300KW 850V Three Phase Triple Output AC/DC Converter 50/60Hz OEM Industrial Off-grid 99% Efficiency

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300KW 850V Three Phase Triple Output AC/DC Converter 50/60Hz OEM Industrial Off-grid 99% Efficiency

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Product Description

Product introduction

Using IGBT from Mitsubishi company as the power components
Using American ATEMEL 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

DC Input	Type	NB48-10KSZ	NB96-10KSZ	NB120-10KSZ	NB240-10KSZ
	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	40-62 VDC	80-124 VDC	100-155 VDC	200-310 VDC
AC Input (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 & freq	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	≤ 3% (Linear load)
	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°C ~ +60°C
	Humidity	0 ~ 90%, No condensation
	Altitude	< 2000m (Higher than 2000m rated power should be reduced)
Other Config	Specs & Features	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 \| Solar Charger: Optional \| AC Charger: Optional \| Generator Port: Optional
Physical Specifications	Communication mode	RS485, Wifi, GPRS, Ethernet (Modbus RTU protocol)
	Size (mm)	450 × 830 × 1100 mm
	Weight (kg)	180 kg

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

DC Input	Type	NB48-20KSZ	NB96-20KSZ	NB120-20KSZ	NB240-20KSZ
	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	40-62 VDC	80-124 VDC	100-155 VDC	200-310 VDC
AC Input (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 & freq	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	2ms (Load 0 ↔ 100%)
	Power factor (PF)	1
	Overload capacity	120%, 5 minutes / 200%, 3 seconds
	Crest factor (CF)	3:1
	Inverter efficiency	94%
	Pure Sine Wave	Yes (Equipped with copper transformer)
Working Environment	Dielectric strength	1500VAC, 1 minute
	Noise (1m)	≤ 50dB
	Ambient temperature	-20°C ~ +60°C
	Humidity	0 ~ 90%, No condensation
	Altitude	< 6000m (Higher than 2000m rated power should be reduced)
Other Config	Specs & Features	Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection. Solar Charger: Optional \| AC Charger: Optional \| Generator Port: Optional \| Communication: RS485, Wifi, GPRS, Ethernet
Physical Specifications	Size (mm)	520 × 1160 × 1350 mm
	Weight (kg)	280 kg

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

DC Input	Type	NB120-30KSZ	NB240-30KSZ	NB380-30KSZ
	Input rated voltage	120 VDC	240 VDC	380 VDC
	Input rated current	278 A	139 A	88 A
	Input DC voltage range	100-155 VDC	200-310 VDC	320-496 VDC
AC Input (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 & freq	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	2ms (Load 0 ↔ 100%)
	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°C ~ +60°C
	Humidity	0 ~ 90%, No condensation
	Altitude	< 2000m (Higher than 2000m rated power should be reduced)
Other Config	Specs & Features	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 \| Solar Charger: Optional \| AC Charger: Optional \| Generator Port: Optional \| Communication: RS485, Wifi, GPRS, Ethernet
Physical Specifications	Size (mm)	660 × 1300 × 1600 mm
	Weight (kg)	360 kg

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

DC Input	Type	NB220-40KSZ	NB240-40KSZ	NB380-40KSZ
	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	320-496 VDC
AC Input (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 & freq	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	2ms (Load 0 ↔ 100%)
	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°C ~ +60°C
	Humidity	0 ~ 90%, No condensation
	Altitude	< 6000m (Higher than 2000m rated power should be reduced)
Other Config	Specs & Features	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 \| Solar Charger: Optional \| AC Charger: Optional \| Generator Port: Optional \| Communication: RS485, Wifi, GPRS, Ethernet
Physical Specifications	Size (mm)	760 × 1400 × 1600 mm
	Weight (kg)	550 kg

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

DC Input	Type	NB480-50KSZ	NB380-50KSZ
	Input rated voltage	480 VDC	380 VDC
	Input rated current	115 A	146 A
	Input DC voltage range	400-620 VDC	320-496 VDC
AC Input (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 & freq	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)	≤ 3% (Linear load)
	Dynamic response time	2ms (Load 0 ↔ 100%)
	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°C ~ +60°C
	Humidity	0 ~ 90%, No condensation
	Altitude	< 2000m (Higher than 2000m rated power should be reduced)
Other Config	Specs & Features	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 \| Solar Charger: Optional \| AC Charger: Optional \| Generator Port: Optional \| Communication: RS485, Wifi, GPRS, Ethernet
Physical Specifications	Size (mm)	660 × 1300 × 1600 mm
	Weight (kg)	450 kg

Product application scenario

Factory & Quality Control

Frequently Asked Questions

What are the primary power components used in these three-phase inverters?

These three-phase off-grid inverters use high-quality IGBT modules from Mitsubishi company as the main power components, paired with an American ATEMEL microprocessor controller to guarantee maximum performance and stable operations.

What is the conversion efficiency of these off-grid inverters?

The system features a highly compact circuit frame design. The maximum efficiency for the 10KW version is ≥ 90%, while the larger units (20KW, 30KW, 40KW, 50KW) achieve an outstanding conversion efficiency of up to 94%.

What monitoring and communication options are supported?

The system offers multiple modern communication protocols, including RS485, Wifi, GPRS, and Ethernet using the standard Modbus RTU protocol, allowing easy remote monitoring via computers or smartphones.

What built-in protection features do these inverters have?

To ensure complete system safety, the inverters are equipped with input reverse polarity protection, input under-voltage protection, output overload protection, output short circuit protection, and thermal protection.

Can these inverters operate with external generators or solar chargers?

Yes. These inverters can be customized with optional built-in configurations, including solar chargers, AC chargers, and a dedicated generator port to enable hybrid off-grid power solutions.

What is the bypass transfer time in case of AC power issues?

The standard bypass transfer time is ≤ 40ms for the 10KW system and ≤ 100ms for larger models. For critical power backup needs, a specialized version with a fast transfer time of ≤ 4ms can be customized.

Product Detail

300KW 850V Three Phase Triple Output AC/DC Converter 50/60Hz OEM Industrial Off-grid 99% Efficiency

Product Description

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Product Detail

300KW 850V Three Phase Triple Output AC/DC Converter 50/60Hz OEM Industrial Off-grid 99% Efficiency

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