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Maximise the Potential of Your Riello UPS Riello UPS is a global leader in power continuity, and their single-phase units are the backbone of many IT networks. To ensure your system is as resilient as possible, the right accessories are essential. Our range of Riello Single Phase UPS Accessories at Comms Express allows you to add remote monitoring, simplify maintenance, and extend the physical versatility of your hardware.

Whether you are managing a small office setup or a complex edge computing site, these genuine Riello components ensure seamless compatibility and peak performance.

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NetMan 208C is Riello UPS’s dedicated network communications card, designed to seamlessly integrate UPS systems into medium- and large-scale networks. It delivers reliable communication between UPS units and management systems while providing advanced security and virtualization support.

Key Features of NetMan 208C Compatible with main network communication protocols (TCP/IP, HTTPS, SNMP)
Integrates UPS devices into networks via Modbus/TCP and BACnet/IP protocols
Designed for use with PowerShield³ and PowerNetGuard UPS management software
Supports LDAP and Active Directory user authentication
Complete management and monitoring of up to 3 environmental sensors
Seamless integration with VMware for virtual network management
Easily Integrate UPS Into Networks NetMan 208C enables UPS systems to connect over 10/100/1000 Mbps ethernet and IPv4/6 networks, supporting Modbus/TCP, BACnet/IP, and SNMP protocols for effortless network integration.

Exceptional Security Equipped with advanced encryption, integrity, and authenticity mechanisms, the NetMan 208C ensures high-level protection against cyber threats, meeting modern secure connectivity standards.

Compatible With Virtual Networks Designed for VMware environments, the NetMan 208C allows safe management and shutdown of both virtual and physical machines, simplifying virtual network operations.

Reliable UPS Management With full compatibility with PowerShield³ and PowerNetGuard, this card ensures reliable UPS monitoring and control, maintaining consistent communication across medium and large networks.

Out Of Stock
£175.84
£211.01 Inc Vat
Add To Cart
VSD Range Only, Universal Rack Guides for racks 600 to 1000mm
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The Riello Rackmount Rail Kit provides a secure and reliable mounting solution for compatible Riello rack-mounted UPS systems and battery boxes. Designed specifically for the Riello Vision Dual (VSD) and Sentinel Dual High Power (SDH) ranges, these universal rack guides simplify installation within standard server cabinets. Adjustable to fit rack depths from 600mm to 1000mm, the kit includes all necessary fixtures and fittings for quick and straightforward deployment.

Key Features of Riello Rackmount Rail Kit 600-1000mm Universal rackmount rail kit for Riello UPS systems
Compatible with Riello Vision Dual (VSD) and Sentinel Dual High Power (SDH) ranges
Suitable for rack-mounted UPS units and battery boxes
Adjustable to fit rack depths from 600mm to 1000mm
Provides secure support for installed equipment
Simple and straightforward installation process
Includes all required fixtures and fittings
Designed for standard 19-inch rack environments
Recommended one rail kit per UPS or battery box
Universal Rack Compatibility The adjustable rail design accommodates a wide range of server cabinet depths from 600mm to 1000mm, providing flexible installation options for various rack environments.

Designed for VSD and SDH UPS Ranges Specifically engineered for Riello Vision Dual and Sentinel Dual High Power models, the rail kit ensures secure mounting and reliable support for compatible UPS units and battery cabinets.

Secure Equipment Support The rail system provides a stable mounting platform that helps support the weight of rack-mounted UPS equipment and battery packs, promoting safe installation within rack enclosures.

Simple Installation Process Designed for ease of use, the kit allows quick installation without complex assembly procedures, helping reduce deployment time for new UPS installations.

Complete Mounting Kit Supplied with all required fixtures and fittings, the rail kit provides everything needed to install compatible Riello equipment securely within a rack cabinet.

Ideal for Rack-Based Power Protection Whether used in server rooms, communications cabinets, network closets, or data centres, the rackmount rail kit helps create a professional and organised UPS installation.

Recommended Per Device Installation For optimal support and stability, Riello recommends using one rack guide kit for each UPS unit or battery box being installed within the rack environment.

