CHINT NQ2 Series User Instruction

Installation 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 op ...

NQ2 series electromagnetic starter (hereinafter referred to as starter) is mainly used in electric circuits with AC frequency of 50Hz (or 60Hz), rated operating voltage up to 660V and rated operating current up to 68A for controlling the direct start and stop of electric motor. Starter with thermal overload relay (h ...

02 AC-3 660V 380V 220V Model Conventional free air thermal current of shell frame, Ith (A) Rated operating current of shell frame, Ie (A) Rated power control of shell frame, Pe (kW) AC contactor model assembed Thermal relay model assembled Setting current range of thermal relay (A) Button type of starter with button 23~32 ...

3 Installation 1) See Fig. 1-Fig. 4 and Table 4 for the outline and installation size of the starter. Table 4 Outline and Installation Size Model Maximum outline size (A×B×C) NQ2-15 NQ2-15N NQ2-15NB NQ2-15P NQ2-33 NQ2-33P Unit: mm n×Φ Reference picture Installation size (D×E) 116×207×127 60×150 176×207×127 13 ...

04 2) Inspection of operating flexibility of the thermal relay inside the starter Open the cover of the thermal relay. Press the blue Reset button using a small screwdriver and rotate it 90° clockwise so that the relay is in the Automatic Reset status (Letter A on the Reset button is in vertical alignment with the referenc ...

05 Figure 8 Control circuit voltage same as main circuit voltage (single-phase) Figure 9 Control circuit voltage different from main circuit voltage (single-phase) 4) Starter installation procedure and method See Fig. 10 for starter installation instructions. Cover Base Grounding screws Connecting screws 1 4 2 1.Unscrew con ...

06 Table 5 Cross-sectional area of connecting wires of the main circuit 0 I≤8 8 I≤12 12 I≤20 20 I≤25 25 I≤32 32 I≤50 50 I≤65 65 I≤85 85 I≤100 ＜ ＜ ＜ ＜ ＜ ＜ ＜ ＜ ＜ Rated operating current of motor, I (A) Cross-sectional area of connecting wires of main circuit (mm²) 1 1.5 2.5 4 6 10 16 25 35 ...

ZHEJIANG CHINT ELECTRICS CO., LTD. NQ2 Series Electromagnetic Starter IEC/EN 60947-4-1 Check 18 07 NQ2 Series Electromagnetic Starter 5 Environmental Protection In order to protect the environment, the product or product parts should be disposed of according to the industrial waste treatment process, or be sent to th ...

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