Keeping a low 2” deep profile, the model DSP30-24/277A DIN rail-mount power supply operates off a wide range of ac input voltages from a nominal 100 to 277 Vac. Rated at 30W, it provides a 24-Vdc output at 1.25A and is adjustable from 24 to 28 Vdc. Output voltage is adjusted via a front panel potentiometer plus front mounted LED indicators give an immediate visual indication of output status. A unique 24V peak-peak square wave output is provided that is in sync with the ac line frequency and can be used as a system clock for timing applications. Additionally, the supply is approved to UL60950-1, EN60950-1 and evaluated to NEC NFPA70 Class 2 Output per UL1310. Price is $32 each/100. TDK-LAMBDA, San Diego, CA. (800) 575-4400.