CHINT NJBK6 Series User Instruction Download Page 10 | Manualshive

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QC PASS

Test date: Please see the packing

ZHEJIANG CHINT ELECTRICS CO.,LTD.

NJBK6 Series

Motor Protector

IEC/EN 60947-4-1

JDQ Check 10

09

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Summary of Contents for NJBK6 Series

Page 1: ...NO 2020 09 Standard IEC EN 60947 4 1 NJBK6 Series Motor Protector User Instruction ...

Page 2: ...s 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 The product shall be stored installed and used in accordance with the rated control power supply voltage and specified conditions indicated in the user instructions 1 2 3 4 5 Safety Warning ...

Page 3: ...not exceed 50 when maximum temperature is 40 in case of lower temperature higher RH is allowed Measures should be taken against occasional condensation due to temperature change Ⅲ 25 55 Table 2 Product Specifications and Main Technical Parameters Model Setting current A Current setting range A Motor power kW NJBK6 36 3 NJBK6 36 9 NJBK6 36 24 NJBK6 36 36 3 1 3 0 5 1 5 9 3 9 1 5 4 5 24 8 24 4 12 36 ...

Page 4: ...Rated control supply voltage Us V frequency Hz Allowable fluctuation range of rated control power supply voltage Rated impulse withstand voltage Uimp kV Rated conditional short circuit current kA CPD type SCPD model Contactor model CJX2 25 NC1 25 Enclosure protection class if applicable IP20 M3 0 5 Size of terminal tightening screw or nut Torque of terminal tightening screw N m Class 3 8h duty or ...

Page 5: ...1 Motion characteristic 2 1 1 See Table 5 for the motion characteristic of overload protection Table 5 Motion Characteristic of Overload Protection Setting current multiple 1 05 1 2 1 5 7 2 Cold Thermal Cold Starting condition Ambient air temperature 20 2 1 2 Motion characteristic of phase loss protection When any one of the three phase currents of the main circuit is open the protector motions fo...

Page 6: ... The blocking current set in the protector is 6Ie When the current of the main circuit is greater than the blocking current the protector motions for 3s with a delay and a relative error of 20 2 2 Reset characteristic i I avg I After the protector motions the protector s reset mode is manual reset when the rated control power supply voltage is normal the protector is immediately reset when the rat...

Page 7: ... FU1 W1 V1 U1 QS FU2 W2 V2 U2 W3 V3 U3 W4 V4 U4 QF1 KM KM STP ST QF1 KM 95 96 A1 A2 M 3 Figure 2 Wiring Diagram of the Protector with the Control Power Supply Voltage of AC220V AC240V 05 3 2 Wiring diagram See Fig 2 Fig 3 Figure 3 Wiring Diagram of the Protector with the Control Power Supply Voltage of AC380V ...

Page 8: ... of phase testing The testing should be performed by professional technicians to ensure the safety of electricity use 2 The setting error of the protector shall not be greater than 5 When the current of the main circuit is within this range the overload indicator may be on 3 If the motor stops during its operation the motor should be checked for loss of phase or overload First check whether the te...

Page 9: ...e environment the product or product parts should be disposed of according to the industrial waste treatment process or be sent to the recycling station for assortment dismantling and recycling according to local regulations 4 1 The terminal of the protector should be tightened on a regular basis 4 2 Avoid squeezing the product the product should be stored in a well ventilated place Connect wires ...

Page 10: ...QC PASS Test date Please see the packing ZHEJIANG CHINT ELECTRICS CO LTD NJBK6 Series Motor Protector IEC EN 60947 4 1 JDQ Check 10 09 ...

Page 11: ...s Motor Protector 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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