ANMA System Building

Identity

brand	FusionSolar / SUN2000
category	inverters
ean	UNKNOWN
generation	L1 (single-phase 600 V DC platform). A separate 'High Current Version' of the L1 family is listed on Huawei's residential product list. disputed
hardware_revision	UNKNOWN
legacy_name	UNKNOWN
manufacturer	Huawei
manufacturer_legal_entity	UNKNOWN
market_version	UNKNOWN
model	SUN2000-5KTL-L1
mpn	UNKNOWN
order_code	UNKNOWN
product_family	SUN2000-2/3/3.68/4/4.6/5/6KTL-L1
product_revision	UNKNOWN
product_status	active
product_status_evidence	Listed as a current product in the solar.huawei.com catalogue at https://solar.huawei.com/en/products/sun2000-3-4-5-6ktl-l1/ (fetched 2026-09-03); datasheet revision 04-202403.
region	EU / global
release_year	UNKNOWN
sku	UNKNOWN
subcategory	single-phase residential hybrid inverter (Huawei markets it as 'Smart Energy Controller')
variant_note	The -L1 suffix denotes the single-phase 600 V DC hybrid platform. Not interchangeable with -LB0 or -LC0 single-phase units, which use a different DC window (40-560 V, 50 V startup) and different current ratings.

