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Siemens SIMOREG 6RA7088-6LV62

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6RA7088-6LV62

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The Siemens 6RA7088-6LV62 is a versatile 4-quadrant DC drive engineered for rigorous applications. It can handle armature input of 830 V AC with a significant current capacity up to 788 A.

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Technical specifications for 6RA7088-6LV62

ManufacturerSiemens
Product Type4-quadrant DC drive
Product LineSIMOREG
Part Number6RA7088-6LV62
Frequency45–65 Hz
Overload1.5× rated current
Stability±0.006 % / ±0.1 %
ProtectionIP00
Temperature Range0–45 °C
Armature Input Voltage830 V AC 3-phase
Armature Input Current788 A
Armature Output Voltage875 V DC
Armature Output Current950 A
US Output Current667 A at 875 V DC
Field Input Voltage460 V AC
Field Output Voltage375 V DC
Field Output Current30 A
TopologyB6A/B6C bridge
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Siemens' 6RA7088-6LV62 drive is a 4-quadrant DC drive that excels in offering precision control. It operates efficiently across a frequency spectrum of 45 to 65 Hz, thereby accommodating various industrial needs. Designed with an armature input voltage of 830 volts in a 3-phase configuration, it can accommodate substantial armature input current up to 788 amperes. This unit is capable of delivering an armature output voltage of 875 V DC, with a maximum output current of 950 A, making it highly effective for demanding applications.

The DC drive further includes a user supply (US) output of 667 A at 875 V DC, which is suitable for auxiliary equipment. Field operations relate to an input voltage of 460 V AC and a field output voltage of 375 V DC, supporting a field current of 30 A. Each of these specifications points to a design that supports robust performance in drive applications.

Noteworthy is the unit's topology, which is based on the B6A/B6C bridge configuration, allowing effective management of the actuator functions. This drive maintains stability within a range of ±0.006% to ±0.1%, thus delivering reliable control. With an overload capacity of 1.5 times the rated current, it enhances the drive's resilience during peak operational demands. However, it operates best between temperatures of 0 and 45 °C, reinforced by its IP00 enclosure classification suitable for controlled environments.