Coils normally on the rectangular / cylindrical heavy duty formers are moulded with epoxy. EM clutches, has got coils with very thin cross-section that having large diameters.

Imported contactors need moulded coils with critically designed formers.

Click for coils can manufacture any such complex coil as per the your diagram / Sample... Quickly.

Coils for Cold Storage / Refrigeration Plant

Cold storage / refrigeration plants use lots of direct acting or pilot operated gas solenoid valves / sensors.

Click for coils offer many types of moulded coils used in these plants. These are all continuous duty coils, which need high reliability.