Within the SV-S Series of drives, only the SV2500S can be powered from a 230V AC supply, although this can be derived from a single phase or three phase system. The SV4500S and SV8500S both require a 380 to 480V three phase supply. Supply connections to all types of drive are made to the top of the drive, but the SV2500S has a different connector layout from the higher power versions. The safety earth connection must be made to minimise the risk of electric shock caused by drive leakage currents (10mA max.).
Wiring Guidelines
Proper grounding of electrical equipment is essential to ensure the safety of personnel. In general, all components and enclosures must be connected to earth ground to provide a low impedance path for ground fault or noise-induced currents. All earth ground connections must be continuous and permanent. A central earth busbar is recommended. SV2500S Power Connections (X2) The drive uses Phoenix square pin connectors and cable mounting screw terminal mating halves are supplied with the drive. Power is supplied via the 4-way connector shown in Figure 3-5, shown wired for a single phase 230V AC supply.
SV4500S and SV8500S Power & Dump Connections
Both drive types are designed to be powered from three phase supplies of 380V to 480V, when generating an internal +24V supply. When an external +24V supply is used the drive can be operated from a three phase supply between 90V and 480V. The direct wire, 3- phase power connections (L1, L2, L3) are located on the top of the drive and are shown in Figure 3-7. The connector is designed to accept wire tails in the individual screw terminals. The same terminal block is shared with internal and external dump resistor connections.The SV2500S drive has no internal ballast or power dump resistor. If an application requires one to be fitted the connections are made to the X4 connector mounted on the top of the drive
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