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Mean Well

Mean Well SE-450-24 Power Supply 450W 24V 18.8A

economical model medium to high power(450W~1500W)
SKU SE-450-24
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Select model — 4 in this family

SE-450-24
End of Life, Succeeded by LRS-450-24
In stock
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Overview

SE-450-24 is the 24V output model of this series: rated current 18.8A, rated power 451.2W, typical efficiency 86%.

Features

  • AC input active surge current limiting
  • AC input range selected by switch
  • Protections: Short circuit /Overload / Over voltage / Over temperature
  • Forced air cooling by built-in DC ball bearing fan
  • Built-in remote sense function
  • LED indicator for power on
  • UL approved
  • 2 years warranty

Specifications

SE-450-24Specifications from the official datasheet (2024-09-30 edition)

OUTPUT

DC VOLTAGE
24V
RATED CURRENT
18.8A
CURRENT RANGE
0 ~ 18.8A
RATED POWER
451.2W
RIPPLE & NOISE (max.)Note.2
200mVp-p
VOLTAGE ADJ. RANGE
21.6 ~ 28.5V
VOLTAGE TOLERANCENote.3
±1.5%
LINE REGULATION
±0.2%
LOAD REGULATION
±0.5%
SETUP, RISE TIME
1500ms, 50ms/230VAC 1500ms, 50ms/115VAC at full load
HOLD UP TIME (Typ.)
16ms/230VAC 12ms/115VAC at full load

INPUT

VOLTAGE RANGE
90 ~ 132VAC / 180 ~ 264VAC selected by SW 254 ~ 370VDC
FREQUENCY RANGE
47 ~ 63Hz
EFFICIENCY (Typ.)
86%
AC CURRENT (Typ.)
10A/115VAC 6A/230VAC
INRUSH CURRENT (Typ.)
35A/115VAC 55A/230VAC
LEAKAGE CURRENT
<2.5mA / 240VAC

PROTECTION

OVERLOAD
105 ~ 150% rated output power Protection type : Shut down o/p voltage, re-power on to recovery
OVER VOLTAGE
32 ~ 36V Protection type : Shut down o/p voltage, re-power on to recovery
OVER TEMPERATURE
Shut down o/p voltage, recovers automatically after temperature goes down

ENVIRONMENT

WORKING TEMP.
-10 ~ +60℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +85℃,10 ~ 95% RH
TEMP. COEFFICIENT
±0.05%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes

SAFETY

SAFETY STANDARDS
UL62368-1, EAC TP TC 004 approved; Design refer to BS EN/EN62368-1
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

OTHERS

MTBF
1557.5 K hrs min. Telcordia SR-332 (Bellcore) ; 224.1K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
225*124*50mm (L*W*H)
PACKING
1.25Kg;12PCS/16Kg/1CUFT
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 ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).
  5. 5. This power supply does not meet the harmonic current requirements outlined by BS EN/EN61000-3-2. Please do not use this power supply under the following conditions: a) the end-devices is used within the European Union, and b) the end-devices is connected to public mains supply with 220Vac or greater rated nominal voltage, and c) the power supply is: - installed in end-devices with average or continuous input power greater than 75W, or - belong to part of a lighting system Exception: Power supplies used within the following end-devices do not need to fulfill BS EN/EN61000-3-2 a) professional equipment with a total rated input power greater than 1000W; b) symmetrically controlled heating elements with a rated power less than or equal to 200W

Technical drawings

SE-450-24 Mechanical Specification
Mechanical Specification
SE-450-24 Block Diagram
Block Diagram
SE-450-24 Derating Curve
Derating Curve

Downloads

FAQ

Can I use the SE-450-24 for a 24V PLC cabinet or industrial automation panel?

Yes, this model is a constant voltage 24V supply rated for 18.8A and 451.2W. That makes it suitable for 24V PLC cabinets, automation panels, and other industrial control systems designed for a 24V DC bus within those limits.

Is the SE-450-24 a fit for 24V factory sensors, actuators, and control accessories?

It can be, provided the connected devices require regulated 24V DC and the combined load stays within 18.8A and 451.2W. This is a constant voltage power supply, so it is intended for 24V equipment rather than constant current loads.

Can the SE-450-24 be used for 24V embedded or network equipment in an industrial enclosure?

Yes, if the equipment is designed for 24V DC input and total consumption remains at or below 18.8A and 451.2W. The switch-selectable 90-132VAC / 180-264VAC input is also useful where AC supply conditions vary by site.

Is the SE-450-24 suitable for outdoor installations?

The listed operating temperature is -10°C to +60°C, but no IP rating is provided in the specs. Without a stated IP rating, it is better suited to indoor use or installation inside a protective enclosure.

How does the SE-450-24 compare with other voltage options in the SE-450 series?

The SE-450 family includes 3.3V 75A 247.5W, 5V 75A 375W, 12V 37.5A 450W, 15V 30A 450W, 24V 18.8A 451.2W, 36V 12.5A 450W, and 48V 9.4A 451.2W versions. The SE-450-24 is the 24V option and its output current is 18.8A.

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Mean Well SE-450-24 Power Supply 450W 24V 18.8A
Mean Well

Mean Well SE-450-24 Power Supply 450W 24V 18.8A

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SE-450-24 is the 24V output model of this series: rated current 18.8A, rated power 451.2W, typical efficiency 86%.

Features

  • AC input active surge current limiting
  • AC input range selected by switch
  • Protections: Short circuit /Overload / Over voltage / Over temperature
  • Forced air cooling by built-in DC ball bearing fan
  • Built-in remote sense function
  • LED indicator for power on
  • UL approved
  • 2 years warranty

Model

  • 450W 24V
  • 1000W 24V
  • 1500W 24V
  • 600W 24V
View product

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