In Stock: 2-3 Weeks
£35.63
£42.76 Inc Vat
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Riello BATTERY KIT S3M S3T CPT Battery installation kit
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for Sentryum S3M/S3T Compact (excludes batteries)

The Riello BATTERY KIT S3M/S3T CPT Battery Installation Kit provides all the essential components required for the safe and efficient installation of up to 40 batteries within compatible Riello Sentryum S3M and S3T Compact UPS chassis systems. Designed for seamless integration, this complete battery connection kit includes the necessary cables, connectors, and fuses to simplify installation while ensuring reliable power system performance and protection.

Key Features of BATTERY KIT S3M/S3T CPT Designed for Riello Sentryum S3M and S3T Compact UPS systems
Supports installation of up to 40 batteries
Includes cables, connections, and fuses
Simplifies battery system deployment
Ensures secure and reliable battery connections
Helps maintain UPS performance and operational reliability
Genuine Riello installation accessory
Suitable for new installations and system expansions
Complete Battery Installation Solution This comprehensive installation kit contains all the required components needed to connect and integrate battery strings within compatible Riello Sentryum Compact UPS systems. By providing the necessary cables, connectors, and protective fuses in a single package, installation becomes quicker and more straightforward.

Designed for Riello Sentryum Compact Models Engineered specifically for use with Riello Sentryum S3M and S3T Compact chassis, this battery kit ensures compatibility and proper integration with supported UPS configurations, helping installers achieve a professional and dependable setup.

Supports Large Battery Configurations Capable of supporting installations of up to 40 batteries, the kit is ideal for UPS environments requiring extended runtime capabilities. It provides the necessary infrastructure to create larger battery banks while maintaining organised and secure connections.

Integrated Protection Components Included fuses help protect battery circuits and connected equipment by supporting safe electrical operation. The integrated protective components contribute to maintaining system integrity within demanding power backup environments.

Simplified Installation Process With all essential connection hardware supplied together, installers can reduce sourcing time and ensure consistency across the battery installation. This helps streamline deployment and supports efficient project completion.

Reliable Power Infrastructure Support Using genuine Riello installation accessories helps maintain the integrity of UPS battery systems and supports dependable backup power operation. The kit is designed to complement the performance requirements of Sentryum Compact UPS solutions.

In Stock: 1-2 Days
£76.50
£91.80 Inc Vat
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Riello BATTERY KIT S3M S3T ACT Battery installation kit
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for Sentryum S3M/S3T Active (excludes batteries)



Riello BATTERY KIT S3M/S3T ACT Battery installation kit, for Sentryum S3M/S3T Active (excludes batteries).



In Stock: 1-2 Days
£120.59
£144.71 Inc Vat
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MultiCOM 372 provides a UPS with an additional EPO and RS232
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The MultiCOM 372 allows an additional communication port to be added to the UPS to control and monitor the UPS via the RS232 serial line. The board is supplied with an ESD (UPS Emergency Shutdown) input and an RSD (Remote Shutdown) input, both available on a removable terminal board and directly connectible to emergency buttons or other buttons.

Features:
Management of ESD input and UPS Shutdown
Ability to supply devices at 12 V 80 mA max

In Stock: 1-2 Days
£122.72
£147.26 Inc Vat
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Riello MultiCOM 392 UPS alarm and status indication
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(Multi Sentry Only)



Riello MultiCOM 392 UPS alarm and status indication, (Multi Sentry Only).



In Stock: 1-2 Days
£124.31
£149.17 Inc Vat
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Riello MulitCOM 384 provides UPS alarm and status indication
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The Riello MultiCOM 384 is a communication expansion card designed to provide clear UPS alarm signalling and status monitoring through a set of configurable volt-free relay contacts. Ideal for integration with building management systems, industrial control environments, and remote monitoring applications, the MultiCOM 384 enables reliable notification of critical UPS events while supporting control functions such as Emergency Power Off (EPO) and remote shutdown. Compatible with Riello UPS systems and PowerShield³ software, it offers a simple and effective way to enhance UPS communication capabilities.

