The heavy duty solenoid systems have service-free bearings. They are available in cylindrical and square formats and with reversing functionality. The quality is compliant with the ISO TS 16949, ISO 9001 and ISO 14001 specifications. Quality assurance conforms to the SPICE regulations of the automotive industry. The solenoid systems are designed for 24 V DC and 100 percent ED. Some models have a return spring. Their accessories are of the type of plug-in socket Z 801 and Z 811. Their insulation meets the VDE 0110 C 300 norms. The weight of the complete solenoid is about 285 g.