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Mean Well NTS-1200-224AU True Sine Wave DC-AC Inverter 1200W 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-1200-224AU

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Overview

NTS-1200-224AU is the model of this series: typical efficiency 92%.

NTS-1200 is a 1200W 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, 2000W peak power, adjustable AC output voltage and frequency, -25~+70℃ wide operating temperature range, complete protection features, and etc. Combined with batteries, the NTS-1200 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, induction stove, air conditioner, electromechanical tool, communication equipment, power distribution cabinet, outdoor camping equipment, marine AC power, factory equipment, and etc.

Features

True sine wave output (THD<3%)
High surge power up to 2000W
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 separately, 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-1200-224AUSpecifications from the official datasheet (2024-10-30 edition)

AC OUTPUT

RATED POWER(Continuous): 1200W
OVER RATED POWER(3 Min.): 1380W
PEAK POWER(10 Sec.): 1800W
SURGE POWER(30 Cycles): 2000W
AC VOLTAGE: Default setting set at 230VAC 200 / 220 / 230 / 240Vac selectable by DIP S.W
FREQUENCY: Default setting set at 50±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 page 5

DC INPUT

DC VOLTAGE: 24Vdc
VOLTAGE RANGE (Typ.): 20 ~ 33Vdc
DC CURRENT (Typ.): 60A
NO LOAD DISSIPATION (Typ.) NON-SAVING MODE: 25W
NO LOAD DISSIPATION (Typ.) SAVING MODE: Default disable, ≦1.2W ~1.5W by models @ auto detect AC output load≦10W will be changed to saving mode 1.4W
OFF MODE CURRENT DRAW: ≦1mA
EFFICIENCY (Typ.)^Note.1: 92%
BATTERY TYPES: Lead Acid or li-ion

PROTECTION

DC INPUT 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
DC INPUT BAT. POLARITY: By internal fuse open
AC OUTPUT OVER TEMPERATURE: Protection type : Shut down o/p voltage, re-power on to recover
AC OUTPUT OUTPUT SHORT: Protection type : Shut down o/p voltage, re-power on to recover
AC OUTPUT 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
AC OUTPUT CIRCUIT BREAKER (ONLY FOR “GFCI”AC SOCKET): 10A
AC OUTPUT GFCI PROCTECTION: None

FUNCTION

REMOTE CONTROL CONNECTOR: 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 ~ +158°F, 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: Parameter Standard Test Level

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

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

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: 596.7K hrs min. Telcordia TR/SR-332 (Bellcore) ; 62.0K hrs min. MIL-HDBK-217F (25℃)
DIMENSION: 333*184*70mm (L*W*H)
PACKING: 3.3Kg; 2pcs/ 7.6Kg/ 1.25CUFT

Test conditions and notes4

1.Efficiency, AC regulation and THD are tested by 900W load, 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-1200-224AU AC Output Socket — AC Output Socket

NTS-1200-224AU DERATING CURVE — DERATING CURVE

NTS-1200-224AU IRC1/2/3 Remote Controller (Accessory — IRC1/2/3 Remote Controller (Accessory

NTS-1200-224AU Support RS-232 Communication — Support RS-232 Communication

NTS-1200-224AU AC Output Voltage、Frequency、Power — AC Output Voltage、Frequency、Power

NTS-1200-224AU MECHANICAL SPECIFICATION — MECHANICAL SPECIFICATION

NTS-1200-224AU Accessory List — Accessory List

NTS-1200-224AU TYPICALTYPICAL APPLICATIONAPPLICATION — TYPICALTYPICAL APPLICATIONAPPLICATION

Typical applications

Downloads

Certificates8

MeanWell NTS-1200 and NTU-1200 Certificate PDF Download

FAQ

What is the Mean Well NTS-1200-224AU designed for?

The NTS-1200-224AU is a 1200W true sine wave DC-AC inverter that converts 24V DC input power to 230V AC output. It is suited to business and mobile power applications where clean AC output is needed for sensitive equipment.

Does this inverter provide true sine wave output?

Yes. This model produces a true sine wave output with total harmonic distortion below 3%, which helps support stable operation for equipment that is sensitive to power quality. That makes it a stronger choice than modified sine wave alternatives for many electronics and appliances.

What are the input and output ratings for this model?

This specific model is rated at 1200W, with 24V DC input and 230V AC output. It also supports high surge power up to 2000W for short-duration demand above its continuous rating.

Can the NTS-1200-224AU be used with different battery types?

Yes. Mean Well specifies this inverter as suitable for both lead-acid and lithium-ion battery systems. It also has a DC input low-voltage alarm at 22V and shutdown at 20V, restarting at 25V.

Is this inverter suitable for harsh or variable temperature environments?

It is designed for a wide operating temperature range of -25°C to +70°C, subject to the output derating curve. The unit is cooled by a built-in fan, and the front panel LEDs warn of over temperature or fan lock.

What protection features are included in this inverter?

The NTS-1200-224AU shuts down its output on short circuit, overload and over temperature, and monitors the 24V input with a low-voltage alarm and shutdown (22V/20V) and a high-voltage shutdown at 33V. For these AC output protections, the unit requires re-powering to recover.

Does this model include any monitoring or remote control options?

Yes. It supports power on-off remote control, has front panel status indicators, and can support RS-232 communication. Remote controllers and the communication cable are listed as separate accessories rather than included items.

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