Off-grid 99% Efficiency 290A 480V Three Phase Triple Output Sine Wave AC/DC Converter 50/60Hz OEM Industrial

Product introduction

Using IGBT from Mitsubishi company as the power components
Using American ATMEL company microprocessor as figure controller
Perfect protection and warning functions
Circuit frame compact, Max. Efficiency ≥ 90%
With wide input voltage range
RS232/485/WIFI/GPRS communication
Touch screen English LCD, perfect display, interface-friendly

Touch screen display

Product parameter

Technical parameters of three-phase off-grid inverter 10KW

Type	NB48-10KSZ	NB96-10KSZ	NB120-10KSZ	NB240-10KSZ
DC Input
Input rated voltage	48 VDC	96 VDC	120 VDC	240 VDC
Input rated current	231 A	116 A	93 A	46 A
Input DC voltage range	40-62VDC	80-124 VDC	100-155 VDC	200-310 VDC
AC Input (AC bypass)
Allow input voltage range	220 VAC / 380 VAC / 400 VAC ± 15% VAC
Input rated current	28A / 15A / 14.5A
Bypass transfer time	≤40ms (Can be customized ≤ 4ms version)
AC Output
Output rated power	10KW
Output rated voltage and frequency	220 VAC / 380 VAC / 400 VAC, 50Hz / 60Hz
Output rated current	28A / 15A / 14.5A
Output voltage accuracy	220 VAC / 380 VAC / 400 VAC ± 1%
Output frequency accuracy	50Hz / 60Hz ± 0.05%
Wave Form	Pure sine wave (Isolation transformer)
THD (Linear load)	≤3%
Power factor (PF)	1
Overload capacity	120% (5 minutes); 200% (3 seconds)
Crest factor (CF)	3:1
Inverter efficiency	>94%
Working Environment
Dielectric strength	1500VAC, 1 minute
Noise (1m)	≤50dB
Ambient temperature	-20℃ ~ +60℃
Humidity	0~90%, No condensation
Altitude	<2000m (Higher than 2000m rated power should be reduced)
Other Features
Production function	Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection
Pure Sine Wave	Yes
Equipped with copper transformer	Yes
Communication mode	RS485, Wifi, GPRS, Ethernet (Modbus RTU protocol)
Solar Charger	Optional, available
AC Charger	Optional, available
Generator Port	Optional, available
Size(mm)	450×830×1100 mm
Weight(kg)	180 kg

Technical parameters of three-phase off-grid inverter 20KW

Type	NB48-20KSZ	NB96-20KSZ	NB120-20KSZ	NB240-20KSZ
DC Input
Input rated voltage	48 VDC	96 VDC	120 VDC	240 VDC
Input rated current	463 A	231 A	185 A	93 A
Input DC voltage range	40-62VDC	80-124 VDC	100-155 VDC	200-310 VDC
AC Input (AC Bypass)
Allow input voltage range	220 VAC / 380 VAC / 400 VAC ± 15% VAC
Input rated current	55.5A / 30A / 29A
Bypass transfer time	≤100ms (Can be customized ≤4ms version)
AC Output
Output rated power	20KW
Output rated voltage and frequency	220 VAC / 380 VAC / 400 VAC, 50Hz / 60Hz
Output rated current	55.5A / 30A / 29A
Output voltage accuracy	220 VAC / 380 VAC / 400 VAC ± 2%
Output frequency accuracy	50Hz / 60Hz ± 0.05%
Waveform distortion (THD)	≤3% (Linear load)
Dynamic response time (Load 0↔100%)	2ms
Power factor (PF)	1
Overload capacity	120% (5 minutes); 200% (3 seconds)
Crest factor (CF)	3:1
Inverter efficiency	94%
Working Environment
Dielectric strength	1500VAC, 1minute
Noise (1m)	≤50dB
Ambient temperature	-20℃ ~ +60℃
Humidity	0~90%, No condensation
Altitude	<6000m (Higher than 2000m rated power should be reduced)
Other Features
Production function	Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection
Pure Sine Wave	Yes
Equipped with copper transformer	Yes
Communication mode	RS485, Wifi, GPRS, Ethernet (Modbus RTU protocol)
Solar Charger	Optional, available
AC Charger	Optional, available
Generator Port	Optional, available
Size(mm)	520×1160×1350 mm
Weight(kg)	280 kg

Technical parameters of three-phase off-grid inverter 30KW

Type	NB120-30KSZ	NB240-30KSZ	NB380-30KSZ
DC Input
Input rated voltage	120 VDC	240 VDC	380 VDC
Input rated current	278A	139 A	88 A
Input DC voltage range	100-155 VDC	200-310 VDC	320-496VDC
AC Input (AC Bypass)
Allow input voltage range	220 VAC / 380 VAC / 400 VAC ± 15% VAC
Input rated current	83A / 45.5A / 43.5 A
Bypass transfer time	≤100ms (Can be customized ≤4ms version)
AC Output
Output rated power	30KW
Output rated voltage and frequency	220 VAC / 380 VAC / 400 VAC, 50Hz / 60Hz
Output rated current	83A / 45.5A / 43.5 A
Output voltage accuracy	220 VAC / 380 VAC / 400 VAC ± 1%
Output frequency accuracy	50Hz / 60Hz ±0.05%
Waveform distortion (THD)	≤3% (Linear load)
Dynamic response time (Load 0↔100%)	2ms
Power factor (PF)	1
Overload capacity	120% (5 minutes); 200% (3 seconds)
Crest factor (CF)	3:1
Inverter efficiency	94%
Working Environment
Dielectric strength	1500VAC, 1minute
Noise (1m)	≤50dB
Ambient temperature	-20℃ ~ +60℃
Humidity	0~90%, No condensation
Altitude	<2000m (Higher than 2000m rated power should be reduced)
Other Features
Production function	Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection
Pure Sine Wave	Yes
Equipped with copper transformer	Yes
Communication mode	RS485, Wifi, GPRS, Ethernet (Modbus RTU protocol)
Solar Charger	Optional, available
AC Charger	Optional, available
Generator Port	Optional, available
Size(mm)	66013001600mm
Weight(kg)	360kg

