Robertshaw Mersen STXR480Y05A 3 Phase Surge-Trap Surge Protector

The Mersen STXR480Y05A is a 277/480V AC, 50/60 Hz, 3 Phase WYE Surge Protector with audible alarm and remote dry contacts and is 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 Optional audible alarm and remote dry contacts