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Siemens SIMOREG 6RA7078-6DS22-0

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6RA7078-6DS22-0

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The 6RA7078-6DS22-0 from Siemens is a master rectifier designed for single-quadrant drives. Operating on a 400 V, 3-phase AC input, it delivers an output voltage of 485 V DC for the armature and 325 V DC for the field.

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Technical specifications for 6RA7078-6DS22-0

ManufacturerSiemens
Product TypeDC Master Rectifier for single-quadrant drives
Product LineSIMOREG
Part Number6RA7078-6DS22-0
Weight35.00 lbs (15.88 kg)
Input Voltage400 V, 3-phase AC
Input Current233 A
Output Voltage (Armature)485 V DC
Output Current (Armature)280 A
Output Voltage (Field)325 V DC
Output Current (Field)15 A
Rated Output Power485 V DC, 216 A (US rating)
Rectifier ConfigurationB6C (3-phase bridge connection)
Control TypeMicroprocessor-based control
Cooling MethodAir-cooled
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The Siemens 6RA7078-6DS22-0 is a DC master rectifier for single-quadrant drive applications. It is configured for input voltages of 400 V from a 3-phase AC source, handling an input current of 233 A. The armature voltage output reaches 485 V DC, while it also offers a field voltage output of 325 V DC. With the ability to deliver a maximum armature current of 280 A and a field current of 15 A, this rectifier stands capable of meeting diverse operational demands.

Characterized by its B6C rectifier configuration, it uses a 3-phase bridge connection, ensuring stable and efficient performance. Microprocessor-based control enhances its operational accuracy and efficiency. Furthermore, the air-cooled design aids in maintaining optimal temperature levels during operation. This unit's physical dimensions are 50.00 cm long, 30.00 cm wide, and 30.00 cm high, contributing to its compact profile in industrial settings. Weighing 19.7 kg, it remains manageable for installation in various environments.