MEAN WELL NTS-1200 Series 1200W High Reliable True Sine Wave DC-AC Power Inverter

Overview

The MEAN WELL NTS-1200 is a highly reliable 1200W off-grid true sine wave DC-AC power inverter. It features digital design with MCU control, streamlined circuitry for quick response, a low-noise fan, 2000W peak power capability, and adjustable AC output voltage and frequency. With a wide operating temperature range of -25℃ to +70℃ and comprehensive protection features, it is suitable for various applications including residential, commercial, marine, automotive, mining, and remote areas lacking utility power.

Key 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 range
? Power ON-OFF remote control
? Front panel indicator for operation status
?️ Protections: Input Reverse Polarity, DC Low Alarm/Shutdown, Over Voltage; Output Short Circuit, Overload, Over Temperature; Battery Over Discharge Protection (Low Voltage Disconnect).
? Suitable for lead-acid or li-ion batteries
? Remote controller accessory available (IRC1, IRC2, IRC3 - sold separately)
? Support RS-232 communication (Communication cable order No.: RJ11-RS232, sold separately)
? Carry handle accessory available (Order No.: Carry handle, sold separately)
?️ Conformal coating
✅ 3 years warranty

Description

The NTS-1200 inverter is designed for high reliability and efficiency. Its digital MCU control ensures precise management of environmental changes, enhancing overall dependability. The unit is equipped with a quiet, temperature-controlled fan and offers a 2000W peak power capacity. Users can select AC output voltage and frequency via DIP switches. The inverter's broad operating temperature range and robust protection mechanisms make it ideal for demanding applications. It can power a wide array of devices including fans, TVs, radios, PCs, laptops, induction stoves, air conditioners, electromechanical tools, and communication equipment, particularly in off-grid or remote locations.

Model Encoding

The model number follows a structure that indicates its specifications:

NTS - 1200 - [Output Socket Type] - [DC Input Voltage] - [AC Output Voltage]

NTS - 1200: Series name and rated wattage (1200W).
[Output Socket Type]: e.g., US, GFCI, UN, EU, CN, AU, UK.
[DC Input Voltage]: e.g., 12 (12Vdc), 24 (24Vdc), 48 (48Vdc).
[AC Output Voltage]: e.g., 1 (100/110/115/120Vac), 2 (200/220/230/240Vac).

Example: NTS-1200-112 US indicates a 1200W inverter with a US socket, 12Vdc input, and 110/120Vac output.

