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Mean Well 751.2W High Reliable Multi-Industries Power Supply 24V 31.3A

no load power consumption<0.75-1W200% peak power capability(12~60V models)high efficiency up to 95%suitable for BF medical applicationsconformal coating

SKU NSP-750-24

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Overview

NSP-750-24 is the 24V output model of this series: rated current 31.3A, rated power 751.2W, typical efficiency 94%.

The NSP-750 series is a 750W AC/DC power supply with PFC function, designed for high reliability and suitable for multiple industries. Key features include: compact size (199*105*41 mm) for better space utilization in system installations, ultra-wide input range of 85~305Vac for global compatibility, up to 95% efficiency and low standby power consumption (<0.75W~1W by models) for energy-saving and carbon reduction, constant current design with 200% peak power capability, wide operating temperature range from -40 to +85℃ (+60℃ at full load), compliance with OVC III, built-in Remote Control/Remote Sense/DC OK signal, internal PCB coating, complete protections, certifications for multiple safety standards including 62368-1, 60601-1, 61558-1, 60335-1, 62477-1, and 61010-1, as well as 2 X MOPP compliance and extremely low leakage current (<350μA). It is suitable for BF-rated medical equipment and comes with a 5-years warranty, making it a highly cost-effective solution for industrial power supply needs.

Features

85~305Vac input with PFC(277Vac available)
No load power consumption <0.75W~1W by R.C.
Global certificates in multi-fields (ITE 62368-1, Medical 60601-1, Household 60335-1, Industrial 61558-1/-2-16/61010-1, Energy converter 62477-1)
200% peak power capability(12~60V models)
High efficiency up to 95%
-40~+85℃ wide range operation temperature(> +60℃ derating)
Extremely low leakage current<350μA, 2 x MOPP, suitable for BF medical applications
Built-in constant current limiting circuit
Protections: Short circuit / Overload / Over voltage / Over temperature
Forced air cooling by built-in DC fan with noise <45dB and fan ON/OFF control
Built-in Remote ON/OFF control/Remote Sense/ DC OK signal
Over voltage category Ⅲ (OVC Ⅲ)
Operating altitude up to 5000 meters
Conformal coating
5 years warranty

Specifications

NSP-750-24Specifications from the official datasheet (2026-06-08 edition)Download datasheet PDF

OUTPUT

DC VOLTAGE: 24V
RATED CURRENT: 31.3A
CURRENT RANGE: 0 ~ 31.3A
RATED POWER: 751.2W
PEAK CURRENT(5 sec.): 62.5A
PEAK POWER(5 sec.): 1500W
RIPPLE & NOISE (max.)^Note.2: 240mVp-p
VOLTAGE ADJ. RANGE: 21 ~ 26V
VOLTAGE TOLERANCE^Note.3: ±1.0%
LINE REGULATION: ±0.5%
LOAD REGULATION: ±0.5%
SETUP, RISE TIME: 1500ms, 80ms/115Vac 1000ms, 80ms/230Vac 900ms, 80ms/277Vac
HOLD UP TIME (Typ.): 16ms at full load

INPUT

VOLTAGE RANGE^Note.4: 85 ~ 305Vac 120 ~ 431Vdc
NO LOAD POWER CONSUMPTION(Typ.) Remote Power OFF: 0.75W/115Vac 0.75W/230Vac 1W/277Vac
NO LOAD POWER CONSUMPTION(Typ.) Remote Power ON: 5W/115Vac 5W/230Vac 5W/277Vac
FREQUENCY RANGE: 47 ~ 63Hz
POWER FACTOR (Typ.): PF>0.98/115Vac PF>0.93/230Vac PF>0.9/277Vac at full load
EFFICIENCY (Typ.): 94%
AC CURRENT (Typ.): 8.2A/115Vac 3.9A/230Vac 3.2A/277Vac
INRUSH CURRENT (Typ.): COLD START 20A/115Vac 40A/230Vac 50A/277Vac
LEAKAGE CURRENT: Earth leakage current <350μA(rms)@277Vac, touch current<100μA(rms) @ 277Vac

