Astrodyne TDI Introduces New PDU1109 Power Distribution Unit | APC

Astrodyne TDI introduces innovative PDU1109 series modular power distribution cabinets

The new, scalable PDUs feature isolation transformers to ensure stable and clean power supplies.Introducing an innovative modular power distribution with Isolation transformer to ensure stable and clean power supplies.

Astrodyne TDI, a global developer and manufacturer of power conversion and EMI/EMC solutions, proudly introduces its latest innovation, the state-of-the-art PDU1109 series modular and scalable power distribution unit.


Designed to meet the most stringent requirements, including IEC60601 and SEMI S22 standards, this cabinet style PDU offers unmatched flexibility. With three power ranges available - 20KVA, 50KVA, and 100KVA - this PDU platform is a game-changer in the industry.


Equipped with essential features such as EMO, EMI filtering, voltage surge protection, and overcurrent protection, it guarantees the utmost safety and reliability.

PDU1109 PDU Cabinet with isolation transformer

  • IEC60601 and SEMI S22
  • Cabinet Style Modular Design
  • On/Off Switch
  • Input EMI/EMC Filter
  • Emergency Off (EMO)
  • Necessary Circuit Protections

One of the standout features of the scalable PDU cabinet is its isolation transformer. This PDU effectively minimises transients and harmonics by incorporating an AC input connected to a multitap isolation transformer, ensuring a stable and clean power supply.


Moreover, the universal input capability of this PDU allows it to work seamlessly with various global electrical utilities. The multitap primary, connected through a terminal block, enables easy and hassle-free installation. The outputs are conveniently provided through terminal blocks, NEMA sockets, and IEC receptacles.

Benefits of the PDU1109:

  • Commercial off the shelf system
  • Low impedance isolation transformer
  • Eight different standard configurations
  • Rugged certification standards. Meets multiple safety and regulatory compliance requirements
  • Single point power and ground system to help prevent power spikes and protect sensitive electronic equipment.
  • One cabinet solution eliminating need for separate protections, isolation, and power distribution systems.
  • Manufactured with long life components

This PDU1109 series boasts an impressive range of features and compliances, including IEC/UL/CSA 60601-1, IEC/UL/CSA 61010-1, SEMI S22,  CISPR 11 and, CISPR 22 Conducted and Radiated Emissions as well as Surge Immunity and IEC61000-4-5 Level 3. Operating at an AC frequency of 50Hz - 60Hz (+/-3Hz), the PDU1109 offers a power factor greater than 90%. Depending on the power level, the input current ranges from 50A to 160A, with over-current protection provided via a Circuit Breaker (CB). With a programmable input circuit breaker, the PDU adapts to different requirements seamlessly.


Designed to perform in a wide range of environments, this PDU operates efficiently within an operating temperature range of 10°C to +40°C. It can withstand storage temperatures from - 20°C to +80°C, with both convection and forced air cooling options available. The PDU is also equipped with emergency machine-off (EMO) functionality, providing an added layer of safety. From medical systems to industrial electronics to semiconductor fabrication, this PDU caters to a wide range of industries.

Contact an expert to find out more

APC's team of experts work closely with Astrodyne's own team of engineers to offer technical and design-in support to customers. For more information about the new PDU series, EMI/EMC solutions, or any power supply or EMI filter available from Astrodyne, contact our team today.

Keysight TechnologiesKeysight Technologies

Astrodyne TDI designs and manufactures innovative power solutions for demanding applications worldwide. The company’s products include power supplies and EMI filters for industrial, semiconductor manufacturing, medical, consumer appliance, military, and aerospace markets.

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