CHINT NRE8 Series User Instruction Download | Manualshive

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QC PASS

Test date: Please see the packing

ZHEJIANG CHINT ELECTRICS CO.,LTD.

NRE8 Series

Electronic Overload Relay

IEC/EN 60947-4-1

Check 24

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Summary of Contents for NRE8 Series

Page 1: ...NO 2020 04 Standard IEC EN 60947 4 1 NRE8 Series Electronic Overload Relay User Instruction ...

Page 2: ...llation in any damp condensed phase environment with inflammable and explosive gas is forbidden When the product is being installed or maintained the power must be switched off You are prohibited from touching the conductive part when the product is operating 1 2 3 4 Safety Warning ...

Page 3: ...ditions and technical parameters of main circuit Environmental conditions Ambient temp Hot and humid atmospheric conditions 5 40 average temperature should not exceed 35 within 24h Relative humidity should not exceed 50 at 40 up to 90 at 20 Pollution class installation category Altitude No influence below 2000m Class 3 Ⅲ Technical parameters of main circuit No 1 2 3 4 5 6 7 8 Model Frame size rate...

Page 4: ... 10 7 12 10 20 19 38 2 4 4 8 5 10 10 20 20 40 30 65 50 100 32 1 2 2 4 4 8 10 12 20 38 4 8 10 20 40 65 100 80 4 6 10 16 20 25 40 80 10 16 20 40 80 160 200 NRE8 25 38 NRE8 38 40 NRE8 40 100 NRE8 100 Table 2 Technical parameters of auxiliary circuit AC 15 DC 13 230 2 5 400 1 5 220 0 2 5 Rated operating voltage V Rated operating current A Conventional thermal current A Application category ...

Page 5: ...90 AC400 50 60Hz 6kV IP20 No Parameters 1 2 3 4 5 6 Rated duty system specify intermittent duty level if any 8 hour duty system or uninterrupted duty system Item Electrostatic discharge tolerance Radio frequency electromagnetic field tolerance Fast transient tolerance Surge tolerance Table 4 Anti interference parameters Level 8kV air discharge 10 Test electric field intensity 10 V M 10 To control ...

Page 6: ...04 1 Cold state 2 Thermal state 1 2 4 6 8 10 I Ie 1 2 4 6 8 10 20 40 60 80 100 200 400 600 800 1000 t s 2 1 Figure 1 Relay time current characteristic curve ...

Page 7: ...e 3 Overall and installation dimensions of NRE8 25 F with mounting bracket Unit mm 66 45max 35 5 91max 83 35 1 L1 3 L2 NRE8 25 28 32 24 22 40 36 95 NC 96 97 NO 98 4 T2 6 T2 Stop Test Reset 81 5max 61 5 77 4max 46max 26 3 27 6 20 2 T1 4 T2 6 T3 NRE8 25 28 32 24 22 40 36 95 NC 96 97 NO 98 Stop Test Reset ...

Page 8: ...s of NRE8 38 Unit mm Figure 5 Overall and installation dimensions of NRE8 40 93max 70 85max NRE8 40 28 32 24 22 40 36 95 NC 96 97 NO 98 Stop Test Reset 4 2 T1 T2 6 T3 55max 17 2 0 17 81 5max 14 5 0 5 14 5 0 5 12 2 0 2 46max 47 3 0 3 71 5max Unit mm ...

Page 9: ... Figure 7 Overall and installation dimensions of NRE8 100 3 104max 35 94max 45 55max 77 NRE8 40 T1 4 T2 T3 6 28 32 24 22 40 36 95 NC 96 97 NO 98 L1 1 L2 Stop Test Reset Unit mm 20 23 5 20 23 5 22 8 27 1 101max 74 6 NRE8 100 2 T1 4 T2 6 T3 70 80 90 100 50 60 95 NC 96 97 NO 98 Stop Test Reset ...

Page 10: ...inals 08 72max 61 5 105 35 5 118max 2 mm 2 mm 2 mm 2 mm 2 mm 2 mm M3 5 1 2 N m M4 1 7 N m M5 2 5 N m M10 10 N m NRE8 Series 0 75 2 5 NRE8 25 NRE8 38 1 10 NRE8 40 4 10 NRE8 100 6 35 A 3 5mm L 8mm A L A 3mm L 10mm A L A 5mm L 12mm A L 4 10 4 10 4 10 6 35 1 10 1 10 1 10 1 10 1 10 0 75 2 5 0 75 2 5 0 75 2 5 0 75 2 5 0 75 2 5 ...

Page 11: ...function 96 98 95 97 98 96 97 95 96 95 Indicator status Circuit working status Normal Overload delay Phase failure delay Green light flashing red light off Green light flashing red light on Green light on red light flashing T est funcion Continuously adjustable current range Emergency stop function ...

Page 12: ... protection capability of the electronic overload relay according to commissioning requirements See Figure 12 Please be careful when handling and installing the thermal relay It is prohibited to move the product by crane with strong impact so that the product will not be damaged and its protection characteristics will not change Figure 12 Maintenance diagram of relay panel T est the mechanism on a...

Page 13: ...nt value is smaller than the actual operating current of the motor Fine tune the cam clockwise so that the set current matches the actual motor current Check installation status and conduct troubleshooting Do not place the product in environment with strong shock or vibration Strong shock or vibration The size is too big Change to product with smaller size The set current value is bigger than the ...

Page 14: ...QC PASS Test date Please see the packing ZHEJIANG CHINT ELECTRICS CO LTD NRE8 Series Electronic Overload Relay IEC EN 60947 4 1 Check 24 13 ...

Page 15: ...tronic Overload Relay User Instruction Zhejiang Chint Electrics Co Ltd Add No 1 CHINT Road CHINT Industrial Zone North Baixiang Yueqing Zhejiang 325603 P R China E mail global sales chint com Website http en chint com ...

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