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 XB4"Ø 22 mm modular metal pushbuttons, switches, and pilot lights" Harmony XB5 - "Ø 22 mm modular plastic pushbuttons, switches, and pilot lights" -

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

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

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

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

Harmony-XAC
Harmony-XAC"Pendant 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, XALK"Plastic control stations using XB5 range Ø 22 mm control and signaling units" Harmony XAM, XAP - Metal and insulated enclosures using XB4 range Ø 22 mm control and signaling units -

Harmony XAM, XAP
Harmony XAM, XAPMetal 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 XB6"Ø 16 mm plastic pushbuttons, switches, and pilot lights" Harmony XALE - "Plastic control stations using monolithic XB7 range Ø 22 mm control and signaling units" -

Harmony XALE
Harmony XALE"Plastic control stations using monolithic XB7 range Ø 22 mm control and signaling units" 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 XB5S"Ø 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 - "Slim Interface, Miniature, Power, and Universal Relays"
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Harmony Electromechanical Relays
Harmony Electromechanical Relays"Slim Interface, Miniature, Power, and Universal Relays" Harmony Solid State Relays - "Slim interfaces, Modular DIN rail and Panel mount solid state relays" -

Harmony Solid State Relays
Harmony Solid State Relays"Slim interfaces, Modular DIN rail and Panel mount solid state relays" Harmony Control Relays - "Control Relays standard version or Near Field Communication (NFC)" -

Harmony Control Relays
Harmony Control Relays"Control Relays standard version or Near Field Communication (NFC)" Harmony Timer Relays - "Timer relays standard version and Near Field Communication (NFC)" -

Harmony Timer Relays
Harmony Timer Relays"Timer relays standard version and Near Field Communication (NFC)" Harmony Analog - "Analog Converters (formerly known as Zelio Analog)" -

Harmony Analog
Harmony Analog"Analog 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.
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- Preventa XPS - "Safety Modules. This solution provides the optimum answer for monitoring a function. - Safety Relay"
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Preventa XPS
Preventa XPS"Safety Modules. This solution provides the optimum answer for monitoring a function. - Safety Relay" Harmony XPS - Basic and Universal Safety Modules -

Harmony XPS
Harmony XPSBasic and Universal Safety Modules
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 (up to IP66)
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Harmony XVB
Harmony XVBØ 70 mm modular beacons and tower lights (up to IP66) Harmony XVU - "Ø 60 mm modular tower lights" -

Harmony XVU
Harmony XVU"Ø 60 mm modular tower lights" Harmony XVM - "Ø 45 mm pre-wired modular tower light" -

Harmony XVM
Harmony XVM"Ø 45 mm pre-wired modular tower light" Harmony XVS - "Electronic alarms and multi sound sirens" -

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

Harmony XVR
Harmony XVR"Ø 80 - 130 mm pre-wired rotating/flashing beacons" Harmony XVC - "Ø 40, Ø 60, and Ø 100 mm pre-wired monolithic tower lights" -

Harmony XVC
Harmony XVC"Ø 40, Ø 60, and Ø 100 mm pre-wired monolithic tower lights" Harmony XVDLS - "Ø 45 mm monolithic beacons" -

Harmony XVDLS
Harmony XVDLS"Ø 45 mm monolithic 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 -

Harmony GTU
Harmony GTUHigh performance IoT-ready modular HMI panels from 7" to 19"W screen Harmony STO & STU - Cost effective and compact colour HMI panels from 3.5" to 5.7" screen -

Harmony STO & STU
Harmony STO & STUCost effective and compact colour HMI panels from 3.5" to 5.7" screen Harmony SCU - HMI controllers for simple machines with up to 16 Is /10 Os including Ø 22mm mounting system -

Harmony SCU
Harmony SCUHMI controllers for simple machines with up to 16 Is /10 Os including Ø 22mm mounting system Harmony HMI GTO - Standard and stainless HMI panels with 3.5" to 12.1" screen -

Harmony HMI GTO
Harmony HMI GTOStandard and stainless HMI panels with 3.5" to 12.1" screen Harmony GK - Advanced Touchscreen/Keyboard Panels -

Harmony GK
Harmony GKAdvanced Touchscreen/Keyboard Panels
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