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Mean Well NTS-750-224AU True Sine Wave DC-AC Inverter 750W 230V out 24V in with AU Socket

fanless designhigh efficiency up to 93%200% peak power capabilitybuilt-in dip switch to adjust AC output voltagefrequency and work mode

SKU NTS-750-224AU

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Overview

NTS-750-224AU is the model of this series: typical efficiency 93%.

NTS-750 is a 750W highly reliable off-grid true sine wave DC-AC power inverter. Its key features include: digital design with MCU control, streamlined control circuitry that quickly responds to environmental changes and improves reliability, high quality fan with low acoustic noise, 1500W peak power, adjustable AC output voltage and frequency, -25~+70℃ wide operating temperature range, complete protection features, and etc. combined with batteries, the NTS-750 is suitable for use in residential, commercial, marine, automobile, mine, construction site, and remote areas with no access to utility power, and the output can be used to power fans, TV, radio, phone charger, PC/laptop, lighting, electromechanical tool, communication equipment, power distribution cabinet, outdoor camping equipment, marine AC power, factory equipment, and etc.

Features

Compact size and light weight
True sine wave output (THD<3%)
High surge power up to 1500W
Temperature controlled cooling fan
AC output voltage and frequency selectable by DIP S.W
No load dissipation <1.5W at standby saving mode
-25℃~+70℃ wide operating temperature
Power ON-OFF remote control
Front panel indicator for operation status
Protections : Input : Reverse polarity / DC low alarm / DC low shutdown / Over voltage Output : Short circuit / Overload / Over temp.
Battery over discharge protection(Low voltage disconnect)
Suitable for lead-acid or li-ion batteries
Remote controller (IRC1, IRC2, IRC3 accessory sold separate, please refer to: https://www.meanwell.com/webapp/product/search.aspx?prod=IRC1)
Support RS-232 communication(Communication cable order No.: RJ11-RS232, sold sperately)
Carry handle accessory available(Order NO.: Carry handle, sold separately)
Conformal coating
3 years warranty

Specifications

NTS-750-224AUSpecifications from the official datasheet (2024-10-30 edition)

AC OUTPUT

RATED POWER(Continuous): 750W
OVER RATED POWER(3 Min.): 862W
PEAK POWER(10 Sec.): 1125W
SURGE POWER(30 Cycles): 1500W
AC VOLTAGE: Default setting set at 230VAC 200 / 220 / 230 / 240Vac selectable by DIP S.W
FREQUENCY: Default setting set at 50Hz±0.1Hz 50/60Hz selectable by DIP S.W
WAVEFORM^Note.1: True sine wave (THD<3%)
AC REGULATION: ±3.0% at rated output voltage
FRONT PANEL LED: Please see page5

DC INPUT

DC VOLTAGE: 24V
VOLTAGE RANGE (Typ.): 20 ~ 33Vdc
DC CURRENT (Typ.): 38A
NO LOAD NON-SAVING MODE: 10W
DISSIPATION (Typ.) SAVING MODE: 1.4W
OFF MODE CURRENT DRAW: ≦1mA
EFFICIENCY (Typ.)^Note.1: 93%
BATTERY TYPES: Lead Acid or li-ion

PROTECTION

FUSE (Internal): 40A*2
DC INPUT LOW ALARM: 22±0.5Vdc
DC INPUT LOW SHUTDOWN: 20±0.5Vdc
DC INPUT LOW RESTART: 25±0.5Vdc
DC INPUT HIGH ALARM: 31±0.5Vdc
DC INPUT HIGH SHUTDOWN: 33±0.5Vdc
DC INPUT HIGH RESTART: 30±0.5Vdc
BAT. POLARITY: By internal fuse open
OVER TEMPERATURE: Protection type : Shut down o/p voltage, re-power on to recover(except 112/124GFCI) Shut down o/p voltage,recovers automatically after temperature goes down(for 112/124GFCI)
OUTPUT SHORT: Protection type : Shut down o/p voltage, re-power on to recover
OVER LOAD (Typ.): 105 ~ 115% load for 180 sec., 115% ~ 150% load for 10 sec. Protection type : Shut down o/p voltage, re-power on to recover
GFCI PROCTECTION: None

FUNCTION

REMOTE CONTROL DRY CONTACT: Power ON-OFF remote control by front panel dry contact connector (by RELAY), Open : Normal work ; Short : Remote off
REMOTE CONTROL ACCESSORY: Remote controller sold separately, Order No.: IRC1,IRC2,IRC3
RS-232 COMMUNICATION: RS-232 ~ RJ11 Type connector (Please refer to page 4 for more details)

ENVIRONMENT

WORKING TEMP.: -25 ~ +70℃(Refer to “Derating curve”)
WORKING HUMIDITY: 20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY: -30 ~ +70℃ / -22 ~ +158oF, 10 ~ 95% RH non-condensing
VIBRATION: 10 ~ 500Hz, 3G 10min./1cycle, 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS: CB IEC62368-1,Dekra BS EN/EN62368-1,UL458, E13,EAC TP TC 004 approved;Design refer to AS/NZS 62368.1 (Please refer to next page “AC output socket” table for more details )
WITHSTAND VOLTAGE: DC I/P - AC O/P:3.0KVac AC O/P - FG:1.5KVac
EMC EMISSION^Note.4: Parameter Standard Test Level

