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Mean Well NTS-1200-212AU True Sine Wave DC-AC Inverter 1200W 230V out 12V 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-1200-212AU

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Overview

NTS-1200-212AU is the model of this series: typical efficiency 90%.

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-1200-212AUSpecifications 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: 12Vdc
VOLTAGE RANGE (Typ.): 10 ~ 16.5Vdc
DC CURRENT (Typ.): 120A
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 1.2W
OFF MODE CURRENT DRAW: ≦1mA
EFFICIENCY (Typ.)^Note.1: 90%
BATTERY TYPES: Lead Acid or li-ion

PROTECTION

DC INPUT FUSE (INTERNAL): 40A*4
DC INPUT LOW ALARM: 11±0.3Vdc
DC INPUT LOW SHUTDOWN: 10±0.3Vdc
DC INPUT LOW RESTART: 12.5±0.3Vdc
DC INPUT HIGH ALARM: 15.5±0.3Vdc
DC INPUT HIGH SHUTDOWN: 16.5±0.3Vdc
DC INPUT HIGH RESTART: 15±0.3Vdc
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-1200-212AU AC Output Socket — AC Output Socket

NTS-1200-212AU DERATING CURVE — DERATING CURVE

NTS-1200-212AU IRC1/2/3 Remote Controller (Accessory — IRC1/2/3 Remote Controller (Accessory

NTS-1200-212AU Support RS-232 Communication — Support RS-232 Communication

NTS-1200-212AU AC Output Voltage、Frequency、Power — AC Output Voltage、Frequency、Power

NTS-1200-212AU MECHANICAL SPECIFICATION — MECHANICAL SPECIFICATION

NTS-1200-212AU Accessory List — Accessory List

NTS-1200-212AU TYPICALTYPICAL APPLICATIONAPPLICATION — TYPICALTYPICAL APPLICATIONAPPLICATION

Typical applications

Downloads

Certificates8

MeanWell NTS-1200 and NTU-1200 Certificate PDF Download

FAQ

What is the Mean Well NTS-1200-212AU designed for?

The NTS-1200-212AU is a 1200W true sine wave DC-AC inverter that converts 12V DC input to 230V AC output. It is suited to business and mobile power applications that need clean AC power from a 12V battery-based system.

Is the output true sine wave or modified sine wave?

This model provides a true sine wave output with THD below 3%. That makes it a better fit for equipment that needs cleaner AC power than a modified sine wave inverter can provide.

What are the input and output ratings of this inverter?

This model is rated for 12V DC input and 230V AC output, with a continuous power rating of 1200W. It also supports high surge power up to 2000W for short demand peaks.

Can this inverter be used with lead-acid and lithium-ion batteries?

Yes. The datasheet lists lead-acid or li-ion as the supported battery types for the NTS-1200-212AU. It also has a DC input low-voltage alarm at 11V and shutdown at 10V, restarting at 12.5V.

Is this inverter suitable for demanding 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 flag over-temperature or fan-lock conditions.

What protection features are included in the NTS-1200-212AU?

This inverter shuts down its output on short circuit, overload and over temperature, and monitors the 12V input with a low-voltage alarm and shutdown (11V/10V) and a high-voltage shutdown at 16.5V. Front panel indicators provide operating status, and the AC output protections require re-powering the unit to recover.

Does this model support remote monitoring or control accessories?

Yes. The NTS-1200-212AU supports power on-off remote control and is compatible with optional IRC1, IRC2, and IRC3 remote controllers, sold separately. It also supports RS-232 communication with a separate communication cable.

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