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SPATZM300plus Medium Frequency Inverter Power Source

- ETHERNET- and PROFIBUS-DP-Interface -


This device is no longer manufactured. The information contained on this page is therefore not current.

Visit SPATZ+M300 instead.

The SPATZM300plus 1,000 Hz medium-frequency inverter power source must be used in combination with external medium-frequency transformers as a high-performance, cost-effective DC power supply within a welding current range of 2 kA to 20 kA.

Each welding operation is feedback controlled during the procedure. The control process takes place very quickly based on the 1,000 Hz inverter frequency. Actual values are compared with target values every 0.5 ms. The output power is adapted during the welding process if targets are not being met. Constant Current Control (CCC), Constant Power Control (CPC), Constant Voltage Control (CVC) and the adaptive MASTER mode can all be used. At the end of each weld, the SPATZM300plus checks if the actual welding parameters are keeping within the limits set.

The SPATZM300plus' timer and medium-frequency inverter are housed in a compact IP54-protected housing, which weighs a total of 30 kg / 66.1 lb. While the external medium-frequency transformer needs to be installed close to the welding site, the SPATZM300plus can be installed within the vicinity of the machine.

Online programming and analysis are the connecting links between production, quality control and process engineering. The SPATZM300plus features 3 options:

SPATZBG02: The handy operating device with graphical display meets the demand to be used under rough production conditions.

AutoSPATZAS-01: Further detailed information is available for the maintenance via notebook and the RS232-interface.

AutoSPATZAS-32: Integration and crosslinking of welding systems with a line PC by Ethernet with full online functionality.

The SPATZM300plus medium-frequency inverter is deliverable for the mains input voltages from 3~400 V to 500 V.

Technical Data  
Type SPATZM300plus
No. of programs 63
Welding impulses / program 16
Control modes CCC, CPC, CVC
Weld parameter monitoring yes
Stepper function for CCC, CPC, CVC
Force schedule yes
Slope up / slope down yes
Signal inputs current, voltage, force, penetration
Output for proportional valve yes
Mains voltage U1 3~400 V - 500 V 50/60 Hz
max. power Smax 150 kVA with 400 V
Nominal power SN 90 kVA with 50 % duty cycle, 400 V
Output voltage U2N 500 V / 1,000 Hz
Output current I2max 300 A
Interfaces BG-02, RS-232, MASDAT
Digital inputs 13
Digital outputs 8
Cooling water 4 l/min at 20 °C
1.1 gal(US)/min at 68 °F
Type of protection IP54
Dimensions (H x W x D) 380 x 430 x 210 mm
15.0 x 16.9 x 8.3 in
Weight 30 kg / 66.1 lb
Color light grey / RAL7035
Included in delivery - Documentation
- SPATZBG-02 connecting cable 3 m / 118.1 in
- SPATZBG-02 connecting cable holder