277/480V 3-Phase Wye, Surge Panel with Replaceable Surge Modules: 2277 (3) & 8320-GN (1), NEMA 12 Enclosure, UL 1449 4th Edition Compliant

277/480V 3-Phase Wye Surge Panel with Replaceable Surge Modules by Leviton This Leviton surge protective device (SPD) is designed for industrial and commercial electrical distribution systems, providing robust surge protection for 277/480V 3-phase Wye power configurations. It is intended for installation in main distribution or branch circuit panels to safeguard sensitive electrical and electronic equipment from transient voltage surges and spikes. The panel features replaceable surge modules for ease of maintenance and is housed in a durable NEMA 12 enclosure suitable for indoor environments. It is UL 1449 4th Edition compliant, ensuring adherence to recognized safety and performance standards. This product is ideal for electrical distributors and switchgear suppliers seeking reliable surge protection solutions within wire and cable or lighting solutions applications. Specifications Voltage: 277/480V 3-Phase Wye Frequency: 50/60 hertz Number of Poles: 4 Connection Type: Feed-Through Dual Wire Terminal Block Enclosure Type: NEMA 12 Operating Temperature: -20 to 40 degrees Celsius Flammability Class: Rated V-2 per UL 94 Manufacturer: Leviton Manufacturer Part Number: 52277-M3 Product Weight: 25 lbs UPC: 078477851715 Features UL 1449 4th Edition compliant surge protective device Replaceable plug-in surge modules for simplified maintenance Hybrid component suppression design Protection on all phases including common mode (neutral to ground) for WYE systems Diagnostic monitoring with visual LED indicators and audible alarms for each phase module Audible and visual failure indicators with remote monitoring capability via dry contacts Powder coated steel enclosure providing resistance to dust, dirt, and light splashing water Feed-through dual wire terminal block accepts up to #3 AWG wire Limited lifetime product warranty with replaceable module coverage Downloads & Links Product Brochure Instruction Sheet Panel Mount Instructions