Electrical

ac_coupling_support	UNKNOWN
backup_eps_output_support	true (datasheet: 'Backup power output Yes (via Backup Box - B0, SmartGuard-63A-S0)'; user manual also names Backup Box-B0/B1)
battery_support	True
battery_type	Huawei LUNA2000 (datasheet 04-202403: 'Compatible battery LUNA2000-5/10/15-S0, LUNA2000-7/14/21-S1'); legacy docs also list LG Chem RESU10H_R
battery_voltage_class	HV
battery_voltage_max_v	560
battery_voltage_min_v	350
communication_can	UNKNOWN
communication_ethernet	optional (Smart Dongle-WLAN-FE); 4G/3G/2G via Smart Dongle-4G
communication_rs485	True
communication_wifi	True
ct_support	UNKNOWN (external Smart Power Sensors are CT-based; no direct-CT input on inverter documented)
dc_ac_ratio_guidance	UNKNOWN
european_efficiency	97.8%
european_efficiency_pct	97.8
generator_input_support	UNKNOWN
grid_certifications	['EN/IEC 62109-1', 'EN/IEC 62109-2', 'G98', 'G99', 'EN 50549-1', 'AS 4777.2', 'IEC 61727', "(fetched excerpt noted 'and others' - list not exhaustive)"]
grid_export_control	true (user manual Issue 20: 'If the inverters require the grid-tied point control function, they need to be connected to a power meter')
grid_frequency_hz	50/60
grid_voltage_v	220/230/240
home_assistant_integration	UNKNOWN
max_ac_apparent_power_va	5500
max_ac_power_kw	5.5 (label 'Max. AC apparent power 5,500 VA'; max active power not separately captured)
max_active_power_w	UNKNOWN (datasheet prints only 'Max. apparent power'; no separate max active power row)
max_battery_charge_current_a	15 (specs page 'Max. operating current 15 A'; manual 'Battery maximum current 15 A' - not split into charge/discharge) SUN2000-(2KTL-6KTL)-L1 User Manual - Technical Specifications (HTML) — Input, 'Battery maximum current 15 A'
max_battery_charge_power_kw	5 SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 - official Specs page (HTML) — Input (DC Battery), 'Max. charge power 5000 W'
max_battery_discharge_current_a	15 (same single figure)
max_battery_discharge_power_kw	5 (specs page, 5KTL-L1 column: 'Max. discharge power 5000 W')
max_dc_voltage_v	600
max_efficiency	98.4%
max_efficiency_pct	98.4
max_input_current_per_mppt_a	12.5
max_output_current_a	25.0
max_pv_input_power_w	7500 (label 'Recommended max. PV power 7,500 Wp')
max_recommended_pv_power_w	7500
max_short_circuit_current_per_mppt_a	18
modbus_rtu	UNKNOWN (meter link to DDSU666-H/DTSU666-H is Modbus RTU over RS485 per sensor manual; inverter host-side protocol not verified this session)
modbus_tcp	UNKNOWN
mppt_max_voltage_v	560
mppt_min_voltage_v	90
mppt_voltage_max_v	560
mppt_voltage_min_v	90
night_power_consumption_w	< 2.5
nominal_frequency	50 Hz/60 Hz
nominal_voltage	220/230/240 Vac, single-phase
num_mppt	2
num_pv_inputs	2
num_pv_inputs_note	Datasheet gives 'Number of MPP trackers 2' and 'Max. inputs per MPP tracker 1' -> 2 DC inputs total on a single unit.
officially_supported_battery_brands	['Huawei LUNA2000-5/10/15-S0', 'Huawei LUNA2000-7/14/21-S1', 'LG Chem RESU7H/RESU10H Type-R (legacy: HK datasheet 01-20190716 and user manual Issue 20; NOT listed in EU datasheet 04-202403)']
oversizing_limits	Recommended max. PV power 7500 Wp against 5000 W rated AC (datasheet 'Recommended max. PV power'); no explicit hard oversizing cap stated.
phase_type	single-phase
power_factor_range	0.8 leading ... 0.8 lagging
pv_inputs_per_mppt	1
rated_ac_power_kw	5
rated_ac_power_w	5000
rated_input_voltage_v	360
rated_output_current_a	UNKNOWN (no 'Rated output current' row on this datasheet)
region_variant	EU (datasheet 04-202403); HK/APAC 2019 datasheet electrically identical on all shared fields checked
smart_meter_support	DDSU666-H (single-phase, recommended for single-phase-only networking; only option for Spanish version), DTSU666-H, DTSU666-HW, YDS60-80, YDS70-C16, DDSU71, DDSU1079-CT, DTSU71, DHSU1079-CT (user manual Issue 20)
sources	[{'url': 'https://solar.huawei.com/download?p=%2F-%2Fmedia%2FSolar%2Fattachment%2Fpdf%2Feu%2Fdatasheet%2FSUN2000-2_3_3_68_4_4_6_5_6KTL-L1.pdf', 'title': 'SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 Smart Energy Controller datasheet', 'doc_type': 'datasheet', 'publisher': 'Huawei', 'revision': 'Version No.: 04-202403', 'doc_date': '2024-03', 'language': 'en', 'region': 'EU', 'accessed': '2026-09-01', 'confidence': 'officially-verified'}, {'url': 'https://solar.huawei.com/-/media/Solar/attachment/pdf/hk/datasheet/SUN2000-2-5KTL-L1.pdf', 'title': 'SUN2000-2/3/4/5KTL-L1 datasheet (HK/APAC)', 'doc_type': 'datasheet', 'publisher': 'Huawei', 'revision': 'Version No.: 01-(20190716)', 'doc_date': '2019-07', 'language': 'en', 'region': 'HK/APAC', 'accessed': '2026-09-01', 'confidence': 'officially-verified'}, {'url': 'https://ske-solar.com/productdata/SUN2000-L1/02_Manuals/User%20Manual_SUN2000-2-6KTL-L1_V20_2024-05-30_EN.pdf', 'title': 'SUN2000-(2KTL-6KTL)-L1 User Manual Issue 20', 'doc_type': 'manual', 'publisher': 'Huawei (hosted by authorized distributor SKE Solar)', 'revision': 'Issue 20', 'doc_date': '2024-05-30', 'language': 'en', 'region': 'EU', 'accessed': '2026-09-01', 'confidence': 'manufacturer-documented'}]
startup_voltage_v	100
string_rules	UNKNOWN
sunspec_support	UNKNOWN
thd	<= 3%
topology	hybrid (grid-tie with DC-coupled HV battery interface; Huawei markets it as 'Smart Energy Controller')
voltage_range	UNKNOWN

Physical / mechanical

cable_entry_positions	UNKNOWN
cable_gland_sizes	UNKNOWN
cooling	Natural convection
depth_mm	156
dimensions_note	Datasheet row 'Dimensions (incl. mounting brackets) 365 mm x 375 mm x 156 mm'; weight row 'Weight (incl. mounting brackets) 12.0 kg (26.5 lb)'.
enclosure_material	UNKNOWN
height_mm	375
housing_color	UNKNOWN
ip_rating	IP65
mounting_bolt_size	UNKNOWN
mounting_hole_diameter_mm	UNKNOWN
mounting_hole_spacing_mm	UNKNOWN
mounting_plate_dimensions_mm	UNKNOWN
mounting_type	['wall']
noise_db	UNKNOWN
screw_sizes	UNKNOWN
shipping_weight_kg	UNKNOWN
terminal_locations	UNKNOWN
torque_specs	UNKNOWN
weight_kg	12 disputed SUN2000-(2KTL-6KTL)-L1 User Manual - Technical Specifications (HTML) — Common Parameters, 'Weight 12 kg'
width_mm	365 SUN2000-(2KTL-6KTL)-L1 User Manual - Technical Specifications (HTML) — Common Parameters, 'Dimensions (W x H x D) 365 mm x 375 mm x 156 mm (including the mounting bracket)'

