300KW 480V Three Phase Triple Output Sine Wave AC/DC Converter 50/60Hz OEM Industrial Off-grid 99% Efficiency 450A

1 / 5

300KW 480V Three Phase Triple Output Sine Wave AC/DC Converter 50/60Hz OEM Industrial Off-grid 99% Efficiency 450A

Send Inquiry

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

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	40-62 VDC	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.	≤ 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)
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	40-62 VDC	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, 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)
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	320-496 VDC
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, 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)
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)	660 * 1300 * 1600mm
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	320-496 VDC
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°C ~ +60°C
	Humidity	0 ~ 90%, No condensation
	Altitude	< 6000m (Higher than 2000m rated power should be reduced)
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)	760 * 1400 * 1600mm
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	320-496 VDC
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°C ~ +60°C
	Humidity	0 ~ 90%, No condensation
	Altitude	< 2000m (Higher than 2000m rated power should be reduced)
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)	660 * 1300 * 1600mm
Weight(kg)	450kg

Product application scenario

Production Facility & QA

Frequently Asked Questions

What are the primary power components and controllers used in these off-grid inverters?

Our three-phase off-grid inverters utilize high-performance IGBT power components from Mitsubishi and microprocessors from ATMELE as the core digital controllers to ensure high efficiency, reliability, and precision.

Does the inverter output a pure sine wave?

Yes, all models in this series output a pure sine wave equipped with a copper isolation transformer. The Total Harmonic Distortion (THD) is kept below ≤3% under linear loads.

What protection mechanisms are built into the system?

The inverters feature comprehensive built-in protection parameters, including input reverse polarity protection, input under-voltage protection, output overload protection, output short-circuit protection, and thermal protection.

Are remote monitoring and communication modules supported?

Yes, they support multiple communication options such as RS485, Wifi, GPRS, and Ethernet utilizing the standard Modbus RTU protocol for seamless system monitoring.

Can I configure solar or generator inputs with this inverter?

Yes, options for solar chargers, AC chargers, and dedicated generator ports are fully available and can be integrated based on specific system configuration demands.

What is the typical bypass transfer time?

The standard bypass transfer time ranges from ≤40ms to ≤100ms depending on the unit size. However, a specialized high-speed transfer version of ≤4ms can be customized upon request.

Product Detail

300KW 480V Three Phase Triple Output Sine Wave AC/DC Converter 50/60Hz OEM Industrial Off-grid 99% Efficiency 450A

Product Description

Related Products

Product Detail

300KW 480V Three Phase Triple Output Sine Wave AC/DC Converter 50/60Hz OEM Industrial Off-grid 99% Efficiency 450A

Product Description

Related Products

Three Phase Triple Output Sine Wave AC/DC Converter Off-grid 99% Efficiency 152A 480V 50/60Hz OEM Industrial

50/60Hz OEM Industrial AC/DC Converter Off-grid 99% Efficiency 278A 480V Three Phase Triple Output Sine Wave

145A 850V Three Phase Triple Output Sine Wave AC/DC Converter 50/60Hz OEM Industrial Off-grid 99% Efficiency

Three Phase Triple Output Sine Wave AC/DC Converter Off-grid 99% Efficiency 152A 850V 50/60Hz OEM Industrial

AC/DC Converter 50/60Hz OEM Industrial Off-grid 99% Efficiency 278A 850V Three Phase Triple Output Sine Wave

290A 850V Three Phase Triple Output Sine Wave AC/DC Converter 50/60Hz OEM Industrial Off-grid 99% Efficiency

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

Off-grid 99% Efficiency 550A 850V Three Phase Triple Output Sine Wave AC/DC Converter 50/60Hz OEM Industrial

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

200KW 480V Three Phase Triple Output Sine Wave AC/DC Converter 50/60Hz OEM Industrial 99% Efficiency 300A