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The thermal overload relays are suitable for overload protection of AC motor operated on 8-hours duty or uninterrupted duty.
The overload protecting AC motor with frequency 50Hz, voltage up to 660V, current up to 40A.
Serval functions provided by these relays are phase-failure protection, temperature compensation, ON/OFF indication and manual/automatic reset. The relays comply with IEC60947-4 standard.





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