Installation

ac_connector	UNKNOWN
altitude_derating_note	0-4000 m, derated above 2000 m
cable_entry	UNKNOWN
dc_connector	UNKNOWN
dc_switch	UNKNOWN
direct_sunlight_restriction	UNKNOWN
indoor_outdoor	IP65 (indoor/outdoor per rating; explicit statement not captured this session)
installation_temperature_range_c	UNKNOWN
max_installation_altitude_m	4000
mounting	UNKNOWN
mounting_orientation	UNKNOWN
surface_requirements	UNKNOWN
two_person_lift_required	UNKNOWN
ventilation_requirements	UNKNOWN

Environment

altitude_note	'Operating altitude 0-4,000 m (Derating above 2,000 m)'
cooling_method	natural convection (manual: 'Natural cooling')
corrosion_class	UNKNOWN
fan_replaceable	N/A (fanless)
ik_rating	UNKNOWN
ip_rating	IP65 SUN2000-(2KTL-6KTL)-L1 User Manual - Technical Specifications (HTML) — Common Parameters, 'IP rating IP65'
max_altitude_m	4000
nema_rating	UNKNOWN
noise_level_db	UNKNOWN
operating_temperature	-25 C to +60 C (derating above 45 C)
operating_temperature_c	-25 to +60 (derated above +45 at rated output power; the manual gives '-25 to +60 (derated when the temperature is higher than +45)' for part of the family and '+40' for the rest - see raw_discovered)
pollution_degree	UNKNOWN
relative_humidity	0-100% RH disputed
salt_mist_resistance	UNKNOWN
storage_temperature_c	UNKNOWN
uv_resistance	UNKNOWN

Interfaces & connectors

ac_terminal_type	UNKNOWN
backup_eps_terminal	external Backup Box-B0 or HUAWEI SmartGuard-63A-S0
battery_terminal_type	UNKNOWN
bluetooth	UNKNOWN
can	UNKNOWN
cellular	optional 4G Smart Dongle (SDongleA-03-EU / SDongleB-06-EU)
display	LED indicators
dongle_support	Smart Dongle-WLAN-FE (optional); Smart Dongle-4G for 4G/3G/2G (optional)
ethernet	optional (Smart Dongle-WLAN-FE) disputed
fe	Optional, via Smart Dongle-WLAN-FE
fusionsolar_monitoring	Yes - 'LED indicators; integrated WLAN + FusionSolar app'
local_api_availability	UNKNOWN
modbus_rtu	UNKNOWN
modbus_tcp	UNKNOWN
protocol_notes	DC MBUS towards SUN2000-450W-P2 / SUN2000-600W-P optimizers
pv_connector_type	UNKNOWN
register_doc_availability	UNKNOWN
rs485	Supported; maximum RS485 communication distance 1000 m disputed SUN2000-(2KTL-6KTL)-L1 User Manual - Technical Specifications (HTML) — Communications, 'Maximum RS485 communication distance 1000 m'
smartlogger_compatibility	UNKNOWN
sunspec	UNKNOWN
usb	UNKNOWN
wifi	built-in WLAN module, 2400-2483.5 MHz, 802.11b/g/n, 20/40 MHz, <= 20 dBm EIRP
wlan	Yes, built-in WLAN module
zigbee	UNKNOWN

Controls & display

display_type	none (LED indicators only)
leds	LED indicators (count not captured this session)
local_display	False
mobile_app	FusionSolar App
touchscreen	False

Protection

ac_overcurrent_protection	Yes
ac_overvoltage_protection	Yes
ac_short_circuit_protection	Yes
afci	Supported (arc fault protection / AFCI) disputed
anti_islanding	Supported; active anti-islanding method AFD disputed
dc_reverse_polarity_protection	Yes
dc_switch	UNKNOWN
decisive_voltage_class	PV and AC port: DVCC; communication port: DVCA
insulation_monitoring	Supported (insulation resistance detection) disputed
integrated_dc_switch	UNKNOWN
over_current	AC overcurrent protection: Supported. Max output overcurrent protection 30 A (5KTL-L1); max output fault current 75.3 A.
over_heat_protection	Yes
over_temperature	Supported (overtemperature protection / over-heat protection)
over_voltage	AC overvoltage protection: Supported. Overvoltage category II (DC) / III (AC).
overvoltage_category	II (DC) / III (AC)
protection_class	I
rcmu	Yes ('Residual current monitoring: Yes')
residual_current_monitoring	Supported (RCMU)
reverse_polarity	DC reverse polarity protection: Supported
short_circuit	AC short-circuit protection: Supported
surge_protection	DC and AC surge protection: Supported; specs page: 'compatible with TYPE II protection class according to EN/IEC 61643-11' disputed

