Data center HH3/R1

Datacenter HH3/R1

Data center HH3/R1

Following the commissioning of its own data centers HH2/R1 in 2009 and HH2/R2 in 2016 (both Wendenstrasse 408), the data center HH3/R1 + R2 was opened at Wendenstrasse 251 in November 2019. Once again, this space is owned and leased by IPHH itself.

This location presents again the current state of modern and efficient technologies. The entire planning and coordination of the project was performed by IPHH.

The Air conditioning is provided by highly efficient open-air cooling through filters into the raised floor. In addition, all racks are set up in so-called cold aisles, thus ensuring optimum air conditioning of the servers. Targeted airflow eliminates heat spots, the servers work perfectly at an even temperature at any height. Redundant air conditioning systems regulate the temperature of the entire data centre.

The power supply also convinces with redundancy. Redundant transformers, redundant generators and redundant UPS systems supply the data centers with the right amount of energy. As continuous converters, the systems permanently generate their own sine wave and have no need to switch over when required. Small fluctuations in current therefore have no effect on the system.

Surge arresters in the main distribution boards protect the UPS systems from lightning strikes or overvoltages in the mains. Should there really be a fault in the 10 kV ring feed into IPHH's own transformer station, an emergency power generator automatically takes over - and the UPS systems with the connected batteries bridge the short time span between power failure and generator operation.

The supply of the entire data center, including operating rooms, workshops and warehouses, is thus always guaranteed.

HH3 is also a very secure Datacenter: security guards are onsite 24/7.

In addition to a VESDA - Very Early Smoke Detection (VdS approved) our data center is equipped with a n² fire extinguishing system. We also pay great attention to the use of non-flammable and low smoke/halogen-free materials. Smoke detectors on the ceiling as well as in the raised floor and the direct connection to the fire brigade of our fire alarm system ensure quick information at all important places.


We check this emergency plan once a month transparently for your systems.

Maintenance contracts for all safety and operationally relevant systems guarantee that we can respond to even the smallest malfunction around the clock.

You see: We are living safety.

Datacenter Factsheet HH3/R1 (PDF)

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