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Deltrol Controls has introduced a new series of solenoids offering pulse width modulation (PWM). This series increases the force of a specific model by up to 300% in continuous duty applications.

The performance improvement is achieved with an integral add-on module that controls the current to the solenoid to provide high initial starting force. It then drops the current back after a predetermined time. Typically, solenoid applications require a high force at the start of the stroke yet produce the least amount of force at the start of the stroke. This can result in the requirement for a larger solenoid model. The PWM series improves the solenoid operating efficiency when applied in continuous duty applications.

The PWM series has cost effective applications 1) where an external solid-state control platform is not available to regulate current, 2) for space-confined applications, and 3) for many applications with a 2.5 – 25 lb. (40 - 400 ounce) force requirement.