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Shanghai Sieyuan Watten Technology Co Ltd
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.
Rated Power
8 kW
Max Efficiency
—
Phases
Three Phase
Max Input Voltage
—
Min Input Voltage
—
Max Input Current
—
Output Voltage
—
Max Output Current
—
Country of Origin
Unknown
Series
H1
Warranty
10 years
Dimensions
0 x 0 x 0 mm
IP Rating
IP65
Operating Temp
-25°C to 60°C
Cooling
Natural
Battery Compatible
No
Backup Capable
Yes
ESM Compliant
No
Black Start
No
Grid Forming
No
Export Limiting
No
Remote Monitoring
No
CEC Approved
24 Sept 2025
Approval Expiry
24 Sept 2028
Status
Active
Eligible for Rebates
Yes
Years in AU Market
2 years
Australian Office
Not verified
CEC-Approved Batteries
0
CEC-Approved Panels
0
Category
Budget
$1,600–$3,200
Perth installed price estimate · medium confidence
Prices vary by installer, configuration, and site complexity. Get exact quotes via our installer matching.
From May 1, 2026, all new battery installations in WA require CSIP-AUS compliant inverters. Verify ESM status with your installer.
Perth's high ambient temperatures (regularly 35°C+) can reduce inverter efficiency and trigger thermal throttling. For installations in direct sun or non-ventilated garages, consider inverters with active cooling and wide operating temperature ranges. All grid-connected installations require Western Power approval. Systems above 5kVA require ESM compliance under WA regulations.
Compare this inverter with batteries for a complete system analysis
Based on 5 PSH/day (BOM) with 15% system derate.
The Shanghai Sieyuan Watten Technology Co Ltd SiH-50kW-TH (AS4777-2 2020) against the closest-power inverters from other brands.
| Specification | Shanghai Sieyuan Watten Technology Co Ltd SiH-50kW-TH (AS4777-2 2020)Shanghai Sieyuan Watten Technology Co Ltd | 8 Star Energy Pty Ltd Force 8.0HS+ (AS4777-2 2020)8 Star Energy Pty Ltd | 8 Star Energy Pty Ltd Force 8.0HT+ (AS4777-2 2020)8 Star Energy Pty Ltd |
|---|---|---|---|
| Rated power? | 8 kW | 8 kW | 8 kW |
| Max efficiency? | 0.0% | 0.0% | 0.0% |
| MPPT trackers? | Not verified | Not verified | Not verified |
| Phases | Three-phase | Single-phase | Three-phase |
| Type | Solar | Hybrid | Hybrid |
| Battery ready | No | Yes | Yes |
| Warranty | 10 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.
From the install manual
Showing 8 of 8. The official install manual is the authoritative source — always confirm before acting.
110criticalCall your installerLeakage Current Fault
112criticalCall your installerGrid Overvoltage
122criticalCall your installerGround Fault
209criticalCall your installerPhotovoltaic Reverse Connection Fault
102warningCall your installerGrid Undervoltage
106warningCall your installerGrid Overfrequency
107warningCall your installerGrid Underfrequency
129warningCall your installerEPS Load Overload
Part of the Shanghai Sieyuan Watten Technology Co Ltd H1 series
Compare every Shanghai Sieyuan Watten Technology Co Ltd H1 variant side by side →
SiH-10kW-SH (AS4777-2 2020)
9.999 kW · 1φ
SiH-10kW-TH (AS4777-2 2020)
10 kW · 3φ
SiH-10kW-TH-PRO (AS4777-2 2020)
10 kW · 3φ
SiH-12kW-TH (AS4777-2 2020)
12 kW · 3φ
SiH-14.9kW-TH (AS4777-2 2020)
14.999 kW · 3φ
SiH-15kW-TH (AS4777-2 2020)
15 kW · 3φ
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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.