks and keys will be provided by us Separate lock and key is matched w...

Страница 59: ... one breaker with another two different state breakers 2m max 1QF 2QF 1QF 2QF 0 0 0 1 1 0 Circuit diagram Available running manner Notes a when the steel cable needs to be bent enough transition arc should be reserved to guarantee flexible movement of steel cable b check the steel cable and make sure there is enough lubricant in the steel cable to guarantee flexible movement of steel cable 1QF 2QF...

Страница 60: ...rent setting value with the actual protection 4 Press the reset button to reclose the breaker 1 Check the power is on or not 2 Check the power voltage of under voltage release it shouldn t be less than 85 Ue 3 Replace the control unit of under voltage release Check the working state of two circuit breakers fixed with mechanical interlock Tripping of circuit breaker Reasons analysis Over load tripp...

Страница 61: ...aker body not match with the frame size rated current of drawer base 1 Check and clean the drawer base or contact with manufacturer 2 Match the body with relevant drawer base No display on intelligent release panel 1 Release isn t connected with power 2 There is fault with release 1 Check the power is connected or not 2 Cut off the power then connect again Otherwise contact with manufacturer Closi...

Страница 62: ...ng Long time delay protection IR Ir1 Short circuit short time delay protection Isd Ir2 Short circuit instantaneous protection Ii Ir3 Earthing protection Ig Current setting Time setting IR 1In 30s Isd 8In definite time 0 4s Ii 12In Ig 0 4In OFF In 0 4 1In s 30 60 120 240 In 3 10In s 0 2 0 4 In 2 4 6 8 10 12 15OFF In 0 2 0 8In Min 100A s 0 2 0 4 0 6 0 8 Exceed skipping function Self diagnose alarm F...

Страница 63: ...s Conventional setting before delivery 12In Available set scope of Ir4 earthing protection current 0 2 0 8 In Available set scope of operating time of earthing protection 0 1 0 4s Conventional setting before ex factory 0 5 In OFF Power supply of controller Intelligent controller Note 1 Please mark or fill figure in the relative if no mark we will provide according to conventional factory settings ...

Страница 64: ...relevant information on ordering 2008007EN0712 Dec 2007 TEL 86 577 62777777 62877777 FAX 86 577 62775769 62871811 ADD CHINT High tech Industrial Zone North Baixiang Wenzhou Zhejiang Province P R China 325603 E MAIL global sales chint com Website www chint com Zhejiang CHINT Electrics Co Ltd CHINT Group All Rights Reserved ...

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