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UK Freephone:  0800 254 5655

International:  +44 (0)114 331 0655

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  2. Power Capacity (kVA) 16 - 20 kVA
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UK Free: 0800 254 5655
Int: +44 (0)114 331 0655


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Sentryum S3M

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Flexible Power Protection with Riello Sentryum S3M

The Riello Sentryum S3M is a transformerless online double-conversion UPS designed for critical IT systems, servers, and telecom networks. With a unity power factor (kVA = kW) and operating efficiency up to 96.6%, it ensures reliable performance while minimizing energy consumption.

Available in 10–20 kVA models, the S3M offers three cabinet sizes—Compact (CPT), Active (ACT), and Xtend (XTD)—to suit various space and runtime requirements. Features include a 5-inch color touchscreen display, LED status indicator, and advanced battery management for extended autonomy and optimized performance.

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