Certifications

emc	['UNKNOWN']
grid_codes	['G98', 'G99', 'EN 50549-1', 'CEI 0-21', 'VDE-AR-N-4105', 'AS 4777.2', 'C10/11', 'ABNT', 'UTE C15-712', 'RD 1699', 'TOR D4', 'IEC61727', 'IEC62116']
grid_standards	['G98', 'G99', 'EN 50549-1', 'CEI 0-21', 'VDE-AR-N-4105', 'AS 4777.2', 'C10/11', 'ABNT', 'UTE C15-712', 'RD 1699', 'TOR D4', 'IEC61727', 'IEC62116']
note	Grid-code list is as printed on the EU datasheet 04-202403; it is a compliance-capability list, not a per-country approval register.
other	['EN/IEC 61643-11 (surge protection class reference)']
regional	['UNKNOWN']
regional_certifications	UNKNOWN
safety	['EN/IEC 62109-1', 'EN/IEC 62109-2']
safety_standards	['EN/IEC 62109-1', 'EN/IEC 62109-2']

Warranty & service

design_life_years	UNKNOWN
extension_options	UNKNOWN
field_replaceable_parts	UNKNOWN
note	No warranty row on the fetched datasheet or product page.
standard_warranty	UNKNOWN
standard_years	UNKNOWN

Documents

datasheet SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 (Single-Phase) Smart Energy Controller product page rev UNKNOWN

datasheet SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 - official Specs page (HTML) rev UNKNOWN

datasheet SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 Smart Energy Controller datasheet rev Version No.: 04-202403

user-manual SUN2000-(2KTL-6KTL)-L1 User Manual - Technical Specifications (HTML) rev EDOC1100136173, page Update Date 2026-07-16

Documented compatibility

Documented pairings only. A product absent here has no fetched document naming the pairing — that is not a statement that it fails.

inverter_battery

Huawei LUNA2000-7-S1 (of the -5/7/10/12/14/15/17/19/21-S1 family) COMPATIBLEofficially-verified

Huawei SUN2000-2-6KTL-L1 datasheet 04-202403 (solar.huawei.com, fetched 2026-09-01)

LG Energy Solution RESU10H COMPATIBLEofficially-verified

Huawei SUN2000-2-5KTL-L1 HK datasheet 01-(20190716) (solar.huawei.com) + SUN2000-(2KTL-6KTL)-L1 User Manual Issue 20 (SKE Solar mirror)

Huawei LUNA2000-5-S0 COMPATIBLEofficially-verified

Huawei LUNA2000-5/10/15-S0 official specs page 'Compatible Inverters' row, fetched https://solar.huawei.com/en/products/luna2000-5-10-15-s0/specs/

Pytes V5 / V5-alpha (printed as V5° / V5°α) COMPATIBLEmanufacturer-documented

Pytes Inverter Compatibility List V.20230819, https://www.pytesess.com/ueditor/php/upload/file/20240705/1720170604646137.pdf (fetched 2026-09-01)

Pytes E-Box 48100R COMPATIBLEmanufacturer-documented

Pytes Inverter Compatibility List V.20230819, https://www.pytesess.com/ueditor/php/upload/file/20240705/1720170604646137.pdf (fetched 2026-09-01)

Dyness A48100 COMPATIBLEmanufacturer-documented

Dyness 'Approved Compatibility List of Inverter Brands' (low voltage battery), https://basic-solar.de/wp-content/uploads/2025/01/kompatibilitaetsliste_dyness.pdf (fetched 2026-09-01)

inverter_meter

Huawei DTSU666-H (100A and 250A variants) COMPATIBLEmanufacturer-documented

SUN2000-(2KTL-6KTL)-L1 User Manual Issue 20 2024-05-30 (Huawei-authored, fetched from authorized distributor mirror ske-solar.com)

Huawei DDSU666-H COMPATIBLEmanufacturer-documented

SUN2000-(2KTL-6KTL)-L1 User Manual Issue 20 2024-05-30 (Huawei-authored, fetched from authorized distributor mirror ske-solar.com)