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450vac AC en60252 epcos motor run capacitor for electric motors installation

450vac AC en60252 epcos motor run capacitor for electric motors installation Before installation, the capacity should be allocated once to balance the phase, the deviation does not exceed 5% of the total capacity. 

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Description of this 450vac AC en60252 epcos motor run capacitor for electric motors installation

450vac ac en60252 epcos motor run capacitor for electric motors installation when installing power capacitors, it is best to use a separate cord to connect the busbars to each bus. do not use hard busbar connections to prevent damage to the capacitor casing due to assembly stress. and caused by oil spills. any bad contact in the motor running capacitos circuit may cause high-frequency oscillating arcs, which increase the working electric field strength of the capacitor and cause early damage due to heat generation. therefore, the motor running capacitors must be installed in good contact with the grounding part of the electrical circuit. when capacitors of lower voltage level are operated in series and operated in a higher voltage class network, the outer casing of each stage should be reliably insulated by adding measures such as insulators of the operating voltage level to the ground. after the star connection, when used for a higher rated voltage, and the neutral point is not grounded, the outer casing of the capacitor should be insulated from the ground.

450vac ac en60252 epcos motor run capacitor for electric motors installation before installation, the capacity should be allocated once to balance the phase, the deviation does not exceed 5% of the total capacity. when the relay protection device is installed, it should also meet the requirements of the operating current balancing current error not exceeding the relay protection operating current. running motor capacitors. the wiring of the individual compensation capacitors should be: for the induction motor that is directly started or started by the varistor, the capacitor for improving the power factor can be directly connected to the outlet terminal of the motor, and no switch device or fuse should be installed between the two; for induction motors starting with a star-delta starter, it is best to use three single-phase capacitors, each of which is directly connected in parallel to the two terminals of each phase winding so that the wiring of the capacitor is always consistent with the winding connection. the packet-compensated low-voltage capacitor should be connected to the outside of the low-voltage packet bus power switch to prevent self-excitation caused by the split bus switch. the centrally compensated low-voltage capacitor bank shall be specially designed and installed on the outside of the main switch of the line, not on the low-voltage bus.

Parameter of this 450vac AC en60252 epcos motor run capacitor for electric motors installation

Item
Technical Specification
Performance standard 
GB/T3667.1-2005/IEC60252-1:2001
Climate types
25/70/21
Insulation resistance
≥3000MΩ.μF(100Hz,20℃,1min)
Capacitance tolerance
 ±5%
Class of safety protection
P2/P1
Class of operation
Class B(10000h) Class C(3000h)
Voltage range
100~600VAC
Capacitance range
2~190μF
Dissipation factor
2×10-4(100Hz,20℃)
Test voltage terminalto case
(2Un+1000)VACor2000VAC-50Hz for 60 seconds

 

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