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Solar inverter · SMA · SUNNY TRIPOWER series · Not listed as CEC approved
CEC listing: STP 125-70 (AS4777-2 2020)
A 125 kW three-phase solar inverter.
Commercial-scale inverter
At 125 kW, this is built for businesses and large sites. A typical home inverter is 5–10 kW.
Browse home-size inverters →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
Needs a three-phase supply — check your switchboard
MPPT trackers
12 roof faces can be tuned independently
Type
Runs solar only
Warranty
How long SMA Solar Technology AG stands behind it
Every figure on file for the SMA STP 125-70, by section.
| Specification | Value |
|---|---|
| Power & output | |
| Nominal power | 125 kW |
| Maximum power | 125 kW |
| Apparent power | 125 kVA |
| Phases | 3 |
| Efficiency | |
| Max efficiency | 98.4% |
| European efficiency | 98.1% |
| CEC-weighted efficiency | 98.1% |
| DC input & MPPT | |
| MPPT trackers | 12 |
| Max input voltage | 1100 V |
| MPPT voltage min | 180 V |
| MPPT voltage max | 1000 V |
| Max input current | 360 A |
| Battery & backup | |
| Battery compatible | No |
| Backup capable | No |
| Continuous backup | 0 kW |
| Physical | |
| Dimensions (H×W×D) | 795 × 1020 × 410 mm |
| Weight | 96 kg |
| IP rating | IP65 |
| Cooling | Active cooling |
| Operating temperature | -30°C to 60°C |
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
27 Oct 2025
Approval expiry
27 Oct 2028
Status
Not listed
Eligible for rebates
No (not listed)
Years in AU Market
20 years
Australian Office
Yes
CEC-Approved Batteries
1
CEC-Approved Panels
0
Category
Mid-Tier
Typical installed, inverter only
$25,000–$50,000
Prices vary by installer, configuration and site complexity. Get exact quotes from installers you choose.
Compare quotes from installers you choose
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.
Australian office
Has local presence
Website
www.sma-australia.com.auThe SMA STP 125-70 against the closest-power inverters from other brands.
| Specification | Delta AIOA279K125LDelta | Delta AIOC279K125LDelta | |
|---|---|---|---|
| Rated power? | 125 kW | 125 kW | 125 kW |
| Max efficiency? | 98.4%best value | 0.0% | 0.0% |
| MPPT trackers? | 12 | Not verified | Not verified |
| Phases | Three-phase | Three-phase | Three-phase |
| Type | Solar | Battery | 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.
The warranty covers defects in materials and workmanship for five years. It does not cover damages due to improper installation, modifications, or use in unapproved environments. To make a claim, contact SMA Solar Technology AG directly.
AI-summarised from the manufacturer warranty document. Always confirm against the linked PDF before relying on it for a claim.
From the install manual
Showing 3 of 3. The official install manual is the authoritative source — always confirm before acting.
E001criticalCall your installerEarth fault detected
E002warningCommunication failure
E003warningOver temperature warning
Part of the SMA SUNNY TRIPOWER series
Compare every SMA SUNNY TRIPOWER variant side by side →
SB1.5-1VL-40 (AS4777-2 2020)
1.5 kW · 1φ
SB2.5-1VL-40 (AS4777-2 2020)
2.5 kW · 1φ
SB3.0-1AV-41 (AS4777-2 2020)
3 kW · 1φ
SB4.0-1AV-41 (AS4777-2 2020)
4 kW · 1φ
SB5.0-1AV-41 (AS4777-2 2020)
5 kW · 1φ
SB6.0-1AV-41 (AS4777-2 2020)
6 kW · 1φ
Other CEC-approved products from SMA Solar Technology AG available in Australia.
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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.