3-pole thermal overload relays,adjustable from 30-630A -Compensated adn differential. -with trip indicator -for use on A.C. supply -for direct or separate mounting of the contactor Specification: LR9-F5357 30-50A FOR F115..F185 LR9-F5363 48-80A FOR F115..F185 LR9-F5367 60-100A FOR F115..F185 LR9-F5369 90-150A FOR F115..F185 LR9-F5371 132-220A FOR F185& F400 LR9-F7375 200-330A FOR F225..F500 LR9-F7379 300-500A FOR F225..F500 LR9-F7381 380-630A FOR F400..F630&F800