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Solar inverter · Ningbo Sunways Technologies Co Ltd · STS-3K~6KTL-NS series · CEC approved September 2026
A 5 kW single-phase solar inverter.
Read from the figures on this page — no review written yet
The numbers that matter for a home. The full datasheet is below.
Rated power
How much solar it can turn into usable power at once
Max efficiency
How much of the solar you make reaches the house
Phases
Runs on a standard single-phase supply
Type
Runs solar only
Warranty
How long Ningbo Sunways Technologies Co Ltd stands behind it
Every figure on file for the Ningbo Sunways Technologies Co Ltd STS-5KTL-NS (AS4777-2 2020), by section.
| Specification | Value |
|---|---|
| Efficiency | |
| Max efficiency | 98.1% |
| European efficiency | 97.5% |
| Physical | |
| IP rating | IP65 |
| Installation requirements | |
| AC breaker | 20 A |
| Cable gauge | 4 mm² |
Parsed from the manufacturer datasheet, install manual, and warranty document. Confirm against the linked PDFs before relying on a value for a quote or installation.
Battery compatible
No
Backup capable
No
CEC approved
9 Sept 2026
Approval expiry
1 Sept 2027
Status
Active
Eligible for rebates
Yes
Years in AU Market
4 years
Australian Office
Not verified
CEC-Approved Batteries
0
CEC-Approved Panels
0
Category
Budget
Typical installed, inverter only
$1,000–$2,000
Prices vary by installer, configuration and site complexity. Get exact quotes from installers you choose.
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Western Power approval is required for every grid-connected install. Under Emergency Solar Management, a new system must be remotely manageable, or take an export limit instead — ask your installer to confirm this inverter’s ESM status.
Estimate for a full-size array on this inverter
At 5 peak sun hours a day (BOM) with a 15% system derate.
The Ningbo Sunways Technologies Co Ltd STS-5KTL-NS (AS4777-2 2020) against the closest-power inverters from other brands.
| Specification | Ningbo Sunways Technologies Co Ltd STS-5KTL-NS (AS4777-2 2020)Ningbo Sunways Technologies Co Ltd | ||
|---|---|---|---|
| Rated power? | 5 kW | 5 kW | 5 kW |
| Max efficiency? | 98.1%best value | 0.0% | 0.0% |
| MPPT trackers? | Not verified | Not verified | Not verified |
| Phases | Single-phase | Single-phase | Three-phase |
| Type | Solar | Hybrid | Hybrid |
| Battery ready | No | Yes | Yes |
| Warranty | 5 years | Not verified | Not verified |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
Plain-English warranty summary not yet extracted for this product. The official warranty document is the authoritative source.
Part of the Ningbo Sunways Technologies Co Ltd STS-3K~6KTL-NS series
Compare every Ningbo Sunways Technologies Co Ltd STS-3K~6KTL-NS variant side by side →
STH-10KTL-HT-P (AS4777-2 2020)
10 kW · 3φ
STH-12KTL-HT-P (AS4777-2 2020)
12 kW · 3φ
STH-3.6KTL-HS (AS4777-2 2020)
3.6 kW · 1φ
STH-3.6KTL-HSS (AS4777-2 2020)
3.6 kW · 1φ
STH-3KTL-HS (AS4777-2 2020)
3 kW · 1φ
STH-3KTL-HSS (AS4777-2 2020)
3 kW · 1φ
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About this data
All inverter specifications are sourced from the CEC Approved Products Register. Specifications are provided as published by the CEC and may differ from manufacturer datasheets. Verify current specifications with the manufacturer or your installer before purchasing. Not all listed models may be currently available in Western Australia.