Key Features of Riello MultiCOM 384 Communication expansion card with volt-free relay contacts
Provides UPS alarm and status indication
Features 4 configurable exchange relays
Supports Emergency Power Off (EPO) functionality
Supports remote UPS shutdown control
Customisable relay operation (normally open or normally closed)
Provides status signals such as On Battery and On Bypass
Includes Battery Low warning indication
Incorporates two removable terminal boards
Simple integration with external monitoring systems
Compatible with PowerShield³ software
Suitable for building management and industrial control applications
Reliable UPS Alarm Signalling MultiCOM 384 provides a straightforward method of communicating UPS alarms and operational status through volt-free relay contacts. This allows external systems to receive immediate notification of critical UPS events.

Configurable Relay Contacts The card features four exchange relays that can be customised as normally open or normally closed, providing flexibility when integrating with a wide range of monitoring and control systems.

Emergency Power Off Support A dedicated terminal board provides control functions including Emergency Power Off (EPO), allowing operators to safely shut down the UPS system in emergency situations.

Remote Shutdown Capability The MultiCOM 384 supports remote shutdown commands, enabling UPS control from connected external systems and helping streamline power management procedures.

Comprehensive Status Monitoring Users can monitor key UPS operating conditions through configurable status outputs, including On Battery, On Bypass, Battery Low, and other critical operating states.

Two Removable Terminal Boards The card incorporates two removable terminal blocks for simplified installation and maintenance. One terminal board manages UPS control signals, while the second handles relay-based status notifications.

Integration with Monitoring Platforms Compatible with PowerShield³ software and external monitoring systems, the MultiCOM 384 helps provide enhanced visibility of UPS performance and operational conditions.

Ideal for Critical Infrastructure Suitable for data centres, telecommunications systems, industrial facilities, and commercial environments, the MultiCOM 384 enhances UPS communication and alarm management where reliable power monitoring is essential.

In Stock: 1-2 Days
£145.56
£174.67 Inc Vat
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Riello BATTERY KIT S3M S3T XTD Battery installation kit
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for Sentryum S3M/S3T Xtend (excludes batteries)



Riello BATTERY KIT S3M/S3T XTD Battery installation kit, for Sentryum S3M/S3T Xtend (excludes batteries).



In Stock: 1-2 Days
£164.69
£197.63 Inc Vat
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Riello PowerNetGuard-Lic UPS Management Software
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Licence Renewal

PowerNetGuard is a comprehensive UPS monitoring and management platform designed for data centres, server rooms, and enterprise IT environments. Compatible with major operating systems including Microsoft Windows, Linux, macOS, and Solaris, it provides centralised supervision of UPS infrastructure across large networks. With support for both Riello and third-party UPS systems, PowerNetGuard simplifies power management, delivers real-time operational visibility, and provides automated alarm notifications to help maintain business continuity.

Key Features of PowerNetGuard Centralised UPS management platform
Compatible with Windows, Linux, macOS, and Solaris operating systems
Supports RFC1628 standard UPS management
Displays and logs voltage, load, battery charge, and operational data
Automated alarm notifications via email and SMS
Multi-user access with configurable security levels
Compatible with Riello and third-party UPS systems
Real-time monitoring and event management
Graphical interface for simplified diagnostics
Ideal for medium-to-large network environments
Centralised UPS Monitoring PowerNetGuard enables administrators to monitor and manage multiple UPS systems from a single interface, providing a consolidated view of critical power infrastructure across the network.

Cross-Platform Compatibility The software supports a wide range of operating systems including Microsoft Windows, Linux, macOS, and Solaris, ensuring seamless integration into diverse IT environments.

Advanced Operational Visibility Users can view and log essential UPS parameters including input and output voltage, battery status, load levels, and system events, helping maintain full visibility of power conditions.

Automated Alarm Notifications PowerNetGuard can automatically send alerts via email or SMS when UPS alarms or critical events occur, ensuring key personnel are notified quickly and can respond promptly.

User-Friendly Diagnostic Interface The intuitive graphical interface presents operational data and event information clearly, making first-level diagnostics and system monitoring straightforward for administrators.

Multi-Level Security Management Support for multiple user accounts and configurable access levels helps organisations maintain control over system permissions while allowing appropriate access for different teams.

Third-Party UPS Support In addition to Riello UPS systems, PowerNetGuard can manage compatible third-party UPS devices via SNMP network cards, enabling centralised management across mixed-vendor environments.

