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Mean Well NTU-2200-212AU True Sine Wave DC-AC Inverter 2200W 220V out 12V in with AU Socket, with AC by-pass function

built-in UPS function(AC by-pass)built-in dip switch to adjust AC output voltagefrequency and saving modecan be remotely controlled by IRC controllers

SKU NTU-2200-212AU

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Overview

NTU-2200-212AU is the model of this series: typical efficiency 90%.

NTU-2200 is a 2200W highly reliable off-grid true sine wave DC-AC power inverter with built-in UPS function. 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, 4400W peak power, adjustable AC output voltage and frequency, -25~+70℃ wide operating temperature range, complete protection features, and etc. Combined with batteries, the NTU-2200 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

Built-in UPS function (AC by-pass)
True sine wave output (THD<3%)
High surge power up to 4400W
Temperature controlled cooling fan
AC output voltage and frequency selectable by DIP S.W
-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 ly, 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

NTU-2200-212AUSpecifications from the official datasheet (2026-02-04 edition)

AC OUTPUT

RATED POWER(Continuous): 2200W
OVER RATED POWER(3 Min.): 2530W
PEAK POWER(10 Sec.): 3300W
SURGE POWER(30 Cycles): 4400W
AC VOLTAGE: Factory setting set at 230VAC 200 / 220 / 230 / 240Vac selectable by DIP S.W
FREQUENCY: Factory 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: 12Vdc
VOLTAGE RANGE (Typ.): 10 ~ 16.5Vdc
DC CURRENT (Typ.): 250A
NO LOAD DISSIPATION (SAVING MODE)(Typ.)^Note.2: Default disable, auto detect AC output load≦10W will be changed to saving mode <15W
OFF MODE CURRENT DRAW: ≦2mA
EFFICIENCY (Typ.)^Note.1: 90%
BATTERY TYPES: Lead Acid or li-ion

PROTECTION

FUSE (INTERNAL): 40A*8
LOW ALARM: 11±0.3Vdc
LOW SHUTDOWN: 10±0.3Vdc
LOW RESTART: 12.5±0.3Vdc
HIGH ALARM: 15.5±0.3Vdc
HIGH SHUTDOWN: 16.5±0.3Vdc
HIGH RESTART: 15±0.3Vdc
BAT. POLARITY: By internal fuse open
OVER TEMPERATURE: Protection type : Shut down o/p voltage, re-power on to recover
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
CIRCUIT BREAKER: 15A
TB TYPE: None

FUNCTION CONTROL

REMOTE CONNECTOR: Power ON-OFF remote control by front panel dry contact connector(by RELAY), Open : Normal work ; Short : Remote off
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)

AC UPS MODE

AC INPUT RANGE: 200/220/230/240Vac±16%, recover±13%
FREQUENCY RANGE: 45 ~ 65Hz
TRASFER TIME(Typ.): 10ms inverter AC by pass

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 Seal BS EN/ EN62368-1,UL458, E13,EAC TP TC 004,AS/NZS 62368.1 approved (Please refer to next page “AC output socket” table for more details )
WITHSTAND VOLTAGE: DC I/P - AC I/P:3.0KVAC 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
Conducted FCC for 112,124,148 only(expect for Type-UN) Class A
Conducted BS EN/ EN55032(CISPR32) for 212,224,248 only(expect for Type-UN) Class A
Harmonic Current BS EN/EN61000-3-2 Class A
Voltage Flicker BS EN/EN61000-3-3
EMC IMMUNITY: 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
EFT / Burst BS EN/EN61000-4-4 Level 2, 1KV
Surge BS EN/EN61000-4-5 Level 3, 1KV/Line-Line 2KV/Line-Earth
Conducted BS EN/EN61000-4-6 Level 2
Magnetic Field BS EN/EN61000-4-8 Level 1
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
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
Conducted	FCC for 112,124,148 only(expect for Type-UN)	Class A
Conducted	BS EN/ EN55032(CISPR32) for 212,224,248 only(expect for Type-UN)	Class A
Harmonic Current	BS EN/EN61000-3-2	Class A
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
EFT / Burst	BS EN/EN61000-4-4	Level 2, 1KV
Surge	BS EN/EN61000-4-5	Level 3, 1KV/Line-Line 2KV/Line-Earth
Conducted	BS EN/EN61000-4-6	Level 2
Magnetic Field	BS EN/EN61000-4-8	Level 1
Voltage Dips and Interruptions	BS EN/EN61000-4-11	>95% dip 0.5 periods, 30% dip 25 periods, >95% interruptions 250 periods

OTHERS

MTBF: 344.9K hrs min. Telcordia TR/SR-332 (Bellcore) ; 34.8K hrs min. MIL-HDBK-217F (25℃)
DIMENSION: 420*270*98mm (L*W*H)
PACKING: 8.6Kg; 1pcs/ 10.4Kg/ 1.39CUFT

