Frequently Asked Questions

What is UL1778?

UL is a voluntary standard that is certified by the nonprofit testing organization of Underwriters Laboratories Inc. founded in 1894. However, it became the de-facto standard in the United States, and this organization conducts the certification test of an electric appliance.

UL 1778 applies to Uninterruptible Power System (UPS). The primary function of the UPS for this Standard is to ensure continuity of an alternating power source. The Uninterruptible Power System also serve to improve the quality of the power source by keeping it within specified characteristics. This Standard applies to movable, stationary, fixed, and built-in UPS for distribution systems up to 600 V a.c. This Standard is intended to reduce the risk of fire, electric shock, or injury to persons from installed equipment, both as a single unit or as a system of interconnected units, subject to installing, operating, and maintaining the equipment in the manner prescribed by the manufacturer.

Our SANUPS Uninterruptible Power Supply systems for North America market are all UL1778 certified.

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