KR Series 3500w-5500W Pure Sine Wave Off Grid Inverter Charger 220/230VAC±3%

MOQ： 2 sets
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Payment Terms	TT/LC/Alibabashop
Packaging Details	Carton on Pallet
Delivery Time	10-30days
Supply Ability	50000sets
Name	KR Series (3500-5500W) Inverter/Charger
Utility Input Voltage	176VAC to 264VAC (Default), 90VAC to 285VAC (Configurable)
Utility Input Frequency	45Hz to 65Hz
Maximum Utility Charging Current	110A
Inverter Output Voltage	220/230VAC±3%
Output Voltage Waveform	Pure sine wave
Brand Name	SANGSOLAR
Certification	CE/TUV
Place of Origin	China
Model Number	SANGSOLAR

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Product Specification


Payment Terms	TT/LC/Alibabashop	Packaging Details	Carton on Pallet
Delivery Time	10-30days	Supply Ability	50000sets
Name	KR Series (3500-5500W) Inverter/Charger	Utility Input Voltage	176VAC to 264VAC (Default), 90VAC to 285VAC (Configurable)
Utility Input Frequency	45Hz to 65Hz	Maximum Utility Charging Current	110A
Inverter Output Voltage	220/230VAC±3%	Output Voltage Waveform	Pure sine wave
Brand Name	SANGSOLAR	Certification	CE/TUV
Place of Origin	China	Model Number	SANGSOLAR
High Light	pure sine wave off grid inverter charger ，3500w off grid solar inverters ，3500w off grid inverter charger

The KR Series Inverter/Charger, an off-grid inverter charger, combines state-of-the-art technology with practical applications, making it ideal for residential, school, and health facilities, government buildings, and areas where the electricity is unstable. It supports dual AC output, solar charging, and utility integration, providing seamless power solutions.

With capacities ranging from 3500W to 5500W and enhanced by smart energy management, this series ensures reliable power delivery under varying conditions. Its modular design facilitates easy installation and expansion, supporting parallel operation in single or three-phase setups.

Comprehensive electronic protections and a robust design make the KR Series a dependable choice for managing your energy needs effectively.

Model	KR3522-1250P20/C	KR3542-0650P20/C	KR5542-1050P20/C
Utility input
Utility Input Voltage	176VAC to 264VAC (Default), 90VAC to 285VAC (Configurable)
Utility Input Frequency	45Hz to 65Hz
Maximum Utility Charging Current	110A	60A	100A
Switch Response Time	Switch Response Time – Inverter to Utility: 10ms Switch Response Time – Utility to Inverter (when the load power is higher than 100W): 20ms
Inverter output
Inverter Rated Power (@30℃)	3500W		5500W
3-second Transient Surge Output Power	7000W		8500W
Inverter Output Voltage	220/230VAC±3%
Inverter Frequency	50/60Hz±0.2%
Output Voltage Waveform	Pure sine wave
Load Power Factor	0.2–1(VA ≤ Rated output power)
THDu (Total Harmonic Voltage Distortion)	≤3% (24V resistive load)	≤3% (48V resistive load)
Maximum Load Efficiency	0.92
Maximum Inverter Efficiency	0.94
Maximum Main Load	3500W	3500W	5500W
Maximum Second Load	3500W	3500W	5500W
Main Output Cut-Off Voltage	Equal to “UVW (Under Voltage Warning Voltage)”
Second Output Cut-Off Voltage	Equal to “LVD (Low Voltage Disconnect Voltage)”
Dual Output Recovery Voltage	Equal to “LVR (Low Voltage Reconnect Voltage)”
Solar controller
PV Maximum Open-circuit Voltage	500V (At minimum operating environment temperature); 440V (At 25℃)
MPPT Voltage Range	85V to 450V
Number of MPPTs	1	1	2
PV Maximum Input Current	One way, 16A/way	One way, 16A/way	Two ways, 2x16A
PV Maximum Short-circuit Current	One way, 18A/way	One way, 18A/way	Two ways, 2x18A
PV Maximum Input Power	4200W	4200W	2×3300W
PV Maximum Charging Current	120A	60A	100A
MPPT Maximum efficiency	≥99.5%
Battery
Battery Rated Voltage	24VDC	48VDC
Battery Work Voltage Range	20.4VDC to 32.0VDC	40.8VDC to 64.0VDC
Battery Maximum Charging Current	120A	60A	100A
Others
No-load Losses	≤1.5A	≤0.8A	≤1.1A
No-load Losses	Test condition: Utility, PV and Load are disconnected, AC output is ON, fan stops, @24V input	Test condition: Utility, PV and Load are disconnected, AC output is ON, fan stops, @48V input
Standby Current	≤1.1A	≤0.6A	≤0.8A
Standby Current	Test condition: Utility, PV and Load are disconnected, AC output is OFF, fan stops, @24V input	Test condition: Utility, PV and Load are disconnected, AC output is OFF, fan stops, @48V input
Communication with BMS	RS485
Communication with Portal	RS485
Parallel Function	Yes, 12 units in standard, 16 units at most
Work Temperature Range	-20℃ to +50℃ (When the environment temperature exceeds 30℃, the actual output power is reduced appropriately)
Storage Temperature Range	-25℃ to +60℃
Enclosure	IP20 (With ANTI-DUST KIT)
Relative Humidity	< 95% (N.C.)
Altitude	<4000M (If the altitude exceeds 2000 meters, the actual output power is reduced appropriately)
Certifications and Standards	IEC 62109-1, IEC 62109-2, IEC 61683, IEC 62368
Mechanical parameters
Dimension (Length x Width x Height)	590mm × 300mm × 163mm	534mm × 300mm × 163mm	590mm × 300mm × 163mm
Mounting size (Length x Width)	568mm × 245mm	512mm × 245mm	568mm × 245mm
Mounting hole size	Φ9mm/Φ10mm	Φ9mm/Φ10mm	Φ9mm/Φ10mm
Net Weight	13.8Kg	12.7Kg	15.5Kg

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Beijing Shan Hu International Technology Co.,Ltd. is a professional enterprise involved in manufacturing and marketing the quality solar panels and provide solutions for a wide range and variety of customers home and abroad. It is located in Beijing Economic-Technological Development Area, Chin... Beijing Shan Hu International Technology Co.,Ltd. is a professional enterprise involved in manufacturing and marketing the quality solar panels and provide solutions for a wide range and variety of customers home and abroad. It is located in Beijing Economic-Technological Development Area, Chin...

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Beijing Shan Hu International Technology Co., Ltd.
Building C, Green and Smart Park, Beijing Economic and Technological Development Zone,China
https://www.sangsolar.com/

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