Skip to content
Over 7000 Products at Incredible Prices!
Over 7000 Products at Incredible Prices!
HOYMILES HMS SERIES

Hoymiles Solar
Ecosystem

Professional microinverters, monitoring, metering and Flex-S3 accessories for residential and commercial PV systems.

HMS Microinverters Flex-S3 Accessories DTU Monitoring Smart Metering
1–4 Panel Support
IP67 Outdoor Rated
25yr Design Lifetime
Pro Installer Range
Hoymiles Official UK Partner

Hoymiles DTU-PRO-S-4G Monitoring Gateway

SKU DTU-PRO-S-4G
Original price £170.00 - Original price £170.00
Original price
£170.00 inc VAT £141.67 exc VAT
£170.00 - £170.00
Current price £170.00 inc VAT £141.67 exc VAT inc VAT £141.67 exc VAT
Availability:
20 in stock, ready to be shipped
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
⚠ Professional installation product — A professional installer S-Miles account is required for DTU setup, commissioning and system monitoring configuration.

The Hoymiles DTU-PRO-S-4G is an advanced professional monitoring gateway designed to connect compatible Hoymiles microinverter systems with the S-Miles Cloud monitoring platform.

Supporting Ethernet, Wi-Fi and integrated 4G connectivity, the DTU-PRO-S-4G enables reliable remote system communication, real-time performance monitoring and installer-level diagnostics across residential and commercial PV installations.

Designed for scalable multi-inverter systems, the DTU-PRO-S-4G collects operational data from connected Hoymiles microinverters and uploads system performance information securely to the S-Miles Cloud platform for remote access via desktop and mobile app.

The DTU gateway also supports local commissioning, module-level monitoring, alarm management and remote maintenance functionality, helping installers manage and optimise system performance efficiently.

Compatible with Hoymiles HMS series microinverters and S-Miles Cloud, the DTU-PRO-S-4G is an essential component for professional monitoring-ready PV installations.

Key features

  • Professional Hoymiles monitoring gateway
  • Compatible with HMS microinverter range
  • Integrated 4G, Ethernet and Wi-Fi connectivity
  • S-Miles Cloud platform integration
  • Real-time system and module-level monitoring
  • Remote diagnostics and alarm management
  • Supports residential and commercial PV systems
  • Installer commissioning and maintenance support
  • Designed for professional solar PV installations
Specification

Datasheet

HOYMILES HMS SYSTEM GUIDE

Choose the right HMS setup

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 support 1 panel
Rated AC output 450VA
Recommended module power 360–600W+
MPPTs 1
Max input current 15A
Best suited for Single 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 support 2 panels
Rated AC output 900VA
Recommended module power 360–600W+ per panel
MPPTs 2
Max input current 2 × 15A
Best suited for Residential 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 support 4 panels
Rated AC output 1800VA
Recommended module power 360–600W+ per panel
MPPTs 4
Max input current 4 × 15A
Best suited for Larger residential arrays, grouped panels and small commercial systems