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 relays are phase-failure protection, temperature compensation, ON/OFF indication and manual/automatic reset.The relays comply with IEC60947-4-1.

● Specification