What stands out about this SICK relay is the smooth actuation and crisp response.
Mitsubishi TH-N20KP Series Thermal Overload Relay, Dual Setting .55-.85 Amp
The model RS-1M-S right on the datasheet, so checking compatibility is quick and straightforward.
A nice touch is the 500A rating, and you will find that it keeps things tidy in the enclosure.