Harmony
In any setting - be it a factory, building, infrastructure, or data center - workers aiming for a balance between commands, feedback, and devices can rely on the Harmony Master Series from Schneider Electric. This series provides control and signaling products like pushbutton indicators, control relays, lamppost alarms, and various sizes of HMI (Human Machine Interface) options. These elements work together to create a harmonious interaction between humans and machines.
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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 push button, switches, pilot lights
Harmony XB4
Harmony XB4Ø 22 mm metal push button, switches, pilot lights Harmony XB5 - Ø 22 mm plastic push buttons, switches, pilot lights 
Harmony XB5
Harmony XB5Ø 22 mm plastic push buttons, switches, pilot lights Harmony Wireless Push buttons & Ecosystem - Ø 22 mm battery-less and wireless push button 
Harmony Wireless Push buttons & Ecosystem
Harmony Wireless Push buttons & EcosystemØ 22 mm battery-less and wireless push button 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 9001 SK - Ø 30 mm plastic pushbuttons, switches, and pilot lights 
Harmony 9001 SK
Harmony 9001 SKØ 30 mm plastic pushbuttons, switches, and pilot lights Harmony XAC-A - Pendant control stations for Ø 22 mm plastic signaling units 
Harmony XAC-A
Harmony XAC-APendant 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 - <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 Electromechanical Relays - Interface, miniature, and power electromechanical relays
Harmony Electromechanical Relays
Harmony Electromechanical RelaysInterface, miniature, and power electromechanical relays Harmony Solid State Relays - Slim interfaces, Modular DIN rail and Panel mount solid state relays 
Harmony Solid State Relays
Harmony Solid State RelaysSlim interfaces, Modular DIN rail and Panel mount solid 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 Zelio Timer Relays - Near Field Communication and conventional Timer Relays 
Zelio Timer Relays
Zelio Timer RelaysNear Field Communication and conventional Timer Relays Harmony Analog - Signal conditioners and transducers 
Harmony Analog
Harmony AnalogSignal conditioners and transducers Zelio Count - Counters 
Zelio Count
Zelio 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
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 XVM - Ø 45 mm pre-wired modular tower light 
Harmony XVM
Harmony XVMØ 45 mm pre-wired modular tower light Harmony XVS - Electronic alarms and multisound sirens 
Harmony XVS
Harmony XVSElectronic alarms and multisound 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 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 XVC6 - Ø 60 mm pre-wired monolithic tower lights 
Harmony XVC6
Harmony XVC6Ø 60 mm pre-wired monolithic tower lights Harmony XVDLS - Ø 45 mm monolithic beacons 
Harmony XVDLS
Harmony XVDLSØ 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
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 color HMI panels from 3.5" to 5.7" screen 
Harmony STO & STU
Harmony STO & STUCost effective and compact color 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 - formerly known as Magelis SCU 
Harmony SCU
Harmony SCUHMI controllers for simple machines with up to 16 Is /10 Os including Ø 22mm mounting system - formerly known as Magelis SCU 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
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