Signet Group PLC

Signet is the world’s largest speciality retail jeweller by sales, with stores in the US, UK, Republic of Ireland and Channel Islands. It owns both H. Samual and Earnest Jones.

This installation in Borehamwood was to replace an existing UPS in comm’s room. We supplied:

  • Single 20kVA AMM (Multi-Module) UPS
  • No generator on site therefore a long battery back-up was required. However, the space available for the new UPS and batteries was extremely small
  • 12 year design life front access sealed lead acid batteries used to provide 6 hours autonomy at full load. The batteries were housed in a cladded battery stand with a footprint of only 1150x750mm.

Although the battery enclosure weight was 2,650Kgs leg extensions were fitted to the stand