Schmersal India Pvt. Ltd offers Thermoplastic Enclosure Solenoid Interlock. Schmersal India Pvt. Ltd is an ISO 9001 registered company. Thermoplastic Enclosure Solenoid Interlock operates in combination with control elements of a machine ensure that sliding, hinged and removable guarding devices, such as grids, hoods or doors, cannot be opened until hazardous conditions.