+7 (812) 645-08-06
Type 1 surge arrester / for telecom applications - 250 - 750 kA | Liebert 570 series
The 500 series surge protective device from Emerson is a leading brand series of high-performance devices that are UL 1449 3rd edition-type 1 listed. Manufactured with metal oxide varistor (MOV) or fuse arrays, this series of surge protective devices offers a wide range of protective solutions for machines and systems, and provides redundancy and survivability to repetitive impulses.The type 570 devices are hybrid, combining superior properties of two different modules such as the quick response time of silicon avalanche diode modules with the high-energy capability of MOV modules. They have surge current ratings up to 375kA per mode or 750kA per phase.