Specifications

MODEL NO.	NTS-1200-112 NTS-1200-124 NTS-1200-148			NTS-1200-212 NTS-1200-224 NTS-1200-248
MODEL NO.	= US, GFCI, UN	= EU, CN, AU, UK, UN
RATED POWER (Continuous)	1200W
OVER RATED POWER (3 Min.)	1380W
PEAK POWER (10 Sec.)	1800W
SURGE POWER (30 Cycles)	2000W
AC OUTPUT	AC VOLTAGE	Default setting set at 110VAC 100/110/115/120Vac selectable by DIP S.W		Default setting set at 230VAC 200/220/230/240Vac selectable by DIP S.W
AC OUTPUT	FREQUENCY	Default setting set at 60±0.1Hz 50/60Hz selectable by DIP S.W		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	24Vdc	48Vdc	12Vdc	24Vdc	48Vdc
	VOLTAGE RANGE (Typ.)	10~16.5Vdc	20~33Vdc	40~66Vdc	10~16.5Vdc	20~33Vdc	40~66Vdc
	DC CURRENT (Typ.)	120A	60A	30A	120A	60A	30A
	NO LOAD DISSIPATION (Typ.)	15W	25W	Default disable, ≤1.2W~1.5W by models @ auto detect AC output load≤ 10W will be changed to saving mode
EFFICIENCY (Typ.) Note.1	89%	91%	91.5%	90%	92%	93%
BATTERY TYPES	Lead Acid or li-ion
FUSE (INTERNAL)	40A*4	40A*2	25A*2	40A*4	40A*2	25A*2
DC INPUT PROTECTION	LOW VOLTAGE	ALARM	11±0.3Vdc	22±0.5Vdc	44±1Vdc	11±0.3Vdc	22±0.5Vdc	44±1Vdc
		SHUTDOWN	10±0.3Vdc	20±0.5Vdc	40±1Vdc	10±0.3Vdc	20±0.5Vdc	40±1Vdc
		RESTART	12.5±0.3Vdc	25±0.5Vdc	50±1Vdc	12.5±0.3Vdc	25±0.5Vdc	50±1Vdc
	HIGH VOLTAGE	ALARM	15.5±0.3Vdc	31±0.5Vdc	62±1Vdc	15.5±0.3Vdc	31±0.5Vdc	62±1Vdc
		SHUTDOWN	16.5±0.3Vdc	33±0.5Vdc	66±1Vdc	16.5±0.3Vdc	33±0.5Vdc	66±1Vdc
		RESTART	15±0.3Vdc	30±0.5Vdc	60±1Vdc	15±0.3Vdc	30±0.5Vdc	60±1Vdc
BAT. POLARITY	By internal fuse open
AC OUTPUT PROTECTION	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 (ONLY FOR "GFCI"AC SOCKET)	15A (for US, GFCI, UN) / 10A (for EU, CN, AU, UK, UN)
GFCI PROCTECTION	UL458 (Only for "GFCI" AC socket, by request) None
FUNCTION CONTROL	REMOTE CONNECTOR	Power ON-OFF remote control by front panel dry contact connector (by RELAY). Open: Normal work; Short: Remote off. Remote controller sold separately, Order No.: IRC1,IRC2,IRC3
FUNCTION CONTROL	RS-232 COMMUNICATION	RS-232-RJ11 Type connector (Please refer to page 4 for more details)
ENVIRONMENT	WORKING TEMP.	-25~+70°C (Refer to "Derating curve")
	WORKING HUMIDITY	20% ~ 90% RH non-condensing
	STORAGE TEMP., HUMIDITY	-30~+70°C / -22~+158°F, 10~95% RH non-condensing
VIBRATION	10~500Hz, 3G 10min./1cycle, 60min. each along X, Y, Z axes
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)
SAFETY STANDARDS	WITHSTAND VOLTAGE	DC I/P - AC O/P:3.0KVac; AC O/P - FG:1.5KVac
SAFETY & EMC (Note.4)	EMC EMISSION	Parameter	Standard	Test Level / Note
	EMC EMISSION	Radiated	FCC for 112,124,148 only(expect for Type-UN) / 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	Parameter	Standard	Test Level / Note
	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
MTBF	596.7K hrs min. Telcordia TR/SR-332 (Bellcore) ; 62.0K hrs min. MIL-HDBK-217F (25°C)
DIMENSION	33318470mm (LWH)
PACKING	3.3Kg; 2pcs/ 7.6Kg/ 1.25CUFT

Note: 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°C 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 http://www.meanwell.com)

Product Liability Disclaimer: For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

AC Output Sockets

MODEL NO.	NTS-1200-112	NTS-1200-124	NTS-1200-148	NTS-1200-212	NTS-1200-224	NTS-1200-248
Socket type	TYPE-US [US Socket]	TYPE-GFCI [GFCI Socket]	TYPE-UN [Universal Socket]	TYPE-EU [EU Socket]	TYPE-CN [China Socket]	TYPE-UK [UK Socket]	TYPE-AU [AU Socket]	TYPE-UN [Universal Socket]
Country	In Stock USA	By request USA	In Stock UNIVERSAL	In Stock EUROPE	In Stock CHINA	By request U.K.	By request AUSTRALIA	In Stock UNIVERSAL
Certificate	✅⚡️ DEKRA	✅⚡️ CULUS	None	✅?? DEKRA	???? EAC	?? UKCA	?? EAC	?? EAC

Derating Curves

Ambient Temperature Derating: The primary derating curve illustrates the load capacity relative to ambient temperature. The inverter operates at 100% load up to 35°C. Between 35°C and 60°C, the load capacity decreases linearly from 100% to approximately 50%. Above 60°C, the load capacity is further reduced to prevent overheating.