Designed for Large Network Environments Ideal for data centres and enterprise IT infrastructures, PowerNetGuard provides scalable UPS supervision capabilities that help maintain reliability, efficiency, and operational continuity.

In Stock: 1-2 Days
£170.53
£204.64 Inc Vat
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Riello NETMAN208 Network Communication Card
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Network Communication Card NetMan 208 is a network communications card that enables Riello UPS systems to easily integrate into medium or large networks, providing a high level of reliability in communication between the UPS and associated management systems.

Easily Integrate UPS Into Networks Designed to integrate UPS systems over 10/100 Mbps ethernet connections and IPv4/6 networks using Modbus/TCP, BACnet/IP, and SNMP protocols.

Compatible With Virtual Networks Seamless integration with VMware, helping you manage any virtual networks and perform safe system shutdown of both virtual and physical machines.

In Stock: 4-6 Weeks
£175.85
£211.02 Inc Vat
Add To Cart
Riello MultiCOM 352 (Card Version is a serial duplexer)
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The MultiCOM 351/352 serial duplicator is an accessory that allows two devices to be connected to a single communication serial port on the UPS. It can be used anywhere where several serial connections are required for multiple polling of the UPS. It is ideal for LAN networks with firewalls, where a high level of security is required, or for the management of separate LAN networks supplied by a single UPS.

Features
Cascading configuration giving a maximum of 4 serial communication ports
LED communication flow indicator
Firmware upgradeable via serial port.

In Stock: 1-2 Days
£198.69
£238.43 Inc Vat
Add To Cart
Riello SDU PAR Parallel Board for Sentinal Dual (SDU)
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Riello SDU PAR Parallel Board for Sentinel Dual (SDU).

Please Note: This card is not suitable for the SDU 4kVA UPS model.

In Stock: 1-2 Days
£195.00
£234.00 Inc Vat
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Riello ER KIT S3 10KVA CPT ACT XTD 12A Battery Charger Kit
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for all Sentryum 10kVA models (CPT, ACT and XTD)

The Riello ER KIT S3 10kVA CPT/ACT/XTD is an extended runtime kit designed for Riello Sentryum S3M/S3T UPS systems. It enables increased battery autonomy by supporting external battery expansion and enhanced runtime configurations. Compatible with Compact (CPT), Active (ACT), and Xtend (XTD) cabinet types, this kit is intended for 10kVA UPS installations requiring scalable backup power and improved runtime flexibility in critical environments such as data centres, IT systems, and industrial applications.

Key Features of Riello ER KIT S3 10kVA CPT/ACT/XTD Designed for Riello Sentryum S3M/S3T UPS systems
Compatible with 10kVA CPT, ACT, and XTD cabinet versions
Extended runtime (ER) expansion kit
Enables increased UPS autonomy via external battery support
Supports scalable backup power configurations
Optimised for 10kVA single and three-phase systems
Enhances runtime flexibility for critical applications
Suitable for data centres, telecoms, and industrial environments
Integrates into modular Sentryum battery architecture
Extended Runtime Capability The ER KIT increases UPS autonomy by enabling expanded battery capacity or external battery integration, ensuring longer backup time during power outages.

Compatible with CPT, ACT, and XTD Cabinets This kit is designed to work across multiple Sentryum cabinet formats, including Compact, Active, and Xtend versions, providing installation flexibility across different system layouts.

Designed for Sentryum S3M/S3T Systems Engineered specifically for Riello Sentryum third-generation UPS platforms, ensuring full compatibility and reliable system integration.

Scalable Battery Architecture Support The kit enables modular expansion of UPS runtime, allowing additional battery capacity to be added as operational requirements increase.

Ideal for Critical Power Applications Suitable for data centres, IT infrastructure, healthcare systems, and industrial environments where extended backup and continuous operation are essential.

In Stock: 1-2 Days
£200.81
£240.97 Inc Vat
Add To Cart
Riello DI KIT S3T 10-20KVA ACT dual input conversion kit
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to suit S3T Active 10-20kVA

The Riello DI KIT S3T 10–20kVA ACT is a dual input conversion kit designed for Riello Sentryum S3T Active UPS systems. It enables dual power input operation, improving system availability, redundancy, and maintenance flexibility. Suitable for 10kVA, 15kVA, and 20kVA S3T Active UPS models, it is intended for critical power environments such as data centres, IT infrastructure, and industrial applications where continuous uptime is essential.

