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UK Freephone:  0800 254 5655

International:  +44 (0)114 331 0655

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Call us on:
UK Free: 0800 254 5655
Int: +44 (0)114 331 0655


Lines are open:
Monday - Friday, 9:00am - 5:00pm

Every UPS comes with a

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Maintenance Support Plan.

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Sentinel Dual SDU

The Sentinel Dual UPS by Riello features a versatile rack/tower format and online double-conversion power protection for critical servers, data storage systems, sensitive medical systems, industrial machinery, and emergency lighting systems. It is also possible to swap out the batteries without having to turn off the UPS or interrupt the load (Hot Swap), which ensures continuity of critical loads.

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