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Mean Well

Mean Well SCP-35-24 Power supply 38.6W 27.6V 1.4A

built-in temperature compensation functionno load power consumption<0.75Woutput voltage detection signal
SKU SCP-35-24
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Overview

SCP-35-24 is the 27.6V output model of this series: rated current 1.4A, rated power 38.6W, typical efficiency 86%.

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-35-24Specifications from the official datasheet (2024-11-22 edition)

OUTPUT

DC VOLTAGE
27.6V
RATED CURRENT
1.4A
CURRENT RANGE
0 ~ 1.4A
PEAK 5SNote.6
1.7A
RATED POWER
38.6W
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.)
86%
AC CURRENT (Typ.)
0.75A/115VAC 0.5 A/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
1.7 ~ 2.3A rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE
33.1 ~ 38.5V 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 (Note 6)

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
3044.9K hrs min. Telcordia SR-332 (Bellcore) ; 523.3K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
99*97*36mm (L*W*H)
PACKING
0.37Kg; 45pcs/17.7Kg/1.04CUFT
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-35-24 Mechanical Specification
Mechanical Specification
SCP-35-24 Block Diagram
Block Diagram
SCP-35-24 Derating Curve
Derating Curve
SCP-35-24 Function Description
Function Description
SCP-35-24 Function Description (2)
Function Description (2)

Downloads

FAQ

Can I use the SCP-35-24 for a 24V nominal control cabinet that needs a 27.6V DC supply?

Yes, if the system is designed for a 27.6V constant-voltage source and the load stays within 1.4A and 38.6W. This model is better aligned with compact industrial or automation hardware that runs on a higher DC bus than 13.8V units.

Is the SCP-35-24 suitable for compact security, alarm, or monitoring systems using a 27.6V DC bus?

It can be appropriate where the equipment expects 27.6V DC and total current demand does not exceed 1.4A. The temperature compensation function (via external NTC) and output voltage detection signal may also matter in monitored low-power systems.

Would this model work for low-current PLC accessories or embedded devices that need around 24V DC?

It is a candidate for low-current 24V nominal applications when the actual required supply is 27.6V constant voltage. The available output is limited to 1.4A and 38.6W, so it fits smaller automation loads rather than heavier field devices.

Can the SCP-35-24 be used in unconditioned indoor spaces?

The specified operating range is -20°C to +60°C, which supports many indoor industrial and utility environments. No IP rating is provided, so the specs do not confirm suitability for direct outdoor exposure or wet locations.

What are the main differences between the SCP-35-24 and the other SCP versions?

The SCP-35-24 is rated at 38.6W with 27.6V output and 1.4A current. Related models are SCP-35-12 at 35.9W, 13.8V, 2.6A; SCP-50-12 at 49.7W, 13.8V, 3.6A; SCP-50-24 at 49.7W, 27.6V, 1.8A; SCP-75-12 at 74.5W, 13.8V, 5.4A; and SCP-75-24 at 74.5W, 27.6V, 2.7A.

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Other SCP-35 Models

1 other model
ModelPowerVoltageCurrentBattery Voltage
Mean Well SCP-35-12 Power supply 35.9W 13.8V 2.6A 35.9W 13.8V 2.6A 13.8V View
View all 6 SCP Series models
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Mean Well SCP-35-24 Power supply 38.6W 27.6V 1.4A
Mean Well

Mean Well SCP-35-24 Power supply 38.6W 27.6V 1.4A

Log in to see price

SCP-35-24 is the 27.6V output model of this series: rated current 1.4A, rated power 38.6W, typical efficiency 86%.

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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