2229 SWITCHMODE VOLTAGE REGULATOR

• AC/DC input voltage

• Adjustable output 5...24 VDC,max. 40 W

• Adjustable from external potentiometer

• Short-circuit protection

• Thermal overload protection

• Standard 11-pole relay socket

Applications:

General voltage regulator for external transformer used in onnection with measurement systems requiring fixed stabilized 4 VDC or supply for any other sensors, transmitters r a general variable voltage regulator in the range 5 to 24 VDC.

The unit is based on switchmode technology enabling an djustable output with a minimum loss of power. A rectifier ridge in the input allows free choice of polarity for the DC nput.

The 2229 is for standard 11-pole socket mounting in all ositions. To achieve maximum cooling, vertical position nd a small distance (10 mm) between neighbouring units re recommended.

AC or DC input voltages in accordance with the specifications. nput is not galvanically isolated from output.

The output is adjustable from front potentiometer in the range5...24 VDC or from an external potentiometer (potm. 20 kW). Usingexternal potentiometer the front potentiomete must be adjusted to the maximum wanted output plus 0%. A green LED indicates active output. Short-circuit pro-tectionlimits the current to typ. 5.8 Amp. Short-circuit will ero the voltage to minimize the power. When removing the hort-circuit the output will turn back to the adjusted value.