Can we De-rate a Tesys D contactors AC-1 operation value at 70°C to get AC-6B operation?


29 September 2021

Yes, the AC-1 rating at 70°C of the contactor shall be divided by 1.5 (1.43 if we use the exact accurate ratio given in our catalog) to provide the rating in AC-6B.
To sum up, use the AC-1 rating (at the targeted temperature) divided by 1.5 to get the AC-6B rating.