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Mean Well DRA-40-12 Single Output Switching Power Supply 40W 12V - DIN Rail

Io can be adjusted 10%~100% by 1-10VDC, PWM or resistance, Vo adjustable, pass LPS
SKU:
DRA-40-12

Model
$27.46 USD
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Description

Features

Universal AC input / Full range
Can be installed on DIN rail TS-35/7.5 or 15
Output Voltage adjustable through internal potentiometer
Protections: Short circuit / Overload /Over voltage
Output Current adjustable through external 1~10Vdc, PWM signal or resistance
Cooling by free air convection
Pass LPS
LED indicator for power on
100% full load burn-in test
3 years warranty

General Specification 

AC input voltage range 90~264VAC ; 127~370VDC
AC inrush current (max.) Cold start 30A/115VAC 60A/230VAC
Over voltage protection Protection type : Shut down o/p voltage, re-power on to recover
Withstand voltage I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
Working temperature -30~+70ºC (refer to output derating curve)
Safety standards UL60950-1, TUV EN60950-1 approved
EMC standards Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3
Dimension (LxWxH)(mm) 40 x 90 x 100 mm

Detailed Datasheet

Please download from the RELATED FILE section on this page

Specifications

  • Brand
    Mean Well
  • Series
    DRA Series
  • Power Rating
    40.08 Watt
  • Output Voltage
    12 Volt
  • Rated Current
    3.34 Ampere
  • Input Voltage
    90V~264V
  • No of Output
    1
  • Standards Met
    CB,CE,EAC,TUV,UL
  • Operating Temperature
    -30°C~70°C
  • Warranty
    3 Year
  • Length
    3.94 in
  • Width
    3.54 in
  • Height
    1.57 in
  • Weight
    0.66 lb

File Downloads

::specification::

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Frequently Asked Questions

Can the DRA-40-12 be used in a 12V PLC or industrial automation control panel?

Yes. The DRA-40-12 provides 12V DC at up to 3.34A with 40.08W output, which suits 12V control panel loads that stay within those limits. Its DIN rail format and 100.0 × 90.0 × 40.0 mm size are also appropriate for cabinet mounting.

Is the DRA-40-12 a good fit for building management cabinets with 12V control devices?

It can be used where the building management panel needs a 12V DC supply up to 3.34A. The 40.08W output supports lower-power 12V control electronics in enclosed DIN rail installations. Buyers should make sure the cabinet load does not exceed 12V, 3.34A, or 40.08W.

Can this model be used where the DC output needs to be adjusted for control applications?

Yes. The DRA-40-12 lists output current adjustment from 10% to 100% by 1-10VDC, PWM, or resistance, and it also states that output voltage is adjustable. That makes it suitable for control cabinet applications where adjustable 12V output behavior is required within its 40.08W and 3.34A limits.

Is the DRA-40-12 suitable for control cabinet or enclosure use over a wide temperature range?

Yes. Its operating temperature range is -30°C to +70°C, which supports enclosure use in demanding indoor industrial conditions. The DIN rail format and 100.0 × 90.0 × 40.0 mm dimensions also fit standard control cabinet layouts.

What is the difference between the DRA-40-12 and the other DRA DIN rail models?

The DRA-40-12 is 40.08W at 12V and 3.34A. In the same family, DRA-40-24 is 40.8W at 24V and 1.7A, DRA-60-12 is 60W at 12V and 5A, and DRA-60-24 is 60W at 24V and 2.5A. The differences are output voltage, output current, and total power.

Other DRA-40 Models

1 other model
ModelPower Voltage Current IP RatingPrice
Mean Well DRA-40-24 Single Output Switching Power Supply 40W 24V - DIN Rail 40.8W 24V 1.7A Indoor$27.47 View
Mean Well DRA-40-12 Single Output Switching Power Supply 40W 12V - DIN Rail
Mean Well

Mean Well DRA-40-12 Single Output Switching Power Supply 40W 12V - DIN Rail

$27.46 USD

Features

Universal AC input / Full range
Can be installed on DIN rail TS-35/7.5 or 15
Output Voltage adjustable through internal potentiometer
Protections: Short circuit / Overload /Over voltage
Output Current adjustable through external 1~10Vdc, PWM signal or resistance
Cooling by free air convection
Pass LPS
LED indicator for power on
100% full load burn-in test
3 years warranty

General Specification 

AC input voltage range 90~264VAC ; 127~370VDC
AC inrush current (max.) Cold start 30A/115VAC 60A/230VAC
Over voltage protection Protection type : Shut down o/p voltage, re-power on to recover
Withstand voltage I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
Working temperature -30~+70ºC (refer to output derating curve)
Safety standards UL60950-1, TUV EN60950-1 approved
EMC standards Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3
Dimension (LxWxH)(mm) 40 x 90 x 100 mm

Detailed Datasheet

Please download from the RELATED FILE section on this page

Model

  • 12V 20W
  • 24V 40W
  • 12V 60W
  • 24V 60W
View product