Technical parameters of three-phase off-grid inverter 40KW

Type	NB220-40KSZ	NB240-40KSZ	NB380-40KSZ
DC Input
Input rated voltage	220Vdc	240Vdc	380 VDC
Input rated current	202 A	185 A	117 A
Input DC voltage range	180-279 VDC	200-310 VDC	320-496VDC
AC Input (AC Bypass)
Allow input voltage range	220 VAC / 380 VAC / 400 VAC ± 15% VAC
Input rated current	111.2A / 60.8A / 58A
Bypass transfer time	≤100ms (Can be customized ≤4ms version)
AC Output
Output rated power	40KW
Output rated voltage and frequency	220 VAC / 380 VAC / 400 VAC, 50Hz / 60Hz
Output rated current	111.2A / 60.8A / 58A
Output voltage accuracy	220 VAC / 380 VAC / 400 VAC ± 1%
Output frequency accuracy	50Hz / 60Hz ±0.05%
Waveform distortion (THD)	≤3% (Linear load)
Dynamic response time (Load 0↔100%)	2ms
Power factor (PF)	1
Overload capacity	120% (5 minutes); 200% (3 seconds)
Crest factor (CF)	3:1
Inverter efficiency	94%
Working Environment
Dielectric strength	1500VAC, 1minute
Noise (1m)	≤50dB
Ambient temperature	-20℃ ~ +60℃
Humidity	0~90%, No condensation
Altitude	<6000m (Higher than 2000m rated power should be reduced)
Other Features
Pure Sine Wave	Yes
Equipped with copper transformer	Yes
Communication mode	RS485, Wifi, GPRS, Ethernet (Modbus RTU protocol)
AC Charger	Optional
Solar Charger	Optional
Generator port	Optional
Production function	Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection
Size(mm)	76014001600mm
Weight(kg)	550kg

Technical parameters of three-phase off-grid inverter 50KW

Type	NB480-50KSZ	NB380-50KSZ
DC Input
Input rated voltage	480 VDC	380 VDC
Input rated current	115 A	146 A
Input DC voltage range	400-620 VDC	320-496VDC
AC Input (AC Bypass)
Allow input voltage range	220 VAC / 380 VAC / 400 VAC ± 15% VAC
Input rated current	139A / 76A / 72.5A
Bypass transfer time	≤100ms (Can be customized ≤4ms version)
AC Output
Output rated power	50KW
Output rated voltage and frequency	220 VAC / 380 VAC / 400 VAC, 50Hz / 60Hz
Output rated current	139A / 76A / 72.5A
Output voltage accuracy	220 VAC / 380 VAC / 400 VAC ± 1%
Output frequency accuracy	50Hz / 60Hz ±0.05%
Waveform distortion (THD) (Linear load)	≤3%
Dynamic response time (Load 0↔100%)	2ms
Power factor (PF)	1
Overload capacity	120% (5 minutes); 200% (3 seconds)
Crest factor (CF)	3:1
Inverter efficiency	94%
Working Environment
Dielectric strength	1500VAC, 1minute
Noise (1m)	≤50dB
Ambient temperature	-20℃ ~ +60℃
Humidity	0~90%, No condensation
Altitude	<2000m (Higher than 2000m rated power should be reduced)
Other Features
Pure Sine Wave	Yes
Equipped with copper transformer	Yes
Communication mode	RS485, Wifi, GPRS, Ethernet (Modbus RTU protocol)
AC Charger	Optional
Solar Charger	Optional
Generator port	Optional
Production function	Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection
Size(mm)	66013001600mm
Weight(kg)	450kg

Product application scenario

Inverter Application and Installation Grid 1

Inverter Application and Installation Grid 2

Inverter Application and Installation Grid 3

Factory & Production Gallery

Frequently Asked Questions

1. What are the key power components of this off-grid inverter?

This three-phase off-grid inverter utilizes a high-quality intelligent power module (IGBT) from Mitsubishi as the power component, paired with an ATMEL microprocessor for precise digital controller performance.

2. What protection mechanisms are integrated into this three-phase inverter?

The system features comprehensive built-in protection functions including input reverse polarity protection, input under-voltage protection, output overload protection, output short circuit protection, and over-temperature (thermal) protection.

3. Can I monitor the system performance remotely?

Yes, the inverter supports multiple communication modes, including RS485, Wifi, GPRS, and Ethernet using the standard Modbus RTU protocol, allowing for easy remote tracking.

4. Does this system support custom configurations for bypass transfer times?

Yes. While the standard bypass transfer time is ≤40ms for the 10KW model and ≤100ms for larger models, a customized high-speed transfer version (≤4ms) is available upon request.

5. What battery input voltages are supported by the different models?

Depending on your power requirements and model, input voltages can range from 48 VDC, 96 VDC, 120 VDC, 240 VDC, up to 480 VDC to suit various battery bank configurations.

6. Is a copper transformer included as standard?

Yes, all models are equipped with a high-quality copper isolation transformer as standard, ensuring pure sine wave output and enhanced durability for industrial loads.

Product Detail

Off-grid 99% Efficiency 290A 480V Three Phase Triple Output Sine Wave AC/DC Converter 50/60Hz OEM Industrial

Product Description

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Product Detail

Off-grid 99% Efficiency 290A 480V Three Phase Triple Output Sine Wave AC/DC Converter 50/60Hz OEM Industrial

Product Description

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