Star-Delta Type 2 coordination: The thermal overload relay should be placed in the Main power supply line before the splitting for star-delta connection.
Star-Delta Type 1 coordination: The thermal overload relay is placed in the Delta circuit.
For the Type 2 coordination the thermal overload relay selection is based on the Full load current rating and selection for type 1 coordination is based on Full load current / Sqrt 3 (FLC/1.732).
The schemes published on the Catalog for Star-delta are for the Type 1 coordination only and there is no scheme available for Type 2 coordination in the catalog.
Please find in attachment scheme for the mounting position of OLR for Type 1 & 2 coordination with Star-delta starter.
Star-Delta Type 1 coordination: The thermal overload relay is placed in the Delta circuit.
For the Type 2 coordination the thermal overload relay selection is based on the Full load current rating and selection for type 1 coordination is based on Full load current / Sqrt 3 (FLC/1.732).
The schemes published on the Catalog for Star-delta are for the Type 1 coordination only and there is no scheme available for Type 2 coordination in the catalog.
Please find in attachment scheme for the mounting position of OLR for Type 1 & 2 coordination with Star-delta starter.
Released for: Schneider Electric Philippines
Need help?
Product Selector
Quickly and easily find the right products and accessories for your applications.
Get a Quote
Start your sales inquiry online and an expert will connect with you.
Where to buy?
Easily find the nearest Schneider Electric distributor in your location.
Help Center
Find support resources for all your needs, in one place.
