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Mean Well

Mean Well SCP-75-24 Power supply 74.5W 27.6V 2.7A

built-in temperature compensation functionno load power consumption<0.75Woutput voltage detection signal
SKU SCP-75-24
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Overview

SCP-75-24 is the 27.6V output model of this series: rated current 2.7A, rated power 74.5W, typical efficiency 84%.

Features

  • Universal AC input/Full range
  • Protections: Short circuit / Overload / Over voltage / Battery polarity protections (by fuse)
  • Built-in temperature compensation function
  • Output voltage detection signal
  • Cooling by free air convection
  • LED indicator for power on
  • No load power consumption <0.75W
  • Suitable for installation in metallic or non-metallic system enclosure
  • 100% full load burn-in test
  • 2 years warranty

Specifications

SCP-75-24Specifications from the official datasheet (2024-11-22 edition)

OUTPUT

DC VOLTAGE
27.6V
RATED CURRENT
2.7A
CURRENT RANGE
0 ~ 2.7A
PEAK 5SNote.6
3.2A
RATED POWER
74.5W
RIPPLE & NOISE (max.)Note.2
200mVp-p
VOLTAGE ADJ. RANGE
+15,-5%
VOLTAGE TOLERANCENote.3
±1.0%
LINE REGULATIONNote.4
±1.0%
LOAD REGULATIONNote.5
±1.0%
SETUP, RISE TIME
600ms, 30ms/230VAC 1200ms, 30ms/115VAC at full load
HOLD UP TIME (Typ.)
50ms/230VAC 16ms/115VAC at full load

INPUT

VOLTAGE RANGE
85 ~ 264VAC 120 ~ 370VDC
FREQUENCY RANGE
47 ~ 63Hz
EFFICIENCY (Typ.)
84%
AC CURRENT (Typ.)
1.5A/115VAC 0.9A/230VAC
INRUSH CURRENT (Typ.)
COLD START 45A
LEAKAGE CURRENT
<2mA / 240VAC

FUNCTION

TEMP. COMPENSATION
By NTC (not provide with the power supply)
OUTPUT VOLTAGE SENSOR
L=output voltage +0.2 ~ 0.7V(AC OK); L=0V(AC Fail)

PROTECTION

OVERLOAD
3.2 ~ 4.3A rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE
33.1 ~ 38.6V Protection type : Shut down o/p voltage, re-power on to recover

ENVIRONMENT

WORKING TEMP.
-20 ~ +60℃ (Refer to output load derating curve)
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.05% /℃ (0 ~ 45℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS
UL62368-1, CB(IEC62368-1), EAC TP TC 004 approved, Design refer to BS EN/EN62368-1
WITHSTAND VOLTAGE
I/P-O/P:3KVAC I/P-FG:2.0KVAC 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/ENV50204, BS EN/EN55035, BS EN/EN61000-6-1, light industry level, EAC TP TC 020

OTHERS

MTBF
2775.7K hrs min. Telcordia SR-332 (Bellcore) ; 461.3K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
159*97*38mm (L*W*H)
PACKING
0.5Kg; 30pcs/16Kg/1CUFT
Test conditions and notes8
  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. Line regulation is measured from low line to high line at rated load.
  5. 5. Load regulation is measured from 0% to 100% rated load.
  6. 6. 33% Duty cycle maximum within every 15 seconds. Average output power should not exceed the rated power.
  7. 7. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives. (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
  8. 8. 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

SCP-75-24 Mechanical Specification
Mechanical Specification
SCP-75-24 Block Diagram
Block Diagram
SCP-75-24 Derating Curve
Derating Curve
SCP-75-24 Function Description
Function Description
SCP-75-24 Function Description (2)
Function Description (2)

Downloads

FAQ

Can I use the Mean Well SCP-75-24 for a 24V industrial control panel?

It can fit 24V-class control systems that are designed to accept a regulated 27.6V constant-voltage supply. This model provides 74.5W and up to 2.7A, so it is better suited to control panels, relays, sensors, and similar automation loads that stay within that output.

Is the SCP-75-24 suitable for PLC, HMI, and automation equipment?

Yes, it is generally suited to automation equipment that uses a constant-voltage 27.6V DC supply and stays within 74.5W and 2.7A. The 85-264VAC input range also makes it practical for industrial and control environments where AC input flexibility is needed.

Can this power supply be used for embedded or industrial electronics that need stable DC output?

It is intended for constant-voltage applications that need 27.6V output, which can make it a fit for embedded and industrial electronics designed around that voltage. Buyers should confirm the equipment stays within the 2.7A and 74.5W limits before selecting it.

Is the SCP-75-24 a good choice for systems that benefit from temperature-compensated output behavior?

This model includes a built-in temperature compensation function, so it can be relevant for systems where that feature is required as part of the power design. It still remains a 27.6V constant-voltage supply rated for 74.5W and 2.7A, so the connected load needs to match those limits.

How does the SCP-75-24 compare with the other Mean Well SCP series models?

Within the same series, the sibling models are SCP-35-12 at 35.9W, 13.8V, 2.6A; SCP-35-24 at 38.6W, 27.6V, 1.4A; SCP-50-12 at 49.7W, 13.8V, 3.6A; SCP-50-24 at 49.7W, 27.6V, 1.8A; and SCP-75-12 at 74.5W, 13.8V, 5.4A. The SCP-75-24 is the 27.6V, 74.5W, 2.7A option in that group.

Can the SCP-75-24 be used outdoors or in harsh temperature conditions?

The operating temperature range is -20°C to +60°C, so it is specified for a fairly broad temperature range. No IP rating is provided in the product specs, so it should be treated as a supply for protected indoor use or for installation inside an enclosure that provides the needed environmental protection.

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Other SCP-75 Models

1 other model
ModelPowerVoltageCurrentBattery Voltage
Mean Well SCP-75-12 Power supply 74.5W 13.8V 5.4A 74.5W 13.8V 5.4A 13.8V View
View all 6 SCP Series models
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Mean Well SCP-75-24 Power supply 74.5W 27.6V 2.7A
Mean Well

Mean Well SCP-75-24 Power supply 74.5W 27.6V 2.7A

Log in to see price

SCP-75-24 is the 27.6V output model of this series: rated current 2.7A, rated power 74.5W, typical efficiency 84%.

Features

  • Universal AC input/Full range
  • Protections: Short circuit / Overload / Over voltage / Battery polarity protections (by fuse)
  • Built-in temperature compensation function
  • Output voltage detection signal
  • Cooling by free air convection
  • LED indicator for power on
  • No load power consumption <0.75W
  • Suitable for installation in metallic or non-metallic system enclosure
  • 100% full load burn-in test
  • 2 years warranty
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