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Mean Well

Mean Well HRPG-300-12 Power Supply 324W 12V 27A

built-in active PFCPF > 0.95high efficiency up to 90%no load power consumption <0.5W~0.75W1U low profile
SKU HRPG-300-12
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Overview

HRPG-300-12 is the 12V output model of this series: rated current 27A, rated power 324W, typical efficiency 88%.

Features

  • Universal AC input / Full range
  • Built-in active PFC function, PF>0.95
  • High efficiency up to 89%
  • Withstand 300VAC surge input for 5 seconds
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Built-in constant current limiting circuit
  • 1U low profile 41mm
  • Built-in cooling fan ON-OFF control
  • Built-in DC OK signal
  • Built-in remote ON-OFF control
  • Standby 5V@0.3A
  • Built-in remote sense function
  • No load power consumption<0.5W (Note.6)
  • 5 years warranty

Specifications

HRPG-300-12Specifications from the official datasheet (2026-04-03 edition)

OUTPUT

DC VOLTAGE
12V
RATED CURRENT
27A
CURRENT RANGE
0 ~ 27A
RATED POWER
324W
RIPPLE & NOISE (max.)Note.2
120mVp-p
VOLTAGE ADJ. RANGE
10.2 ~ 13.8V
VOLTAGE TOLERANCENote.3
±1.0%
LINE REGULATION
±0.3%
LOAD REGULATION
±0.5%
SETUP, RISE TIME
1000ms, 50ms/230VAC 2500ms, 50ms/115VAC at full load
HOLD UP TIME (Typ.)
16ms/230VAC 16ms/115VAC at full load

INPUT

VOLTAGE RANGENote.5
85 ~ 264VAC 120 ~ 370VDC
FREQUENCY RANGE
47 ~ 63Hz
POWER FACTOR (Typ.)
PF>0.95/230VAC PF>0.99/115VAC at full load
EFFICIENCY (Typ.)
88%
AC CURRENT (Typ.)
3.5A/115VAC 1.8A/230VAC
INRUSH CURRENT (Typ.)
35A/115VAC 70A/230VAC
LEAKAGE CURRENT
<1.2mA / 240VAC

PROTECTION

OVERLOAD
105 ~ 135% rated output power Protection type : Constant current limiting, recovers automatically after fault condition is removed
OVER VOLTAGE
14.4 ~ 16.8V Protection type : Shut down o/p voltage, re-power on to recover
OVER TEMPERATURE
Shut down o/p voltage, recovers automatically after temperature goes down

FUNCTION

5V STANDBY
5VSB : 5V@0.3A ; tolerance±5%, ripple : 50mVp-p(max.)
DC OK SIGNAL
PSU turns on : 3.3 ~ 5.6V ; PSU turns off : 0 ~ 1V
REMOTE CONTROL
RC+ / RC-: 4 ~ 10V or open = power on ; 0 ~ 0.8V or short = power off
FAN CONTROL (Typ.)
Load 35±15% or RTH2≧50℃ Fan on

ENVIRONMENT

WORKING TEMP.
-40 ~ +70℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.03%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes

SAFETY & EMC (Note 4)

SAFETY STANDARDS
UL62368-1, TUV BS EN/EN62368-1, EAC TP TC 004 approved
WITHSTAND VOLTAGE
I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE
I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to BS EN/EN55032 (CISPR32) Class B, BS EN/EN61000-3-2,-3, EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/ EN61000-4-2,3,4,5,6,8,11, BS EN/ EN55035, BS EN/ EN61000-6-2, heavy industry level, EAC TP TC 020

OTHERS

MTBF
1339.6K hrs min. Telcordia SR-332 (Bellcore) ; 176.1K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
199*105*41mm (L*W*H)
PACKING
0.95Kg;15pcs/15.3Kg/0.83CUFT
Test conditions and notes7
  1. 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
  2. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
  3. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 4. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
  5. 5. Derating may be needed under low input voltages. Please check the derating curve for more details.
  6. 6. No load power consumption<0.5W when RC- & RC+ (CN100 pin4,6) 0 ~ 0.8V or short.
  7. 7. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).

Technical drawings

HRPG-300-12 Mechanical Specification
Mechanical Specification
HRPG-300-12 Block Diagram
Block Diagram
HRPG-300-12 Derating Curve
Derating Curve
HRPG-300-12 H R P G - 3 0 0 series
H R P G - 3 0 0 series
HRPG-300-12 2.DC-OK Signal
2.DC-OK Signal
HRPG-300-12 3.Remote Control
3.Remote Control

Downloads

FAQ

Can I use the HRPG-300-12 for a 12V industrial automation system?

Yes, this power supply delivers a constant 12V output at up to 27A. Its total output power is 324W, so it fits 12V DC automation loads that stay within those limits.

Is the HRPG-300-12 suitable for 12V embedded equipment with higher current demand?

It is a fit for 12V embedded or control systems that need more current than smaller 12V supplies can provide. The unit is rated for 27A and 324W on its 12V output.

Can this model power multiple 12V DC devices from one supply in a control cabinet?

It can support a grouped 12V DC load as long as total demand does not exceed 27A and 324W. That makes it suitable for centralized 12V power distribution inside industrial or IT equipment.

Is the HRPG-300-12 a good choice for low-profile rack or chassis equipment?

It measures 199.0 x 105.0 x 41.0 mm, so it is only 41 mm high. That supports use where a higher-capacity 12V supply must fit into a relatively shallow vertical space.

Can the HRPG-300-12 be used in outdoor or temperature-variable environments?

The operating temperature range is -40C to +70C, with output derating required at higher ambient temperatures per the derating curve. No IP rating is included in the provided specs, so outdoor suitability cannot be confirmed from this data alone.

How does the HRPG-300-12 compare with the other HRPG-300 models?

The HRPG-300 series includes 198W at 3.3V and 60A, 300W at 5V and 60A, 300W at 7.5V and 40A, 324W at 12V and 27A, 330W at 15V and 22A, 336W at 24V and 14A, 324W at 36V and 9A, and 336W at 48V and 7A. This model is the only 12V version in the series and shares the 324W rating with the 36V model.

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Mean Well HRPG-300-12 Power Supply 324W 12V 27A
Mean Well

Mean Well HRPG-300-12 Power Supply 324W 12V 27A

Log in to see price

HRPG-300-12 is the 12V output model of this series: rated current 27A, rated power 324W, typical efficiency 88%.

Features

  • Universal AC input / Full range
  • Built-in active PFC function, PF>0.95
  • High efficiency up to 89%
  • Withstand 300VAC surge input for 5 seconds
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Built-in constant current limiting circuit
  • 1U low profile 41mm
  • Built-in cooling fan ON-OFF control
  • Built-in DC OK signal
  • Built-in remote ON-OFF control
  • Standby 5V@0.3A
  • Built-in remote sense function
  • No load power consumption<0.5W (Note.6)
  • 5 years warranty
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