PROTECTION

SHORT CIRCUIT 5V: Constant current limiting for more than 5 seconds (Vout<30%) and then hiccup mode, recovers automatically after faul condition is removed
SHORT CIRCUIT 12V ~ 60V: Constant current limiting for more than 5 seconds (Vout<30%) and then shut down o/p voltage, AC re-power on to recover or Hiccup mode, recovery automatically after fault conditon is removed. Depends on the user's wire impedance
OVERLOAD 5V: 105%~150% rated output power; More than 5 seconds and then hiccup mode,recovers automatically after fault condition is removed
OVERLOAD 12V ~ 60V: Normally works within 105 ~ 200% rated output power for more than 5 seconds and then constant current limiting without shutdown(Vout>30%), recovers automatically after fault condition is removed, or shut down o/p voltage when Vout<30%,AC re-power on to recover >200% rated power, constant current limiting (Vout>30%)with auto-recovery after fault condition is removed, or shut down o/p voltage when Vout<30%,AC re-power on to recover
OVER VOLTAGE: 28 ~ 36V Protection type : Shut down o/p voltage, AC re-power on to recover
OVER TEMPERATURE: Shut down o/p voltage, recovers automatically after temperature goes down

FUNCTION

AUXILIARY POWER: 5Vaux @ 0.2A Tolerance -15% ~ +15% at main output 20% rated current 12Vaux @ 0.8A Tolerance -15% ~ +15% at main output 20% rated current
REMOTE CONTROL: POWER ON : short between RC+(pin11)&5V-AUX(pin13) on CN1 POWER OFF: open between RC+(pin11)&5V-AUX(pin13) on CN1
REMOTE SENSE: Compensate voltage drop on the load wiring up to 0.3V. Please refer to the Function Manual
DC OK SIGNAL: By phototransistor contact rating(max.):15Vdc/10mA resistive load. Please refer to the Function Manual.
FAN NOISE(Typ.): Fan ON/OFF control, RTH3≥50℃±10℃ FAN ON;RTH3≤40℃±10℃ FAN OFF 45dB

ENVIRONMENT

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

SAFETY & EMC

SAFETY STANDARDS^Note.5&6&7: CB IEC62368-1, IEC60335-1, IEC61558-1/-2-16, IEC61010-1/-2-201, IEC60601-1; IEC62477-1 DEKRA BS EN/EN62368-1, BS EN/EN60335-1, BS EN/EN61558-1/-2-16, BS EN/EN61010-1/-2-201, BS EN/EN60601-1(3.2 Version);BS EN/EN62477-1 UL UL62368-1, ANSI/AAMI ES60601-1(3.2 Version),UL61010-1/-2-201 CCC GB4943.1 BSMI CNS15598-1 EAC TP TC 004 SEMI F47 approved; KC/BIS KC62368-1 and BIS IS 13252(Part 1) certified, No stock ,contact sales by request
ISOLATION LEVEL^Note.8: Primary-Secondary: 2xMOPP, Primary-Earth: 1xMOPP, Secondary-Earth: 1xMOPP
OVER VOLTAGE CATEGORY^Note.9: IEC/EN 61558-1/-2-16 (OVC Ⅲ , altitude up to 2000M) IEC/EN/UL 62368-1 (OVC Ⅱ, altitude up to 5000M) IEC/EN 60335-1 (OVC Ⅱ, altitude up to 5000M) IEC/EN/ANSI/AAMI ES60601-1 (OVC Ⅱ, altitude up to 4000M) IEC/EN/UL 61010-1/-2-201 (OVC Ⅱ, altitude up to 5000M) IEC/EN 62477-1 (OVC Ⅱ, altitude up to 5000M)
SAFETY EXTRA-LOW VOLTAGE(SELV): IEC/EN 61558-2-16 (SELV, 5 ~ 36V) IEC/EN 60335-1 (SELV, 5 ~ 36V) IEC/EN/UL 62368-1 (SELV/ES1, 5 ~ 36V)
WITHSTAND VOLTAGE: I/P-O/P:4.2KVac I/P-FG:2.1KVac O/P-FG:1.5KVac
ISOLATION RESISTANCE: I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION: Parameter Standard Test Level