Test conditions and notes5

1.Efficiency, AC regulation and THD are tested by 1650W load, linear load at 12.5Vdc/25Vdc/50Vdc input voltage.
2.No load dissipation at non-saving mode(Typ.): 112/124/148 for 25W, 212/224/248 for 55W.
3.All parameters not specified above are measured at rated load, 25℃ of ambient temperature and set to factory setting.
4.Internal pre-start circuit, the setup time is 8s.
5.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

NTU-2200-212AU AC Output Socket — AC Output Socket

NTU-2200-212AU DERATING CURVE — DERATING CURVE

NTU-2200-212AU Block Diagram — Block Diagram

NTU-2200-212AU IRC1/2/3 Remote Controller (Accessory — IRC1/2/3 Remote Controller (Accessory

NTU-2200-212AU Support RS-232 Communication — Support RS-232 Communication

NTU-2200-212AU AC Output Voltage、Frequency、Power — AC Output Voltage、Frequency、Power

NTU-2200-212AU FUNCTION MANUAL — FUNCTION MANUAL

NTU-2200-212AU MECHANICAL SPECIFICATION — MECHANICAL SPECIFICATION

NTU-2200-212AU Accessory List — Accessory List

NTU-2200-212AU ※ Terminal protector mating along with NTU-2200… — ※ Terminal protector mating along with NTU-2200…

NTU-2200-212AU Illustration (page 9) — Illustration (page 9)

NTU-2200-212AU TYPICALTYPICAL APPLICATIONAPPLICATION — TYPICALTYPICAL APPLICATIONAPPLICATION

Typical applications

Downloads

Catalogues1

Mean Well Catalog (Industrial) PDF Download

FAQ

What is the main use case for the Mean Well NTU-2200-212AU inverter?

This model is a 2200W true sine wave DC-AC inverter designed for applications that need stable AC power from a 12V DC source. It is suited to business and industrial use cases where clean waveform output and higher surge capability are important. The built-in AC by-pass function also makes it relevant for systems that need UPS-style power continuity.

Does the NTU-2200-212AU provide true sine wave output?

Yes. The NTU-2200-212AU provides true sine wave AC output with total harmonic distortion below 3%, which helps support equipment that is sensitive to output waveform quality. This is a key differentiator versus modified sine wave inverter types.

What input and output ratings should buyers know for this model?

This inverter is rated at 2200W output power and uses a 12V DC input (10 ~ 16.5Vdc range). Its AC output is factory set at 230VAC and can be selected by DIP switch from 200/220/230/240VAC. The product variant includes an AU socket.

Can the NTU-2200-212AU handle startup surges above its continuous rating?

Yes. Mean Well specifies high surge power up to 4400W, which is useful for loads that draw extra power briefly at startup. For overload behavior, the unit supports 105 to 115% load for 180 seconds and 115 to 150% load for 10 seconds.

Does this inverter include AC by-pass or UPS-related functionality?

Yes. The NTU-2200-212AU has a built-in UPS function with AC by-pass. That makes it suitable for applications where the system needs to switch through available AC power while retaining inverter capability as part of the power setup.

What battery types is the NTU-2200-212AU compatible with?

Mean Well specifies this model as suitable for lead-acid or lithium-ion batteries. It also includes battery over-discharge protection through low voltage disconnect, which helps protect the connected battery system from excessive discharge.

Is the NTU-2200-212AU suitable for demanding environmental conditions?

Yes. The published working temperature range is -25°C to +70°C, with reference to the output derating curve. The unit also uses a cooling fan, with over-temperature and fan-lock status shown on the front panel LEDs, and is specified for 10 ~ 500Hz, 3G vibration.

What certifications does this inverter include?

The NTU-2200 series is listed with safety approvals including CB IEC62368-1, EN62368-1, E13, EAC TP TC 004, and AS/NZS 62368.1, with approvals depending on the AC socket type (see the sheet's AC output socket table; UL458 applies only to the TB socket type of the 112/124/148 models). EMC compliance for this 212 model includes EN55032 Class A emissions and EN61000-4 immunity standards.

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Model	Power	Voltage	Waveform	Frequency
Mean Well NTU-2200-148US True Sine Wave DC-AC Inverter 2200W 110V out 48V in with US Socket, with AC by-pass function	2200W	110V	True Sine Wave	50Hz	View
Mean Well NTU-2200-124US True Sine Wave DC-AC Inverter 2200W 110V out 24V in with US Socket, with AC by-pass function	2200W	110V	True Sine Wave	50Hz	View
Mean Well NTU-2200-248AU True Sine Wave DC-AC Inverter 2200W 220V out 48V in with AU Socket, with AC by-pass function	2200W	240V	True Sine Wave	50Hz	View
Mean Well NTU-2200-224AU True Sine Wave DC-AC Inverter 2200W 220V out 24V in with AU Socket, with AC by-pass function	2200W	220V	True Sine Wave	50Hz	View

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