RELIANCE SR3000 2SR40700 Power Unit Module in stock

RELIANCE SR3000 2SR40700 is a standard power unit assembly for the Reliance SR3000 series high voltage inverter system. It integrates IGBT power components, drive circuits, buffer absorption and sampling detection circuits to complete power rectification and inversion conversion.

Multiple power units can be connected in series to form a high-voltage output, which is used to drive high-power industrial motors. It is a core spare part for the renovation and maintenance of old Reliance high-voltage frequency conversion equipment.

Data Parameters

• 1. Brand: RELIANCE Electric.

• 2. Model: SR3000 2SR40700.

• 3. Product Type: High Voltage Inverter Power Unit Module.

• 4. Application: SR3000 series medium & high voltage variable frequency drive.

• 5. Feature: Built-in IGBT, snubber circuit, signal sampling and detection.

• 6. Characteristic: Modular series connection design, convenient for single unit replacement.

• 7. Cooling Mode: Air cooling inside power cabinet.

• 8. Package: Complete assembled power unit with wiring terminal.

• 9. Mounting: Installed in high voltage inverter cabinet.

• 10. Operating Temperature: 0℃ ~ +55℃.

Core Functions

• 1. Realize single-phase AC rectification and DC-AC inversion for high-voltage frequency conversion system.

• 2. Cooperate with other power units in series to output high voltage and drive large industrial motors.

• 3. Built-in sampling circuit to collect voltage and current signals for system protection.

• 4. Snubber absorption circuit suppresses voltage spike and protects internal IGBT devices.

• 5. Provide unit fault feedback signal to main control board for alarm and protection.

Application Scenarios

• 1. Metallurgy plant SR3000 high voltage inverter spare replacement and maintenance.

• 2. Water pump and fan high-power variable frequency drive system renovation project.

• 3. Power plant auxiliary equipment medium voltage frequency conversion cabinet spare backup.

• 4. Old Reliance SR3000 series inverter upgrade and parts renewal.

• 5. Mining heavy load motor high voltage speed regulation system spare inventory.

FAQ

• 1. Q: What is RELIANCE SR3000 2SR40700?
      A: It is the core power unit module of Reliance SR3000 high voltage inverter, used for power conversion.

• 2. Q: Can multiple 2SR40700 units work together?
      A: Yes, multiple units are connected in series to realize high voltage output for high-power motors.

• 3. Q: Can it be replaced live without power cut?
      A: Cut off the high voltage and control power completely before replacement to avoid electric shock risk.