Protect your valuable electrical equipment with this robust Type 1 surge protector designed for 120/240V split phase systems. Featuring advanced ITMOV technology, this unit offers impressive 50kA per phase protection against power surges and spikes. The compact 2.5 x 2.5 x 2.25 inch NEMA 4X waterproof enclosure ensures reliable operation even in challenging environments. With a nominal discharge current of 10kA and SCCR rating of 100kA, this surge protector is built for serious protection. The unit includes a convenient status indicator system - green light confirms proper operation while red indicates replacement is needed. Installation is straightforward, supporting both flexible liquid-tight conduit or direct electrical panel connection. Perfect for protecting sensitive equipment in residential, commercial, and industrial applications where exposure to moisture or weather is a concern.