Solenoids with MA more than 9.5 Ncm have a return spring. By rectifying 230 V AC with a bridge rectifier an operational voltage of 205 V DC can be achieved. There are seven sizes to it and a nominal voltage of 24 V DC is offered. The current rating is 0.8 A and nominal resistance is 29.2 ohm. The initial torque received is 23.0Ncm while the end torque is 40.0 Ncm. Test voltage: 2500 V and Perm. duty cycle: 100 % ED. Its weight is 1400 g and Time constant is 13-60 ms.