Rotary UPS 120kVA-40MVA

The UNIBLOCK is a key contributor in providing seamless power to your business systems and processes, providing independence from utility power and disturbances on the supply network. UNIBLOCK simply provides confidence in delivering business on schedule day after day, year after year. Every Piller rotary UPS at heart has the UNIBLOCK rotary machine. The UNIBLOCK is a system with millions of reliable field operation giving high efficiency and performance with minimum components.

UNIBLOCK UBT+ Rotary UPS from 500 kW up to 40 MW

The Piller UNIBLOCK UBT+ is a UPS system with state-of-the-art technology. The unique design with versatile options makes the UBT+ perfectly suited for existing or new installations.

The UBT+ is giving the highest efficiency and performance with minimum components and combines the benefits of all different power supply configurations for short term or long term bridging, with standby generation or with cogeneration. The UBT+ can be used in low and medium voltage applications, cooling can be by air or chilled water, ride through storage can be batteries or flywheel.

UNIBLOCK UBTD+ Rotary Diesel UPS from 500 kW up to 40 MW

Piller’s rotary Diesel UPS systems of the patented UNIBLOCK type represent the most efficient and reliable power supply combination for critical applications.

The design flexibility of the UBTD+ is unique for a UPS system, it can be used to address low and medium voltage applications, cooling can be by air or chilled water, critical and emergency supplies can be isolated or combined in a single distribution system. Diesel start delay can be varied from seconds to minutes and multiple engine designs can be accommodated.

UNIBLOCK™ UB-V Series Platform up to 3.2MW

Coming Soon.

UNIBLOCK™ UBT+ 2000 VRLA and lithium-ion ready

UNIBLOCK™ UBT+ 2000, the world’s largest single module battery-backed UPS, delivered VRLA and lithium-ion ready.

UNIBLOCK UBR - Hybrid Rotary UPS from 150 kVA up to 1300 kVA

 The UNIBLOCK by virtue of its low output impedance inherently delivers fault current of 14 times the nominal full load. Offering fault current delivery similar to the systems utility transformer, security is provided even when utility power is not available to the site.


The UNIBLOCK rotary UPS range is flexible in application – there are a number of options available to suits clients specific requirements.

UNIBLOCK™ UBR Containerised

As an alternative, the UNIBLOCK™ system is also available as a high-performance and economical container unit. All components necessary for operation are integrated and the system is immediately ready for operation after coupling to the AC supply system. This eliminates planning costs as well as the costs of integration into the building structure.

UNIBLOCK™ UBR Water Cooled Option

The UBR integrated cooling unit provides the UPS system with its own climate. The UPS can be operated in small rooms, in harsh environments or locations containing dust or aerosols. Each water cooled UNIBLOCK™ UBR can be equipped with its own rated cooler. This means that no expensive air-conditioning or ventilation measures are necessary where chilled water is readily available