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An Uninterruptible Power Supply (UPS) for the power protection of corporate wide and large network applications.

Master MPS provides maximum protection for vital ‘mission-critical' networks, security applications (electro-medical) and industrial applications thanks to its outstanding mechanical and electrical design. The UPS has an extremely outstanding mechanical and electrical design: isolation transformer on the inverter, high short-circuit current and sinusoidal absorption with low THDi.

Master MPS is also available in industrial 220Vdc and 400Hz frequency converter formats. The latest development includes the Master HP series (100-250kVA) which has an IGBT-based rectifier. This provides an extremely low input harmonic distortion and a high input power factor.

Uninterruptible Power Supply Three Phase output power protection

The Master MPS 10-800kVA UPS series uses on-line technology (VFI) with an isolation transformer on the inverter output. The load is powered continuously by the inverter with a filtered, stabilised and regulated sinewave supply. The input and output EMI filters considerably increase the immunity of the load to mains disturbances and surges, even on bypass.

When the mains fails, the inverter which is constantly powering the load simply draws power from a battery (internal on some models) to provide complete protection. Protection from extended blackouts can be achieved using battery extension packs or a combination of battery extension packs and a generator.


  • Efficiency Control System (ECS)
  • Galvanic isolation
  • High overload capacity
  • LCD display
  • Extensive parallel configurations

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