The HT-D50-F is a holding solenoid that is constructed in a diameter of 50mm and operates in a nominal voltage of 24 Volts in direct current. It is capable of performing a permanent duty cycle of 100% ED and is generated through a power source measuring 11.0 W. This holding solenoid is installed with a counterplate that is 5.0mm thick and possesses a holding force of 750N. It is capable of being tested in a voltage capacity of 800 Volts.