KRP Series (3500-5500W) Inverter/Charger
Smart Off-grid Inverter Charger: Explore the KRP Series (3500-5500W), offering robust energy conversion for off-grid systems and uninterrupted power.
The KRP Series is a versatile off-grid inverter charger, ideal for residential, school, healthcare, and government facilities, as well as areas with inconsistent electricity supply. It supports dual AC output, solar charging, and utility integration, providing reliable and efficient energy solutions.
What sets the KRP Series apart is its enhanced PV Max. Input Current capacity, accommodating 20A for single PV input or 20A+20A for dual PV inputs. This makes it an excellent choice for installations requiring higher solar input capacity while maintaining the same core features as the KR Series.
With a capacity range of 3500W to 5500W, the KRP Series supports single-phase or three-phase parallel operation with a modular design for easy installation and expansion. Its comprehensive electronic protections and durable construction ensure dependable performance in a wide range of environments.
The KRP Series is a robust and flexible solution for managing your energy needs, offering enhanced compatibility for larger solar installations while maintaining the trusted performance of EPEVERโs inverter/charger lineup.
| Model | KRP3522-1250P20/C | KRP3542-0650P20/C | KRP5542-1050P20/C |
| Utility input | |||
| Utilityย Inputย Voltage | 176VAC to 264VAC (Default), 90VAC to 285VAC (Configurable) | ||
| Utilityย Inputย Frequency | 45Hzย toย 65Hz | ||
| Maximum Utility Charging Current | 110A | 60A | 100A |
| Switch Response Time | Switch Response Time โ Inverter to Utility: 10ms Switch Response Time โ Utility to Inverter (when the load power is higher than 100W): 20ms |
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| Inverter output | |||
| Inverter Rated Power (@30โ) | 3500W | 5500W | |
| 3-second Transient Surge Output Power | 7000W | 8500W | |
| Inverter Output Voltage | 220/230VACยฑ3% | ||
| Inverter Frequency | 50/60Hzยฑ0.2% | ||
| Output Voltage Waveform | Pure sine wave | ||
| Load Power Factor | 0.2โ1(VA โค Rated output power) | ||
| THDu (Total Harmonic Voltage Distortion) | โค3%ย (24V resistive load) | โค3%ย (48V resistive load) | |
| Maximum Load Efficiency | 0.92 | ||
| Maximum Inverter Efficiency | 0.94 | ||
| Maximum Main Load | 3500W | 5500W | |
| Maximum Second Load | 3500W | 5500W | |
| Main Output Cut-Off Voltage | 24.4V(Default) | 48.8V(Default) | |
| Second Output Cut-Off Voltage | 22.2V(Default) | 44.4V(Default) | |
| Dual Output Recoveryย Voltage | 25.2V(Default) | 50.4V(Default) | |
| Solar controller | |||
| PV Maximum Open-circuit Voltage | 500V (At minimum operating environment temperature); 440V (At 25โ) |
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| MPPTย Voltage Range | 85V toย 450V | ||
| Number of MPPTs | 1 | 2 | |
| PV Maximum Input Current | 20A | 20A+20A | |
| PV Maximumย Short-circuit Current | 22A | 20A+20A | |
| PV Maximum Input Power | 4200W | 2ร3300W | |
| PV Maximum Charging Current | 120A | 60A | 100A |
| MPPT Maximum efficiency | โฅ99.5% | ||
| Battery | |||
| Battery Rated Voltage | 24VDC | 48VDC | |
| Battery Work Voltage Range | 20.4VDCย toย 32.0VDC | 40.8VDCย toย 64.0VDC | |
| Battery Maximum Charging Current | 120A | 60A | 100A |
| Others | |||
| No-load Losses | โค1.5A | โค0.8A | โค1.1A |
| Test condition: Utility, PV and Load are disconnected, AC output is ON, fan stops, @24V input | Test condition:ย Utility, PV and Load are disconnected,ย AC output is ON, fan stops, @48V input | ||
| Standby Current | โค1.1A | โค0.6A | โค0.8A |
| Test condition: Utility, PV and Load are disconnected, AC output is OFF, fan stops, @24V input | Test condition:ย Utility, PV and Load are disconnected,ย AC output is OFF, fan stops, @48V input | ||
| Communication with BMS | RS485 | ||
| Communication with Portal | RS485 (4G/WiFi /Bluetooth) | ||
| Parallel Function | Yes, Standard 12 units, Up to 16 units | ||
| Work Temperature Range | ย -20โย to +50โ(๏ผ30โย Derating ) | ||
| Storage Temperature Range | -25โย toย +60โ | ||
| Enclosure | IP20 (With anti-dust kit)) | ||
| Relative Humidity | < 95% (N.C.) | ||
| Altitude | <4000M (๏ผ2000m Derating) | ||
| Certifications and Standards | IEC 62109-1, IEC 62109-2, IEC 61683, IEC 62368 | ||
| Mechanical parameters | |||
| Dimension (Length x Width x Height) | 590mm รย 300mm รย 163mm | 534mm ร 300mm ร 163mm | 590mm รย 300mm รย 163mm |
| Mounting size (Length x Width) | 568mmย รย 245mm | 512mm ร 245mm | 568mm ร 245mm |
| Mounting hole size | ฮฆ9mm/ฮฆ10mm | ฮฆ9mm/ฮฆ10mm | ฮฆ9mm/ฮฆ10mm |
| Net Weight | 13.8Kg | 12.7Kg | 15.5Kg |
Manual
EPEVER-Manual-KR/KRP
Manual
EPEVER-Manual-KR/KRP(C)
DataSheet
EPEVER-DataSheet-KRP(C)
Product Highlights
Applicable for pure off grid / backup power / self-consumption
PV input voltage range: 80Vdc-500Vdc
PV input current up to 40A
Supports battery mode & non battery mode
Battery & PV reverse polarity protection
Dual pure sine wave output
Supports single-phase or three-phase parallel operation (up to 16 units)
Sleep mode triggered by low power output or low battery voltage
Independent BMS communication interface
Isolated RS485 interface๏ผConnects with Bluetooth, WiFi, 4G, etc.
Optional 320 x 480 high-resolution color LCD screen or monochrome screen
Historical data recording function, storage capacity of 25000 records
Comprehensive electronic protection ensures safer and more stable operation
IP20 enclosure design with anti-dust kit
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