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.
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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 metal pushbuttons, switches, pilot lights

Harmony XB4
Harmony XB4Ø 22 mm metal pushbuttons, switches, pilot lights Harmony XB5 - Ø 22 mm plastic pushbuttons, switches, pilot lights 
Harmony XB5
Harmony XB5Ø 22 mm plastic pushbuttons, switches, pilot lights Harmony XB5R - Ø 22 mm wireless and batteryless pushbuttons 
Harmony XB5R
Harmony XB5RØ 22 mm wireless and batteryless pushbuttons Harmony 9001 K - Ø 30 mm metal push buttons, switches, pilot lights 
Harmony 9001 K
Harmony 9001 KØ 30 mm metal push buttons, 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 and enclosures for Ø 22 mm plastic signaling units (XB5) 
Harmony XALD, XALK
Harmony XALD, XALKPlastic control stations and enclosures for Ø 22 mm plastic signaling units (XB5) Harmony XAP, XB2 SL - <p>Metal control stations for use with Harmony XB4 and XB5 ranges Ø 22 mm control signaling units</p> 
Harmony XAP, XB2 SL
Harmony XAP, XB2 SLMetal control stations for use with Harmony XB4 and XB5 ranges Ø 22 mm control signaling units
Harmony XB6 - Ø 16 mm plastic push buttons, switches, pilot lights 
Harmony XB6
Harmony XB6Ø 16 mm plastic push buttons, switches, pilot lights Harmony XALE - Plastic control stations and enclosures for Ø 22 mm plastic monolithic signaling units (XB7) 
Harmony XALE
Harmony XALEPlastic control stations and enclosures for Ø 22 mm plastic monolithic signaling units (XB7) Harmony XVL - Ø 8-12 mm LED plastic pilot lights 
Harmony XVL
Harmony XVLØ 8-12 mm LED plastic pilot lights Harmony XB5S - Biometric switches Ø 22 mm 
Harmony XB5S
Harmony XB5SBiometric switches Ø 22 mm
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 Relay(s) - Relays

Harmony Relay(s)
Harmony Relay(s)Relays Harmony Control Relays - Monitoring & Control Relays 
Harmony Control Relays
Harmony Control RelaysMonitoring & Control Relays Zelio Time - Timing Relays 
Zelio Time
Zelio TimeTiming Relays Harmony Analogue - Analog Converters 
Harmony Analogue
Harmony AnalogueAnalog Converters Harmony Count - Counters 
Harmony Count
Harmony CountCounters
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 (up to IP66)

Harmony XVB
Harmony XVBØ 70 mm modular beacons and tower lights (up to IP66) Harmony XVM - Ø 45 mm pre-wired modular tower light (up to IP54) 
Harmony XVM
Harmony XVMØ 45 mm pre-wired modular tower light (up to IP54) Harmony XVS - Multifunctional electrnoic alarms and multisound sirens 
Harmony XVS
Harmony XVSMultifunctional electrnoic alarms and multisound sirens Harmony XVR - Ø 84 to 130 mm pre-wired rotating/flashing beacons 
Harmony XVR
Harmony XVRØ 84 to 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 XVCØ 40, Ø 60, and Ø 100 mm pre-wired monolithic tower lights Harmony XVDLS - monolithic beacons 
Harmony XVDLS
Harmony XVDLSmonolithic 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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