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Power supply 1-phase, 24 V dc Piano Series

  • Output current of 10 A
  • Up to 91.4% efficiency
  • Only 49 mm wide
  • DC-OK relay output

Product description

These PIANO series units are extraordinarily compact, industrial grade power supplies that focus on the essential features required in today’s industrial applications. The excellent cost/performance ratio presents many new and exciting opportunities without compromising quality or reliability.

The mechanically robust housing is made of a high-grade, reinforced molded material, which permits the units to be used in surrounding temperatures up to +70°C.

Since typical industrial applications do not require multiple mains inputs, the reduction to a regional input voltage range (AC 200 240V) simplifies the circuitry and has significant advantages for reliability, efficiency and cost.

The integrated DC-OK signal makes the unit suitable for many industry applications, such as process, automation and many other critical applications where preventive function monitoring can help to avoid long downtimes.


Output characteristics



  • A = Primary side, 230 V ac


  • B = Secondary side, 24-28 V dc


  • C = Potentiometer for voltage output


  • D = DC-OK LED
    Lights green when the output voltage is over 18 V dc


  • E = DC-OK output relay


Number of variants matching filter 2/2 |


Articles Output voltage Input voltage AC Clamp type Effect Output Current
24 V DC 200-240 V Screw 240 W 10 A
24 V DC 100-240 V Screw 240 W 10 A



Powersupply 230VAC 24VDC/10A DC OK

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Number of phases 1
Input voltage AC 200-240 V
Input voltage ac min 180 V AC
Input voltage ac max 264 V AC
Inrush current at 230 V ac typical 48 A
Power Factor at 230 V AC, full load. Typical 0,52
Supply Frequency 50-60 ±6 %
Power Consumption At 230 V AC 2,2 A
Type Power Supply AC-DC
Output voltage 24 V DC
Output voltage min 24 V DC
Output voltage max 28 V DC
Output Current 10 A
Effect 240 W
Power Reduction Of 60 To 70 ° C 6 W/°C
Ripple. max 100 mV pp
Temperature Range Without Derating From -10 °C
Temperature Range Without Derating To 55 °C
Efficiency At 230 V AC. Typical 90,9 %
Efficiency At 230 V AC, full load. Typical 91,4 %
Lifetime at 230 V ac, full load and +40 ° C 38000 h
MTBF (IEC 61709) 230 V AC, Maximum Load, 40 ° C 791000 h
Width 49 mm
Height 124 mm
Depth 124 mm
Weight 0,55 kg
Clamp type Screw
Series Piano
Approvals CB, CE, cRUus, cULus, EAC, GL
DC relay output Yes
Material Protection Polycarbonate
Hold-up time at 230 V AC, full load. Typical. 33 ms
IP Class IP20
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