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 modular metal pushbuttons, switches, and pilot lights

Harmony XB4
Harmony XB4Ø 22 mm modular metal pushbuttons, switches, and pilot lights Harmony XB5 - Ø 22 mm modular plastic push buttons, switches, and pilot lights 
Harmony XB5
Harmony XB5Ø 22 mm modular plastic push buttons, switches, and pilot lights Harmony XB5R - Ø 22 mm battery-less and wireless push buttons 
Harmony XB5R
Harmony XB5RØ 22 mm battery-less and wireless push buttons Harmony 9001 K - Ø 30 mm metal pushbuttons, switches, and pilot lights 
Harmony 9001 K
Harmony 9001 KØ 30 mm metal pushbuttons, switches, and 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 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 monolithic plastic push buttons, switches, and pilot lights 
Harmony XB6
Harmony XB6Ø 16 mm monolithic plastic push buttons, switches, and pilot lights Harmony XALE - Plastic control stations using monolithic XB7 range Ø 22 mm control and signaling units 
Harmony XALE
Harmony XALEPlastic 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 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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- Zelio Relay - Zelio electromechanical relays

Zelio Relay
Zelio RelayZelio electromechanical relays Zelio Relays - Solid State Relays 
Zelio Relays
Zelio RelaysSolid State Relays Zelio Control - Near Field Communication (NFC) and conventional Control Relays 
Zelio Control
Zelio ControlNear Field Communication (NFC) and conventional Control Relays Zelio Time - Timing Relays 
Zelio Time
Zelio TimeTiming 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 signaling 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 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 (up to IP54) 
Harmony XVM
Harmony XVMØ 45 mm pre-wired modular tower light (up to IP54) 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 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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- Magelis GTU - Universal panel

Magelis GTU
Magelis GTUUniversal panel Harmony STO, STU - Small panels 
Harmony STO, STU
Harmony STO, STUSmall panels Magelis SCU - HMI controller for small machine and simple process control 
Magelis SCU
Magelis SCUHMI controller for small machine and simple process control Magelis GTO - Advanced Optimum panels 
Magelis GTO
Magelis GTOAdvanced Optimum panels Magelis GK - Advanced Touchscreen/Keyboard Panels 
Magelis GK
Magelis GKAdvanced Touchscreen/Keyboard Panels
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