Professional microinverters, monitoring, metering and Flex-S3 accessories
for residential and commercial PV systems.
HMS MicroinvertersFlex-S3 AccessoriesDTU MonitoringSmart Metering
1–4Panel Support
IP67Outdoor Rated
25yrDesign Lifetime
ProInstaller Range
Official UK Partner
Hoymiles Flex-S3 AC Sealing Cap
SKUS3-SC
Original price
£1.44
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Original price
£1.44
Original price
£1.44inc VAT£1.20exc VAT
£1.44
-
£1.44
Current price£1.44inc VAT£1.20exc VATinc VAT£1.20exc VAT
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✓Professional installer product
✓Compatible with Hoymiles DTU monitoring
✓Outdoor IP67 rated microinverter range
✓Works with Flex-S3 cabling accessories
Estimated delivery time: Next Working Day
Description
The Flex-S3 Cable System is a revolutionary cabling solution designed for the HMS series microinverters, which can be used in PV systems with either one or multiple microinverters. Its user-friendly plug-and-play design makes the installation easier, faster, and more reliable. The Flex-S3 Cable System also features high flexibility, allowing you to mix and match Flex-S3 Connection Cables of different sizes or lengths to achieve your desired wiring configuration at the lowest cost.
Time-saving & Cost-effective: Plug-and-play design eliminates the need for complex wiring and crimping
Flexibility: Provide great flexibility for AC Trunk design that caters to the specific requirements of your PV
Reliability: Work seamlessly with the current HMS series microinverters.
Build a professional Hoymiles system around the correct HMS microinverter, monitoring gateway and installation accessories.
01
HMS-450-1T
1 panel support
Ideal for single-panel module-level installations where compact, reliable AC conversion is required.
02
HMS-900-2T
2 panel support
Designed for two-panel PV setups, giving installers a practical option for smaller residential arrays.
03
HMS-1800-4T
4 panel support
Suitable for larger module groups, helping reduce inverter count while keeping module-level performance.
04
DTU + S-Miles
System monitoring
Add DTU monitoring to connect compatible HMS systems with S-Miles Cloud visibility and performance data.
05
Flex-S3 Accessories
Installation accessories
Complete the system with compatible cabling and connector accessories for professional HMS installations.
WHY INSTALLERS CHOOSE HMS
Professional microinverter technology for modern PV systems
Hoymiles HMS products are designed to give installers a flexible, scalable and monitoring-ready platform for residential and small commercial solar installations.
01
Module-level performance
Each panel operates independently, helping reduce the impact of shading, mismatch or different roof orientations.
02
Flexible system design
Choose 1, 2 or 4 panel support across the HMS range to suit different roof layouts and project sizes.
03
Monitoring ready
Pair with compatible DTU gateways and S-Miles Cloud for system visibility, performance data and diagnostics.
04
Lower DC complexity
Microinverter architecture keeps conversion close to the module and can simplify design compared with traditional string systems.
05
Installer-friendly accessories
Flex-S3 cabling and compatible HMS accessories help installers complete neat, scalable PV installations.
06
Professional product range
Built for professional solar installers working across residential rooftops, retrofit projects and small commercial PV.
HOYMILES HMS RANGE COMPARISON
Compare the HMS microinverter range
Choose the correct HMS microinverter based on panel count, rated AC output and recommended module power.
1 Panel
HMS-450-1T
Compact 1-in-1 microinverter for single-panel installations.
Panel support1 panel
Rated AC output450VA
Recommended module power360–600W+
MPPTs1
Max input current15A
Best suited forSingle module PV points, small roof sections and compact residential installs
2 Panels
HMS-900-2T
Balanced 2-in-1 microinverter for residential solar projects.
Panel support2 panels
Rated AC output900VA
Recommended module power360–600W+ per panel
MPPTs2
Max input current2 × 15A
Best suited forResidential PV arrays, paired panel layouts and flexible roof designs
4 Panels
HMS-1800-4T
High-output 4-in-1 microinverter for larger module groups.
Panel support4 panels
Rated AC output1800VA
Recommended module power360–600W+ per panel
MPPTs4
Max input current4 × 15A
Best suited forLarger residential arrays, grouped panels and small commercial systems
Official UK Partner