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Mean Well HRP-450-7.5 Power Supply 450W 7.5V 60A

built-in active PFChigh efficiency up to 90%no load power consumption <0.5W~0.75W
SKU HRP-450-7.5
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Select model — 7 in this family

HRP-450-7.5
Available to order
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Overview

HRP-450-7.5 is the 7.5V output model of this series: rated current 60A, rated power 450W, typical efficiency 86.5%.

Features

  • Universal AC input / Full range
  • Built-in active PFC function, PF>0.95
  • High efficiency up to 89.5%
  • Withstand 300VAC surge input for 5 seconds
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Built-in constant current limiting circuit
  • Built-in cooling Fan ON-OFF control
  • Built-in DC OK signal
  • Built-in remote sense function
  • 5 years warranty

Specifications

HRP-450-7.5Specifications from the official datasheet (2026-04-03 edition)

OUTPUT

DC VOLTAGE
7.5V
RATED CURRENT
60A
CURRENT RANGE
0 ~ 60A
RATED POWER
450W
RIPPLE & NOISE (max.)Note.2
100mVp-p
VOLTAGE ADJ. RANGE
6.8 ~ 9V
VOLTAGE TOLERANCENote.3
±2.0%
LINE REGULATION
±0.5%
LOAD REGULATION
±1.0%
SETUP, RISE TIME
1800ms, 100ms/230VAC 3600ms, 100ms/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.)
86.5%
AC CURRENT (Typ.)
5A/115VAC 2.4A/230VAC
INRUSH CURRENT (Typ.)
35A/115VAC 70A/230VAC
LEAKAGE CURRENT
<1.5mA / 240VAC

PROTECTION

OVERLOAD
105 ~ 135% rated output power Protection type : Constant current limiting, recovers automatically after fault condition is removed
OVER VOLTAGE
9.4 ~ 10.9V 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

DC OK SIGNAL
PSU turn on : 3.3 ~ 5.6V ; PSU turn off : 0 ~ 1V
FAN CONTROL (Typ.)
Load 20±10% 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 non-condensing
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, AS/NZS62368.1, 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/ EN55024, BS EN/ EN61000-6-2, heavy industry level, EAC TP TC 020

OTHERS

MTBF
1323.6K hrs min. Telcordia SR-332 (Bellcore) ; 139.9K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
218*105*41mm (L*W*H)
PACKING
1.19Kg; 12pcs/15.3Kg/0.82CUFT
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. Length of set up time is measured at first cold start. Turning ON/OFF the power supply may lead to increase of the set up time.
  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

HRP-450-7.5 Mechanical Specification
Mechanical Specification
HRP-450-7.5 Block Diagram
Block Diagram
HRP-450-7.5 Derating Curve
Derating Curve
HRP-450-7.5 Function Manual
Function Manual

Downloads

FAQ

Can I use the HRP-450-7.5 for a 7.5V industrial or embedded DC system?

Yes, if the load is designed for constant 7.5V input. This model delivers 7.5V at up to 60A with 450W total output, so it fits higher-current 7.5V systems that need a regulated DC source.

Is the HRP-450-7.5 suitable for a centralized 7.5V power bus?

It can be a good fit where multiple 7.5V loads share one supply and the combined demand remains within 60A and 450W. The constant-voltage design is appropriate for equipment expecting a fixed 7.5V DC bus.

Can this power supply replace a smaller 7.5V model in a higher-load setup?

Yes, when the system has outgrown lower-capacity 7.5V units. This 450W version delivers up to 60A at 7.5V, so it can take over larger loads as long as the combined demand stays within those limits.

Will the HRP-450-7.5 work across different AC input conditions?

Yes, the specified input range is 85-264VAC. That allows the supply to be used on a wide range of AC mains while maintaining 7.5V constant-voltage output.

Can the HRP-450-7.5 be used in outdoor or temperature-challenging environments?

Its operating temperature range is -40°C to +70°C, with load derating at higher ambient temperatures per the derating curve. The provided specs do not include an IP rating, so outdoor or washdown exposure should be handled through the enclosure, not assumed from the power supply alone.

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Mean Well HRP-450-7.5 Power Supply 450W 7.5V 60A
Mean Well

Mean Well HRP-450-7.5 Power Supply 450W 7.5V 60A

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HRP-450-7.5 is the 7.5V output model of this series: rated current 60A, rated power 450W, typical efficiency 86.5%.

Features

  • Universal AC input / Full range
  • Built-in active PFC function, PF>0.95
  • High efficiency up to 89.5%
  • Withstand 300VAC surge input for 5 seconds
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Built-in constant current limiting circuit
  • Built-in cooling Fan ON-OFF control
  • Built-in DC OK signal
  • Built-in remote sense function
  • 5 years warranty

Model

  • 75W 7.5V
  • 100W 7.5V
  • 150W 7.5V
  • 200W 7.5V
  • 300W 7.5V
  • 450W 7.5V
  • 600W 7.5V
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