Image shown is a representation only. Exact specifications should be obtained from the product datasheet.

Mean Well NTU-1200-248AU True Sine Wave DC-AC Inverter 1200W 220V out 48V in with AU Socket

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-1200-248AU

Log in to see price Trade pricing & online ordering for account holders

In stock

Overview

NTU-1200-248AU is the model of this series: typical efficiency 93%.

NTU-1200 is a 1200W highly reliable off-grid true sine wave DC-AC power inverter with built-in UPS function(AC by-pass). 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 NTU-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

Built-in UPS function (AC by-pass)
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
-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

NTU-1200-248AUSpecifications from the official datasheet (2026-02-04 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: 48Vdc
VOLTAGE RANGE (Typ.): 40 ~ 66Vdc
DC CURRENT (Typ.): 30A
NO LOAD DISSIPATION (Typ.) NON-SAVING MODE: 25W
NO LOAD DISSIPATION (Typ.) SAVING MODE: Default disable, auto detect AC output load≦10W will be changed to saving mode <8W
OFF MODE CURRENT DRAW: ≦1mA
EFFICIENCY (Typ.)^Note.1: 93%
BATTERY TYPES: Lead Acid or li-ion

PROTECTION

FUSE (INTERNAL): 25A*2
LOW ALARM: 44±1Vdc
LOW SHUTDOWN: 40±1Vdc
LOW RESTART: 50±1Vdc
HIGH ALARM: 62±1Vdc
HIGH SHUTDOWN: 66±1Vdc
HIGH RESTART: 60±1Vdc
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: 10A
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)

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 ~ +158oF, 10 ~ 95% RH non-condensing
VIBRATION: 10 ~ 500Hz, 3G 10min./1cycle, 60min. each along X, Y, Z axes

SAFETY & EMC (Note.4)

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 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: 460.5K hrs min. Telcordia TR/SR-332 (Bellcore) ; 58.3K 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

NTU-1200-248AU AC Output Socket — AC Output Socket

NTU-1200-248AU DERATING CURVE — DERATING CURVE

NTU-1200-248AU IRC1/2/3 Remote Controller (Accessory — IRC1/2/3 Remote Controller (Accessory

NTU-1200-248AU Support RS-232 Communication — Support RS-232 Communication

NTU-1200-248AU AC Output Voltage、Frequency、Power — AC Output Voltage、Frequency、Power

NTU-1200-248AU FUNCTION MANUAL — FUNCTION MANUAL

NTU-1200-248AU MECHANICAL SPECIFICATION — MECHANICAL SPECIFICATION

NTU-1200-248AU Accessory List — Accessory List

NTU-1200-248AU TYPICAL APPLICATION — TYPICAL APPLICATION

Typical applications

Downloads

Certificates8

MeanWell NTS-1200 and NTU-1200 Certificate PDF Download

Catalogues1

Mean Well Catalog (Industrial) PDF Download

FAQ

What is the main purpose of the Mean Well NTU-1200-248AU?

The NTU-1200-248AU is a true sine wave DC-AC inverter designed to convert 48V DC input to AC output for professional power applications. This model is rated for 1200W continuous output and is suited to systems that require stable AC power from a DC battery source.

What kind of AC output does this inverter provide?

This model provides true sine wave AC output with total harmonic distortion below 3%. It is intended for applications where cleaner output waveform quality is preferred over modified sine wave alternatives.

What input and output voltage does the NTU-1200-248AU use?

The NTU-1200-248AU uses a 48V DC input (40 to 66Vdc range) and is factory set to 230V AC output at 50Hz. Its AC output voltage is selectable by DIP switch, with options of 200/220/230/240VAC.

Does this inverter support high startup or surge loads?

Yes. The NTU-1200-248AU is rated for 1200W continuous output and supports surge power up to 2000W. It also includes overload protection behavior with defined timing at higher load levels.

Does this model include UPS or bypass functionality?

Yes. This inverter includes a built-in UPS function with AC bypass. That makes it relevant for applications where continuity of AC output is important during source changes.

What battery types is the NTU-1200-248AU compatible with?

Mean Well specifies this model as suitable for both lead-acid and li-ion batteries. It also includes battery over-discharge protection through low voltage disconnect.

Can this inverter be used in demanding environmental conditions?

It is specified for operation from -25°C to +70°C, subject to the output derating curve. The unit also uses a built-in cooling fan and is rated for 10 to 500Hz, 3G vibration, which support use in tougher operating environments.

What protection and monitoring features are built into this model?

The NTU-1200-248AU includes protection for output short circuit, overload, over temperature, and DC input high voltage, along with battery low voltage disconnect. It also has front panel status indicators, remote on-off capability, and RS-232 communication support.

What approvals and warranty come with the NTU-1200-248AU?

This model is CB IEC62368-1 approved, and its design refers to AS/NZS 62368.1. The datasheet does not state a warranty period.

Payment & Security

Payment methods

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Model	Power	Voltage	Waveform	Frequency
Mean Well NTU-1200-148US True Sine Wave DC-AC Inverter 1200W 110V out 48V in with US Socket	1200W	110V	True Sine Wave	50Hz	View
Mean Well NTU-1200-112US True Sine Wave DC-AC Inverter 1200W 110V out 12V in with US Socket	1200W	110V	True Sine Wave	50Hz	View
Mean Well NTU-1200-224AU True Sine Wave DC-AC Inverter 1200W 220V out 24V in with AU Socket	1200W	220V	True Sine Wave	50Hz	View
Mean Well NTU-1200-212AU True Sine Wave DC-AC Inverter 1200W 200V out 12V in with AU Socket	1200W	200V	True Sine Wave	50Hz	View

Please log in to write a review.

{ "id":8434011504939, "variants" :[{ "context":"default", "variant_id": 45678041727275, "sku":"NTU-1200-248AU", "inventory_qty" : 5, "customer" :false, "custom_html" :"\u003ca class=\"text-current logged-out-price logged-out\" href=\"https:\/\/wellforces.co.nz\/customer_authentication\/redirect?locale=en\u0026region_country=NZ\"\u003e\n \u003cspan \u003ePlease \u003c\/span\u003e \u003cspan class=\"login-text\"\u003eLogin\u003c\/span\u003e \u003cspan\u003e for Pricing\u003c\/span\u003e\n \u003c\/a\u003e", "volume_html" :"\u003cvolume-pricing class=\"parent-display inside_product_form\" id=\"volume-pricing-main\" \u003e\u003c\/volume-pricing\u003e" } ] }