Key Features of Riello DI KIT S3T 10–20kVA ACT Designed for Riello Sentryum S3T Active UPS systems
Compatible with 10kVA, 15kVA, and 20kVA models
Enables dual input power configuration
Improves system redundancy and uptime availability
Supports maintenance without full UPS shutdown
Enhances input power flexibility
Suitable for critical IT and industrial environments
Built specifically for S3T Active architecture
Supports factory or on-site installation
Dual Input Power Architecture The kit enables the UPS to be supplied from two independent power sources, improving resilience and reducing reliance on a single electrical feed.

Designed for Sentryum S3T Active Range Engineered specifically for Riello S3T Active 10–20kVA UPS systems, ensuring full compatibility and seamless integration into the Sentryum platform.

Improved Maintenance Continuity The dual input setup allows servicing of one power line while the UPS continues operating on the alternate supply, supporting uninterrupted operation.

Enhanced System Reliability By separating input feeds, the kit reduces single points of failure and strengthens overall system resilience in critical environments.

Flexible Installation Options The DI KIT can be installed during manufacturing or retrofitted on-site, making it suitable for both new deployments and system upgrades.

Critical Infrastructure Application Ideal for data centres, telecommunications, healthcare systems, and industrial environments where uninterrupted power is essential for operations.

In Stock: 1-2 Days
£204.53
£245.44 Inc Vat
Add To Cart
Riello DI KIT S3M 10-20KVA ACT dual input conversion kit
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to suit S3M Active 10-20kVA

The Riello DI KIT S3M 10–20kVA ACT is a dual input conversion kit designed for Riello Sentryum S3M Active UPS systems. It enables dual power input functionality, improving system resilience, availability, and maintenance flexibility. Suitable for 10kVA, 15kVA, and 20kVA configurations, this kit supports critical power environments where uninterrupted operation is essential, including data centres, IT infrastructure, and industrial applications.

Key Features of Riello DI KIT S3M 10–20kVA ACT Designed for Riello Sentryum S3M Active UPS systems
Compatible with 10kVA, 15kVA, and 20kVA models
Enables dual input power configuration
Improves system redundancy and availability
Supports maintenance without full system shutdown
Enhances power distribution flexibility
Suitable for critical IT and data centre environments
Designed specifically for S3M Active architecture
Can be integrated into new or existing installations
Dual Input Power Capability This kit enables the UPS to operate with two independent power sources, reducing dependency on a single supply and improving overall system reliability in mission-critical environments.

Designed for Sentryum S3M Active Range Engineered specifically for Riello S3M Active UPS models, the DI KIT ensures full compatibility and seamless integration within the Sentryum 10–20kVA platform.

Improved Maintenance Continuity The dual input structure allows one power source to remain active while the other is serviced, helping maintain continuous UPS operation during maintenance procedures.

Enhanced System Reliability By introducing separate input paths, the kit reduces single points of failure and improves overall electrical system resilience in critical infrastructure environments.

Flexible Installation Integration The DI KIT can be installed in both new deployments and existing UPS systems, providing flexibility for upgrades and infrastructure enhancements without major redesign.

Ideal for Critical Power Applications Suitable for data centres, server rooms, telecommunications systems, and industrial operations, this kit enhances uptime and power continuity where reliability is essential.

In Stock: 1-2 Days
£204.53
£245.44 Inc Vat
Add To Cart
Riello PARALLEL KIT S3M S3T Parallel kit
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for Sentryum S3M & S3T



Riello PARALLEL KIT S3M/S3T Parallel kit, for Sentryum S3M & S3T.



In Stock: 1-2 Days
£206.66
£247.99 Inc Vat
Add To Cart
Riello ERKITS3 15-20KVA CPT ACT XTD 20A Battery Charger Kit
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for all Sentryum 15-20kVA models (CPT, ACT and XTD)



Riello ERKITS3 15-20KVA CPT/ACT/XTD 20A Battery Charger Kit, for all Sentryum 15-20kVA models (CPT, ACT and XTD).



In Stock: 1-2 Days
£235.34
£282.41 Inc Vat
Add To Cart
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