Robertshaw STXR480Y05 Mersen 3 Phase Surge-Trap Protective Device

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The Mersen STXR480Y05 is a 277/480V AC, 50/60 Hz, 3 Phase WYE Surge Protector and used for Commercial and Industrial applications and are recommended for replacement of obsolete surge arrestors. The Mersen Surge-Trap Series Surge Protection Devices (SPD) safeguards residential air conditioning (A/C) units including mini-splits, furnaces, and air handlers from costly voltage surge events, such as fluctuations in power often generated from inside a home or building, and from an outside source like lightening. Compact in size, the Surge-Trap Series provides Type 1 and Type 2 surge protection to help maintain safe, reliable A/C and furnace performance. The STXR models are flexible in both line or load installation applications for branch panel or individual equipment protection. Applications AC units / mini-splits / heat pumps Furnaces / air handlers Motors / ECM motors Controls boards / transformers / relays / sensors Refrigeration systems Features Designed with industry leading Mersen TPMOV technology Compact footprint designed to align easily with AC disconnect switches Easy to read LED status indicator; flashes Green to show SPD is On; or the LED will be Out indicating SPD should be replaced NEMA 4X non-metallic enclosure for outdoor or indoor use For use with ANSI/UL Type 1 or 2 SPD installations