Conducted BS EN/EN55032(CISPR32),CNS 15936,GB/T 9254.1,KS C 9832 Class B
Conducted BS EN/EN55014-1(CISPR14-1)
Conducted BS EN/EN55011(CISPR11) Class B
Radiated BS EN/EN55032(CISPR32),CNS 15936,GB/T 9254.1,KS C 9832 Class B
Radiated BS EN/EN55014-1(CISPR14-1)
Radiated BS EN/EN55011(CISPR11) Class B
Harmonic Current BS EN/ EN61000-3-2(IEC61000-3-2),GB 17625.1 Class A
Voltage Flicker BS EN/ EN61000-3-3(IEC61000-3-3)
EMC IMMUNITY: BS EN/EN55035( CISPR35 ),BS EN/EN61000-6-2(IEC61000-6-2),B S EN/EN60601-1-2(IEC60601-1-2), BS EN/EN55014-2(CISPR14-2),KS C 9835,SEMI F47 tested at 200Vac

Parameter Standard Test Level

ESD BS EN/ EN61000-4-2 Level 4, 15KV air; Level 4, 8KV contact
Radiated BS EN/ EN61000-4-3 Level 3, 10V/m(80MHz~2.7GHz) Table 9, 9~28V/m(385MHz~5.78GHz)
EFT / Burst BS EN/ EN61000-4-4 Level 3, 2KV
Surge BS EN/ EN61000-4-5 Level 4, 2KV/Line-Line 4KV/Line-Earth
Conducted BS EN/ EN61000-4-6 Level 3, 10V
Magnetic Field BS EN/ EN61000-4-8 Level 4, 30A/m
Voltage Dips and Interruptions BS EN/ EN61000-4-11 >95% dip 0.5 periods, 30% dip 25 periods, >95% interruptions 250 periods

Parameter	Standard	Test Level
Conducted	BS EN/EN55032(CISPR32),CNS 15936,GB/T 9254.1,KS C 9832	Class B
Conducted	BS EN/EN55014-1(CISPR14-1)
Conducted	BS EN/EN55011(CISPR11)	Class B
Radiated	BS EN/EN55032(CISPR32),CNS 15936,GB/T 9254.1,KS C 9832	Class B
Radiated	BS EN/EN55014-1(CISPR14-1)
Radiated	BS EN/EN55011(CISPR11)	Class B
Harmonic Current	BS EN/ EN61000-3-2(IEC61000-3-2),GB 17625.1	Class A
Voltage Flicker	BS EN/ EN61000-3-3(IEC61000-3-3)

Parameter	Standard	Test Level
ESD	BS EN/ EN61000-4-2	Level 4, 15KV air; Level 4, 8KV contact
Radiated	BS EN/ EN61000-4-3	Level 3, 10V/m(80MHz~2.7GHz) Table 9, 9~28V/m(385MHz~5.78GHz)
EFT / Burst	BS EN/ EN61000-4-4	Level 3, 2KV
Surge	BS EN/ EN61000-4-5	Level 4, 2KV/Line-Line 4KV/Line-Earth
Conducted	BS EN/ EN61000-4-6	Level 3, 10V
Magnetic Field	BS EN/ EN61000-4-8	Level 4, 30A/m
Voltage Dips and Interruptions	BS EN/ EN61000-4-11	>95% dip 0.5 periods, 30% dip 25 periods, >95% interruptions 250 periods

