Harmony
Harmony operator interface and industrial relays enhance operational efficiency and equipment availability across industrial and building applications. Harmony includes intelligent connected products and edge terminals that visualise, gather, and process data, enabling informed operator decisions.
This includes machine interface and control products such as pushbutton switches, emergency stops, indicator lights, control relays and safety relays, and signalling devices such as stack lights or rotating beacons.
Explore our offer

Discover a large choice of pushbuttons, switches, emergency stops, and indicator lights to cover most industrial applications. Available worldwide in metal and plastic versions, the Harmony line fits your needs for robustness, safety, and simplicity.
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- Harmony XB4 - Ø 22 mm modular metal pushbuttons, switches, and pilot lights
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Harmony XB4
Harmony XB4Ø 22 mm modular metal pushbuttons, switches, and pilot lights Harmony XB5 - Ø 22 mm modular plastic pushbuttons, switches, and pilot lights -

Harmony XB5
Harmony XB5Ø 22 mm modular plastic pushbuttons, switches, and pilot lights Harmony XB5R - Ø 22 mm battery-less and wireless pushbuttons -

Harmony XB5R
Harmony XB5RØ 22 mm battery-less and wireless pushbuttons Harmony 9001 K - Ø 30 mm metal pushbuttons, switches, pilot lights -

Harmony 9001 K
Harmony 9001 KØ 30 mm metal pushbuttons, switches, pilot lights Harmony 9001SK - Ø 30 mm plastic pushbuttons, switches, pilot lights -

Harmony 9001SK
Harmony 9001SKØ 30 mm plastic pushbuttons, switches, pilot lights Harmony XAC Pendant control stations - Pendant control stations for Ø 22 mm plastic signaling units -

Harmony XAC Pendant control stations
Harmony XAC Pendant control stationsPendant control stations for Ø 22 mm plastic signaling units Harmony XALD, XALK - Plastic control stations using XB5 range Ø 22 mm control and signaling units -

Harmony XALD, XALK
Harmony XALD, XALKPlastic control stations using XB5 range Ø 22 mm control and signaling units Harmony XAP, XB2 SL - Metal and insulated enclosures using XB4 range Ø 22 mm control and signaling units -

Harmony XAP, XB2 SL
Harmony XAP, XB2 SLMetal and insulated enclosures using XB4 range Ø 22 mm control and signaling units Harmony XB6 - Ø 16 mm plastic pushbuttons, switches, and pilot lights -

Harmony XB6
Harmony XB6Ø 16 mm plastic pushbuttons, switches, and pilot lights Harmony XVL - Ø 8-12 mm LED plastic pilot lights -

Harmony XVL
Harmony XVLØ 8-12 mm LED plastic pilot lights Harmony XB5S - Ø 22 mm fingerprint biometric switches -

Harmony XB5S
Harmony XB5SØ 22 mm fingerprint biometric switches

Renowned for its robustness and accuracy, Harmony industrial relays offer an ideal solution for wired logic functions. Harmony relays hold a complete portfolio of electromechanical, solid-state, timing, control and monitoring relays, as well as counters and interfaces.
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- Harmony Electromechanical Relays - Interface, miniature, and power electromechanical relays
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Harmony Electromechanical Relays
Harmony Electromechanical RelaysInterface, miniature, and power electromechanical relays Harmony Solid State Relays - Solid-State Relays -

Harmony Solid State Relays
Harmony Solid State RelaysSolid-State Relays Harmony Control Relays - Near Field Communication (NFC) and conventional Control Relays -

Harmony Control Relays
Harmony Control RelaysNear Field Communication (NFC) and conventional Control Relays Harmony Timer Relays - Near Field Communication and conventional Timer Relays -

Harmony Timer Relays
Harmony Timer RelaysNear Field Communication and conventional Timer Relays Zelio Analogue - Analog Converters (formerly known as Zelio Analog) -

Zelio Analogue
Zelio AnalogueAnalog Converters (formerly known as Zelio Analog)

Harmony safety includes comprehensive, scalable industrial safety offers, including a wide variety of safety switches. Harmony safety products help to cover the most critical safety functions for your machine, from acquiring information, monitoring, and processing to emergency cut-offs.

Harmony signalling devices include tower lights, stack lights, rotating beacons, and audible alarms to provide operators with a reliable status indication and voice guidance to help them rectify problems more quickly.
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- Harmony XVB - Ø 70 mm modular beacons and tower lights
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Harmony XVB
Harmony XVBØ 70 mm modular beacons and tower lights Harmony XVU - Ø 60 mm modular tower lights -

Harmony XVU
Harmony XVUØ 60 mm modular tower lights Harmony XVS - Electronic alarms and multi sound sirens -

Harmony XVS
Harmony XVSElectronic alarms and multi sound sirens Harmony XVR - Ø 80 - 130 mm pre-wired rotating/flashing beacons -

Harmony XVR
Harmony XVRØ 80 - 130 mm pre-wired rotating/flashing beacons

Harmony is the world's most popular family of HMI terminals. By meeting the unique needs of global customers, Harmony has proven reliable in presenting a clear picture of their business, application, and machine performance on a daily basis.
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- Harmony ST6 - High-resolution and cost-efficient basic HMI
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Harmony ST6
Harmony ST6High-resolution and cost-efficient basic HMI Harmony GTU - High performance IoT-ready modular HMI panels from 7" to 19"W screen - formerly known as Magelis GTU -

Harmony GTU
Harmony GTUHigh performance IoT-ready modular HMI panels from 7" to 19"W screen - formerly known as Magelis GTU Harmony SCU - HMI controllers from 3.5" to 5.7" color screens with 16/Os in Ø 22mm mounting system -

Harmony SCU
Harmony SCUHMI controllers from 3.5" to 5.7" color screens with 16/Os in Ø 22mm mounting system Harmony GTO - Standard and stainless HMI panels with 3.5" to 12.1" screen - formerly known as Magelis GTO -

Harmony GTO
Harmony GTOStandard and stainless HMI panels with 3.5" to 12.1" screen - formerly known as Magelis GTO Harmony GK - Keyboard HMI including configurable touchscreen display adapted to severe environment - formerly known as Magelis GK -

Harmony GK
Harmony GKKeyboard HMI including configurable touchscreen display adapted to severe environment - formerly known as Magelis GK
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