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Overload relay, 3-pole, 17-24A, direct mounting on J7KN10-40, hand and auto reset J7TKN relays protect motors against thermal overload. They can be mounted on the contactor or separately. The relays comply with IEC 947 (single-phase sensitivity). Series of overload relays covering a setting range from 0.24A to 220A. All components are finger proof