OTHERS

MTBF: 1047.1 K hrs min. Telcordia SR-332 (Bellcore) ; 137.4K hrs min. MIL-HDBK-217F (25℃)
DIMENSION (L*W*H): 199*105*41mm
PACKING: 1.23Kg;9pcs/12.1Kg/0.63 CUFT

Certifications & ratings

SEMI F47: Voltage Sag Immunity Characteristics Verified

Test conditions and notes9

1. All parameters NOT specially mentioned are measured at 230Vac input, rated load and 25℃ of ambient temperature.
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. Tolerance: includes set up tolerance, line regulation and load regulation.
4. Derating may be need under low input voltages. Please refer to “STATIC CHARACTERISTIC” sections for details.
5. The Regulatory Compliance Mark (RCM) is applied on a voluntary basis. The equipment meets the relevant IEC or AS/NZS standards, or AS/NZS 3820 where applicable. The use of the RCM mark complies with AS/NZS 4417.1.
6. 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)
7. Some factory or model may not have the BIS logo, please contact your MEAN WELL sales for more information.
8. MOPP is suitable for 100-240Vac input only.
9. The ambient temperature derating of 3.5℃/1000m with fanless models and 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft)..

Technical drawings

NSP-750-24 Block Diagram — Block Diagram

NSP-750-24 Derating Curve — Derating Curve

NSP-750-24 P pk x t + Pnpk x (T-t) — P pk x t + Pnpk x (T-t)

NSP-750-24 2.Remote Control — 2.Remote Control

NSP-750-24 3.Remote Sense — 3.Remote Sense

NSP-750-24 4.DC_OK signal — 4.DC_OK signal

NSP-750-24 4.DC_OK signal (2) — 4.DC_OK signal (2)

NSP-750-24 Mechanical Specification — Mechanical Specification

NSP-750-24 Accessory List — Accessory List

NSP-750-24 Installation Diagram — Installation Diagram

Typical applications

Industrial automation machinery/control system
Security system
Mechanical and electrical equipment
Electronic instruments, equipments or apparatus
Network equipment
Telecom devices
Power sourcing equipment of PoE
Home automation
Medical devices
Charging application

Downloads

Datasheet1

NSP-750-24 datasheetNSP_750_spec.pdf · 2026-06-08 edition PDF Download

FAQ

What applications is the Mean Well NSP-750-24 designed for?

The NSP-750-24 is built for demanding 24V systems in industrial automation, telecommunications, mechanical equipment, home automation, and medical-related equipment. Its 751.2W output, 2xMOPP medical approval, low leakage current, and high-reliability design make it a strong fit where uptime and compliance matter.

Is the NSP-750-24 suitable for 24V loads up to 31.3A?

Yes. This model is rated for 24V output at up to 31.3A continuous current, which equals 751.2W total output power. Buyers sizing around a 24V system should check that their normal operating load stays within that continuous rating.

What input range does the NSP-750-24 support?

The NSP-750-24 accepts a universal 85-305VAC input and also supports 120-431VDC input. That wide range makes it practical for industrial and commercial projects that may face varying mains conditions across regions or installations.

Can the NSP-750-24 handle short peak-demand events?

Yes. The NSP-750 series supports 200% peak power capability for up to 5 seconds, which helps with brief surge demands during system operation. That is a useful differentiator for equipment with temporary high inrush or short burst loads, while the continuous rating remains 751.2W.

How does the NSP-750-24 perform in harsh environments?

This model is specified for operation from -40°C to +85°C, with output derating according to the datasheet derating curve, and it is designed for high-altitude use up to 5000 meters. It also uses a temperature-controlled built-in fan and includes overtemperature protection, which supports use in tougher industrial environments.

What monitoring and control features are available on the NSP-750-24?

The NSP-750-24 includes remote ON/OFF control, remote sense with up to 0.3V compensation, a DC OK signal, and auxiliary 5V/12V outputs. These features make it easier to integrate into monitored systems that need status feedback and tighter output management.

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