FCC for 112,124,148 only(expect for Type-UN) Radiated Class A
BS EN/EN55032(CISPR32) for 212,224,248 only(expect for Type-UN) Radiated Class A
Harmonic Current BS EN/EN61000-3-2
Voltage Flicker BS EN/EN61000-3-3 -----; BS EN/EN55024, BS EN/EN55035
EMC IMMUNITY^Note.4: Parameter Standard Test Level

ESD BS EN/EN61000-4-2 Level 3, 8KV air; Level 2, 4KV contact
Radiated BS EN/EN61000-4-3 Level 2, 3V/m
Magnetic Field BS EN/EN61000-4-8 Level 1, 1A/m

Parameter	Standard	Test Level
FCC for 112,124,148 only(expect for Type-UN)	Radiated	Class A
BS EN/EN55032(CISPR32) for 212,224,248 only(expect for Type-UN)	Radiated	Class A
Harmonic Current	BS EN/EN61000-3-2
Voltage Flicker	BS EN/EN61000-3-3	-----; BS EN/EN55024, BS EN/EN55035

Parameter	Standard	Test Level
ESD	BS EN/EN61000-4-2	Level 3, 8KV air; Level 2, 4KV contact
Radiated	BS EN/EN61000-4-3	Level 2, 3V/m
Magnetic Field	BS EN/EN61000-4-8	Level 1, 1A/m

OTHERS

MTBF: 715.7K hrs min. Telcordia TR/SR-332 (Bellcore) ; 78K hrs min. MIL-HDBK-217F (25℃)
DIMENSION: 270*158*67mm (L*W*H)
PACKING: 2.3Kg; 4pcs/ 10.2Kg/ 1.9CUFT

Test conditions and notes4

1.Efficiency, AC regulation and THD are tested by 600W, linear load at 12.5Vdc/25Vdc/50Vdc input voltage.
2.All parameters not specified above are measured at rated load, 25℃ of ambient temperature and set to factory setting.
3.Internal pre-start circuit, the setup time is 8s.
4.The power supply is considered as an independent unit, but the final equipment still need to re-confirm that the whole system complies with the 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 )

Technical drawings

NTS-750-224AU AC Output Socket — AC Output Socket

NTS-750-224AU DERATING CURVE — DERATING CURVE

NTS-750-224AU IRC1/2/3 Remote Controller (Accessory — IRC1/2/3 Remote Controller (Accessory

NTS-750-224AU Support RS-232 Communication — Support RS-232 Communication

NTS-750-224AU AC Output Voltage、Frequency、Power — AC Output Voltage、Frequency、Power

NTS-750-224AU MECHANICAL SPECIFICATION — MECHANICAL SPECIFICATION

NTS-750-224AU Accessory List — Accessory List

NTS-750-224AU TYPICALTYPICAL APPLICATIONAPPLICATION — TYPICALTYPICAL APPLICATIONAPPLICATION

Typical applications

Downloads

Certificates6

MeanWell NTS-750 Certificate PDF Download

FAQ

What is the Mean Well NTS-750-224AU designed for?

The NTS-750-224AU is a 750W true sine wave DC-AC inverter that converts 24V DC input to 230V AC output. It is suited to business and mobile power applications that need clean AC power from a 24V battery-based system. This model includes an AU socket and is part of Mean Well's NTS series.

Does this inverter produce true sine wave output?

Yes. The NTS-750-224AU provides a true sine wave output with total harmonic distortion below 3%. That makes it a better fit for equipment that is sensitive to output waveform quality than a modified sine wave inverter.

What are the main electrical specifications of the NTS-750-224AU?

This model is rated at 750W continuous power with 24V DC input and 230V AC output. It also supports high surge power up to 1500W. AC output voltage and frequency are selectable by DIP switch within the listed supported ranges.

Can the NTS-750-224AU be used with different battery types?

Yes. Mean Well specifies this inverter as suitable for both lead-acid and lithium-ion batteries. It also gives a DC input low-voltage alarm at 22V and shuts down at 20V (restart at 25V) to help protect the power source.

Is this inverter suitable for demanding temperature conditions?

Yes. The NTS-750-224AU is specified for a working temperature range of -25°C to +70°C, with load derating at higher temperatures per the manufacturer's derating curve. It is fan cooled and shuts down its output on over-temperature.

What protection and monitoring features are included?

This inverter includes protection for output short circuit, overload, over-temperature, and DC input low and high voltage (shutdown at 20V and 33V). It also has front panel status LEDs and supports power on-off remote control. Remote controller accessories are available separately.

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Model	Power	Voltage	Waveform	Frequency
Mean Well NTS-750-248AU True Sine Wave DC-AC Inverter 750W 230V out 48V in with AU Socket	750W	230V	True Sine Wave	50Hz	View
Mean Well NTS-750-212AU True Sine Wave DC-AC Inverter 750W 230V out 12V in with AU Socket	750W	230V	True Sine Wave	50Hz	View

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