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Mean Well

Mean Well SP-240-5 Power Supply 240W 5V 45A

SKU SP-240-5
$47.76 USD
Shipping calculated at checkout.
End of Life, Succeeded by RSP-320-5
Available to order
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Overview

SP-240-5 is the 5V output model of this series: rated current 45A, rated power 225W, typical efficiency 79%.

Features

  • Universal AC input / Full range
  • Built-in active PFC function, PF>0.95
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Forced air cooling by built-in DC Fan
  • Built-in fan ON / OFF control
  • LED indicator for power on
  • Fixed switching frequency at 90KHz
  • 3 years warranty

Specifications

SP-240-5Specifications from the official datasheet (2021-09-15 edition)Download datasheet PDF

OUTPUT

DC VOLTAGE
5V
RATED CURRENT
45A
CURRENT RANGE
0 ~ 45A
RATED POWER
225W
RIPPLE & NOISE (max.)Note.2
150mVp-p
VOLTAGE ADJ. RANGE
4 ~ 6V
VOLTAGE TOLERANCENote.3
±2.0%
LINE REGULATION
±0.5%
LOAD REGULATION
±1.0%
SETUP, RISE TIME
800ms, 50ms/230VAC 1500ms, 50ms/115VAC at full load
HOLD UP TIME (Typ.)
20ms/230VAC 20ms/115VAC at full load

INPUT

VOLTAGE RANGENote.5
88 ~ 264VAC 124 ~ 370VDC
FREQUENCY RANGE
47 ~ 63Hz
POWER FACTOR (Typ.)
PF>0.95/230VAC PF>0.98/115VAC at full load
EFFICIENCY (Typ.)
79%
AC CURRENT (Typ.)
3.6A/115VAC 1.8A/230VAC
INRUSH CURRENT (Typ.)
25A/115VAC 40A/230VAC
LEAKAGE CURRENT
<2mA / 240VAC

PROTECTION

OVERLOAD
105 ~ 135% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE
6.3 ~ 7.5V 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

FAN CONTROL
RTH2≧40℃ FAN ON, ≦35℃ FAN OFF(Typ.)

ENVIRONMENT

WORKING TEMP.
-20 ~ +70℃ (Refer to output load 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, 2G 10min./1cycle, 60min. each along X, Y, Z axes

SAFETY & EMC (Note 4)

SAFETY STANDARDS
UL60950-1 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
EMI CONDUCTION & RADIATION
Compliance to EN55032 (CISPR32) Class B
HARMONIC CURRENT
Compliance to EN61000-3-2,-3
EMS IMMUNITY
Compliance to EN61000-4-2,3,4,5,6,8,11; ENV50204, EN55024, light industry level, criteria A

OTHERS

MTBF
284K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
190*93*50mm (L*W*H)
PACKING
0.8Kg; 18pcs/15.4Kg/1.05CUFT
Test conditions and notes5
  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 0.1uf & 47uf 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 http://www.meanwell.com)
  5. 5. Derating may be needed under low input voltages. Please check the derating curve for more details.

Technical drawings

SP-240-5 Mechanical Specification
Mechanical Specification
SP-240-5 Block Diagram
Block Diagram
SP-240-5 Derating Curve
Derating Curve

Downloads

FAQ

Can I use the SP-240-5 for a 5V industrial control system with a high current draw?

Yes, this model is intended for 5V DC loads and can deliver up to 45A with a 225W rated power. It is a fit for industrial or automation equipment that specifically requires a regulated 5V supply and higher current capacity than smaller 5V units.

Is the SP-240-5 suitable for powering multiple 5V embedded devices from one supply?

It can be used where the combined load stays within 225W and 45A at 5V. That makes it relevant for consolidated 5V embedded or IT hardware loads that need one higher-capacity constant DC source.

Can this 5V power supply be used for a high-density 5V LED or display system?

It can support 5V equipment where total demand fits within 225W and 45A. For buyers evaluating display, signage, or LED-related 5V loads, the key requirement is that the equipment must be designed for 5V operation.

Will the SP-240-5 work for 5V logic, controller, or processor-heavy equipment in an automation cabinet?

Yes, if the equipment requires 5V DC and the total load remains at or below 225W and 45A. That profile aligns with higher-current 5V controller, processor, or digital electronics loads used in industrial and embedded environments.

Is the SP-240-5 suitable for outdoor or harsh-environment use?

The provided specs list an operating temperature range of -20°C to +70°C, but no IP rating is given. That means temperature capability is defined, while outdoor or washdown suitability should not be assumed from these specs alone.

How does the SP-240-5 compare with other SP series models near this size range?

Within the SP-240 series, the SP-240-5 is rated at 225W at 5V and 45A. Other models in the series offer different voltages and currents, such as the SP-240-12 at 12V/20A or SP-240-24 at 24V/10A, all sharing the same 240W nominal series rating but with specific output ratings per model.

Payment & Security

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Mean Well SP-240-5 Power Supply 240W 5V
Mean Well

Mean Well SP-240-5 Power Supply 240W 5V 45A

$47.76 USD

SP-240-5 is the 5V output model of this series: rated current 45A, rated power 225W, typical efficiency 79%.

Features

  • Universal AC input / Full range
  • Built-in active PFC function, PF>0.95
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Forced air cooling by built-in DC Fan
  • Built-in fan ON / OFF control
  • LED indicator for power on
  • Fixed switching frequency at 90KHz
  • 3 years warranty
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