PSI63C0.620-L1 Rexroth Welding Inverter

The Bosch Rexroth PSI63C0.620-L1 is a medium-frequency welding inverter designed for industrial resistance welding applications. It converts 400–480 VAC three-phase input into a controlled medium-frequency output (typically 1 kHz) to drive PSG series welding transformers, delivering precise, stable, and efficient welding current regulation.

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Description

Bosch Rexroth PSI63C0.620-L1 Technical Specifications
Brand: Bosch Rexroth (Indramat)
Model: PSI63C0.620-L1 (Part No. R911337042)
Product Name: Medium-Frequency Welding Inverter
Series: PSI 63C0 L1
Country of Origin: Germany
HS Code: 8504.40 (Electric static converters)

PSI63C0.620-L1

PSI63C0.620-L1

Dimensions (H × W × D): 330 mm × 330 mm × 470 mm
Weight: 18.5 kg
Input:
Voltage: 400–480 VAC, 3-phase, 50/60 Hz
Rated Current: 110 A
Mains Connection: Min. 35 mm² conductor cross-section
Output:
Frequency: 1 kHz (medium-frequency)
Control: PWM-based current regulation (for PSG transformers)
Welding Current Range: 6 kA–36 kA (secondary, with PSG transformer)

PSI63C0.620-L1

PSI63C0.620-L1

Environmental & Mechanical:
Protection Class: IP20
Operating Temperature: -25°C to +70°C (no condensation)
Mounting: Cabinet-mounted (min. 100 mm clearance top/bottom)
Cooling: Forced air cooling (integrated fan)
Diagnostic: Front-panel LED indicators for status/faults
Losses:
Standby Loss: 63 W
Max. Current Loss: 170 W

PSI63C0.620-L1

PSI63C0.620-L1

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