Advertisement
Quick Links
Advertisement
Related Manuals for CHINT NC8 Series
Summary of Contents for CHINT NC8 Series
- Page 1 NO:2020.04 NC8-115~500 AC Contactor User Instruction Standard:IEC/EN 60947-4-1...
- Page 2 Safety Warning Only professional technicians are allowed for installation and maintenance. 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 operating.
- Page 3 Use Purpose and Range of Application NC8 series AC contactor is mainly used in AC 50Hz (or 60Hz) circuits with rated operating voltage up to 690V. It can be used to frequently start and control motor or remotely connect and disconnect circuit under 400V(380V)AC-3 application category.
- Page 4 Table 2 (continued) Model NC8-115 NC8-150 NC8-170 NC8-205 NC8-265 NC8-300 NC8-400 NC8-500 380V/ Controllable 400V 3-phase motor power AC-3 660V/ (kW) 690V AC-3 Electrical life 400V (10 times) AC-4 Mechanical life (10 times) Rated current of matching fuse (A) Pick-up 600~700 (NC8-115/ 300~600 500~800...
- Page 5 Installation See the figure below for accessory installaton and contactor operating principle. F4 F5 NCF1 ① ② ① NCF1 NCF1-11C (/B) Assembly NCF1-11C (/B) Disassembly ① ② ① ② ① Figure 1 Accessory installaton...
- Page 6 1/L1 3/L2 5/L3 2/T1 4/T2 6/T3 NC8-115 500 Figure 2 Contactor operating principle NC8-115/N 500/N Figure 3 Contactor operating principle Figure 4 Product installation drawing...
- Page 7 See Table 3 for overall and installation dimensions of the contactor ∅ Cmax Dmax(F4)/Emax(F5) Amax Figure 5 NC8-115 170 Dimensions Cmax Amax Dmax(F4)/Emax(F5) Figure 6 NC8-115/N 170/N Dimensions...
- Page 8 Dmax(F4)/Emax(F5) Amax Cmax Figure 7 NC8-205 500 Dimensions Amax Dmax(F4)/Emax(F5) Cmax Figure 8 NC8-205/N 500/N Dimensions Table 3 Overall and installation dimensions Unit: mm φ Contactor model Amax Bmax Cmax Dmax Emax NC8-115~170 190.5 210.5 96~110 130±0.8 NC8-205~300 NC8-400~500 NC8-115/N~170/N 190.5 210.5 235.4±1.2...
- Page 9 Maintenance See Table 4 for wiring capacity of terminals. Table 4 Wiring capacity of terminals Check if the contactor can operate reliably every month. Method: Check if the contactor inclines 5° forward upon pick-up and inclines 5° backward upon release. Conduct maintenance every month.
- Page 10 Table 5 Analysis and Troubleshooting of Faults Symptons Cause analysis Troubleshooting method Inconsistency between control Use control power supply that power voltage and coil voltage. complies with coil voltage. The product does not Insufficient operation circuit operation or Check the circuit to ensure correct power capacity or disconnection does not or wrong connection exists in...
- Page 11 QC PASS NC8-115~500 AC Contactor IEC/EN 60947-4-1 Check 07 Test date: Please see the packing ZHEJIANG CHINT ELECTRICS CO., LTD.
- Page 12 NC8-115~500 AC Contactor 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...
Need help?
Do you have a question about the NC8 Series and is the answer not in the manual?
Questions and answers