====== AC Power Supply Model 252M ======
{{252m.jpg?150|}}

===== Description =====
For use with Models [[540]] and [[544]].  Fully voltage regulated to provide highly stable, pure DC (225 watts) from 117 VAC.  Panel DC ammeter.  Instantaneous overload protection circuit prevents damage caused by excessive current drain; reset by momentary turn-off.  Same as Model [[262M]] without the VOX circuit.  Model 252M/E (115 - 230 VAC).

===== Specifications =====
  ***Input Voltage:** 117 VAC, 50-60 Hz
  ***Output Voltage:** 13 VDC +/- 0.5 V
  ***Regulation:** Better than 1% no load to full load @ 117 VAC
  ***Output Current:** Zero to 18 A, built-in ammeter
  ***Ripple:** Less than 60 mV p-p @ 18 A and 117 VAC
  ***Circuit Breaker:** Trips at 20 A (manual reset)
  ***Output Connectors:** One 4-pin AMP MATE-N-LOK type.  Two phono jacks for low current.
  ***Finish:** Satin aluminum front panel, black pebble-grain top and sides.
  ***Semiconductors:** 4 transistors, 1 SCR, 7 diodes
  ***Size:** HWD 4.5" x 8.25" x 13".
  ***Weight:** 14.5 lbs.