Casa / On/Off Grid Solar Inverters / SF 1200/2400/3600 SE

SF 1200/2400/3600 SE

On/Off-Grid Solar Inverter

The Sunflx SF-SE Series combines an inverter, AC charger and MPPT solar controller in one compact unit. With 1.2–3.6kW output, easy installation and a built-in dustproof filter, it provides essential backup power for small households in areas with an unstable grid.

12/24V battery system1.2–3.6kW output range

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30VLow inverter start voltage

100AMax. solar charge current

IP21Indoor only

Battery typesLithium · lead-acid · GEL

Designed for dependable supply

Principais Características

Built-in MPPT Charging

An integrated MPPT solar controller brings solar charging into one compact system.

Integrated solar charging

Flexible Battery Support

Compatible with lithium, lead-acid and GEL batteries, with equalization charging support.

OptionalBMS function

30V Low-voltage Start

A low inverter start voltage allows operation with one suitable solar panel.

Panel specifications must match inverter requirements

Flexible Operating Modes

Adapt the system to different scenarios, including operation without a battery.

OptionalFeed-in to the grid

Monitoring & Updates

Choose additional connectivity and update options to suit your installation.

OptionalWi-Fi / Bluetooth · USB firmware upgrade

Built-in Dustproof Filter

A built-in filter helps protect the inverter in demanding indoor environments.

IP21 · Indoor installation

Designed for residential backup power.

Application Fit

Small households and essential-load backup
Off-grid and weak-grid locations
Utility or generator AC input with solar charging
Optional feed-in to the grid

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Product Specifications

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Specification	SF 1200 SE	SF 2000 SE	SF 2400 SE	SF 3600 SE	User-Settable
Rated Output Power	1,200W	2,000W	2,400W	3,600W
Nominal Battery Voltage	12Vdc	12Vdc	24Vdc	24Vdc
Max. PV Array Power	2,000W	3,000W	3,800W	5,800W
Max. Solar Charge Current	100Amp				✓
Battery Type	Lithium LiFePO4 / Lead-Acid / Flooded / User Defined				✓
AC INPUT
Nominal AC Input Voltage / Waveform	230Vac / Sinusoidal (Utility or Generator)
AC Input Range	90–280Vac (Appliances); 170–280Vac (UPS)				✓
Nominal Input Frequency	50/60Hz (Auto Detection)				✓
AC Input Frequency Range	40–65 ±1Hz (>42 or <63 ±1Hz Comeback)
Max. Bypass Current	16Amp	16Amp	20Amp	30Amp
Output Short Circuit Protection	Circuit Breaker
Transfer Time	10ms Typical (UPS); 20ms Typical (Appliances)
AC CHARGER
Charging Algorithm	3-Step
Max. AC Charging Current	80Amp				✓
Bulk Charging Voltage	14.6Vdc (AGM/Gel); 14.1Vdc (Flooded)		29.2Vdc (AGM/Gel); 28.2Vdc (Flooded)		✓
Floating Charging Voltage	13.5Vdc		27Vdc		✓
Max. Hybrid Charging Current (Solar & Utility)	100Amp				✓
PV INPUT
No. of Independent MPPT Trackers	1
MPPT Input Current	1 × 18Amp
PV Array MPPT Voltage Range	30–400Vdc
Max. PV Array Open Circuit Voltage	450Vdc
MPPT Tracking Efficiency	99.9%
INVERTER OUTPUT
No. of Output Ports	1
Max. Output Current	5.2A	8.6A	10.4A	15.7A
Surge Capacity	2.4KVA / 2.4KW for 5 seconds	4KVA / 4KW for 5 seconds	4.8KVA / 4.8KW for 5 seconds	7.2KVA / 7.2KW for 5 seconds
Output Voltage Waveform	Pure Sine Wave
Overload Protection	5s @ 150% Load; 10s @ 110%–150% Load
Output Voltage	220/230/240 Vac ± 5%
Output Frequency	50/60Hz ±1 Hz
Peak Efficiency	92%		93%	94%
Low Voltage Cut-off Voltage	10.5Vdc		21.0Vdc		✓
High Voltage Cut-off Voltage	16.0Vdc		33.0Vdc
Cold Start Voltage (Battery Only)	11.5Vdc		23.0Vdc
No Load Power Consumption	<25W @ 12Vdc		<35W @ 24Vdc
GENERAL
Embedded Interface	RS232 × 1
Operating Temperature Range	−10°C to 55°C
Noise	≤ 60dB
Protection Degree	IP21, Indoor Only
Cooling Method	Intelligent Fan
Net Dimensions (H × W × D)	395 × 285 × 110 mm	395 × 285 × 110 mm	395 × 285 × 110 mm	395 × 335 × 108 mm
Net Weight	5.7 KG	6.1 KG	6.1 KG	7.3 KG
Warranty	2 Years
Certification / Standard	CE (IEC61000, IEC62109); IEC61683

SUNFLX CLOUD APP

Work with Sunflx Cloud App

Sunflx Cloud App is a Configure and Monitor App now available in App Store and Google Play.

Work with Sunflx Smart Dongle, support both Bluetooth and Wi-Fi connection, which enables you to manage your solar device with or without an internet connection. Anytime, anywhere.