DC Input Voltage Derating: A secondary graph shows how the maximum load percentage is affected by the DC input voltage. For instance, at 12Vdc input, the maximum load is limited to around 80% (or less, depending on the specific voltage point), while at higher input voltages like 24Vdc or 48Vdc, the inverter can sustain a higher load percentage, approaching 100% at optimal voltage ranges.

Remote Controller & Communication

IRC1/2/3 Remote Controller (Accessory sold separately): These units serve as monitoring and control interfaces. They can decode RS-232 signals from the inverter series and display information on digital meters. Different models (IRC1, IRC2, IRC3) offer varying display and control capabilities, indicated by LED status lights: Green for ON, Orange for OFF, Red for Abnormal, and Orange Flash for Power Saving.

RS-232 Communication: The inverter supports RS-232 communication for data reading via a single NTS-1200 unit. A communication cable (RJ11-RS232) is required and sold separately.

Remote ON-OFF Control (Built-in): The inverter features a built-in remote ON-OFF function via a dry contact connector. When the connector is Open, the power inverter is ON. When it is Shorted, the power inverter is OFF.

AC Output Voltage, Frequency, Power Saving Mode Selection: Users can adjust the output voltage, frequency, and power saving mode using DIP switches (SW1, SW2, SW3, SW4) located on the panel. Factory settings are typically 110Vac/60Hz or 230Vac/50Hz. The DIP switch table details the configurations for different voltage/frequency combinations and power saving modes.

LED Status Indicators

The inverter provides status information through front panel LEDs:

Status	Green ?	Orange ?	Red ?
Normal Work: Status	System check Inverter OK	Remote off Saving mode	Abnormal Status (See below table)
DC Input	12.5~15.5Vdc 25~31Vdc 50~62Vdc	11~12.5Vdc 22~25Vdc 44~50Vdc	<11Vdc or >15.5Vdc <22Vdc or >31Vdc <44Vdc or >62Vdc
Load	<40% load	40~80% load	>80% load

Abnormal Status Indications:

LED Indicator	Abnormal Indication
Status DC Input Load	Output overload or AC output short circuit
Status DC Input Load	Abnormal DC voltage
Status DC Input Load	Over temperature or Fan lock
Status DC Input Load	Inverter fail

LED states: Light, Light off, Flash.

Mechanical Specifications

The inverter has a robust metal casing with dimensions of 333mm (Length) x 184mm (Width) x 70mm (Height). The DC input terminals are located on one side, clearly marked with a warning against reverse polarity. The AC output sockets are on the opposite side, with various types available depending on the model. An RJ11 remote port is also provided. Airflow is directed across the unit, typically from front to back, facilitated by the cooling fan.

Connectors:

R.C Connector: JST B-XH or equivalent. Pin 1,2 Open for Normal work; Pin 1,2 Short for Remote off. Terminal: JST SXH-001T or equivalent.
Remote port connector (RJ11): Pin assignments are provided for Remote port (Rx, GND, Tx) and DB9 connection.

Accessory List

Optional accessories are available to enhance the functionality and usability of the inverter:

Communication Cable: RJ11-RS232 cable for connecting the inverter to a computer for monitoring and control.
Carry Handle Kit: Includes a handle, foot pads (4x), and screws (2x) for easier installation and portability.

Typical Applications

The NTS-1200 inverter is versatile and suitable for a wide range of applications:

Residential/Home: Powering home appliances, lighting, and electronics, especially in off-grid solar power systems.
Marine/Yacht: Providing reliable AC power for onboard systems, navigation equipment, and amenities, integrating with shore power and battery charging.
RV/Vehicle: Enabling the use of standard AC appliances in recreational vehicles and other vehicles while mobile or parked off-grid.
Other Applications: Including portable equipment, power tools, wireless networks, and telecom/datacom systems.

For detailed installation instructions, please refer to the official manual: http://www.meanwell.com/manual.html

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