TH-K/N Thermal Relay The thermal overload relays are suitable for overload protection of AC motor operated on 8-hours duty or uninterrupted duty. The overload protected AC motor with frequency 50Hz,voltage up to 660V,current up to 40A. Several functions provided by these relaus are phase-failure protection,temperature compensation,ON/OFF indication and manual/automatic reset.The relay comply with IEC292-1 standard.
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