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Mean Well NTU-1200-124US True Sine Wave DC-AC Inverter 1200W 110V out 24V in with US 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-1200-124US
$315.52 USD
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Overview

NTU-1200-124US is the model of this series: typical efficiency 90%.

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-1200-124USSpecifications 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 110VAC 100 / 110 / 115 / 120Vac selectable by DIP S.W
FREQUENCY
Default setting set at 60±0.1Hz 50/60Hz selectable by DIP S.W
WAVEFORMNote.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
15W
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
90%
BATTERY TYPES
Lead Acid or li-ion

PROTECTION

FUSE (INTERNAL)
40A*2
LOW ALARM
22±0.5Vdc
LOW SHUTDOWN
20±0.5Vdc
LOW RESTART
25±0.5Vdc
HIGH ALARM
31±0.5Vdc
HIGH SHUTDOWN
33±0.5Vdc
HIGH RESTART
30±0.5Vdc
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
GFCI PROCTECTION
UL458 (Only for “GFCI” AC socket, by request)

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
100/110/115/120Vac±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
ParameterStandardTest Level
RadiatedFCC for 112,124,148 only(expect for Type-UN)Class A
RadiatedBS EN/ EN55032(CISPR32) for 212,224,248 only(expect for Type-UN)Class A
ConductedFCC for 112,124,148 only(expect for Type-UN)Class A
ConductedBS EN/ EN55032(CISPR32) for 212,224,248 only(expect for Type-UN)Class A
Harmonic CurrentBS EN/EN61000-3-2Class A
Voltage FlickerBS EN/EN61000-3-3
EMC IMMUNITY

BS EN/ EN55024, BS EN/ EN55035

ParameterStandardTest Level
ESDBS EN/EN61000-4-2Level 3, 8KV air; Level 2, 4KV contact
RadiatedBS EN/EN61000-4-3Level 2
EFT / BurstBS EN/EN61000-4-4Level 2, 1KV
SurgeBS EN/EN61000-4-5Level 3, 1KV/Line-Line 2KV/Line-Earth
ConductedBS EN/EN61000-4-6Level 2
Magnetic FieldBS EN/EN61000-4-8Level 1
Voltage Dips and InterruptionsBS 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. 1.Efficiency, AC regulation and THD are tested by 900W load, linear load at 12.5Vdc/25Vdc/50Vdc input voltage.
  2. 2.All parameters not specified above are measured at rated load, 25℃ of ambient temperature and set to factory setting.
  3. 3.Internal pre-start circuit, the setup time is 8s.
  4. 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-1200-124US AC Output Socket
AC Output Socket
NTU-1200-124US DERATING CURVE
DERATING CURVE
NTU-1200-124US Support RS-232 Communication
Support RS-232 Communication
NTU-1200-124US AC Output Voltage、Frequency、Power
AC Output Voltage、Frequency、Power
NTU-1200-124US LED STATUS
LED STATUS
NTU-1200-124US FUNCTION MANUAL
FUNCTION MANUAL
NTU-1200-124US MECHANICAL SPECIFICATION
MECHANICAL SPECIFICATION
NTU-1200-124US TYPICAL APPLICATION
TYPICAL APPLICATION

Typical applications

  • Home and office applianc
  • Power tools
  • Portable equipment
  • Vehiclc
  • Yacht
  • Off-grid solar power system
  • Wireless network
  • Telecom or datacom system

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Mean Well

Mean Well NTU-1200-124US True Sine Wave DC-AC Inverter 1200W 110V out 24V in with US Socket

$315.52 USD

NTU-1200-124US is the model of this series: typical efficiency 90%.

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

Typical applications

  • Home and office applianc
  • Power tools
  • Portable equipment
  • Vehiclc
  • Yacht
  • Off-grid solar power system
  • Wireless network
  • Telecom or datacom system
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