Experience high switching frequency for precise and quick control, long lifetime, and silent operation with Harmony Solid State Relays.

Our complete product range offers slim interface (SSL), modular DIN rail (SSD, SSM), and panel mount (SSP) solid state relays that provide compact and innovative solutions for a wide variety of applications with interfacing control and load switching.

They are the ideal solution for packaging, plastic moulding, textile, and heating furnace applications.

The innovative Harmony SSD relays have a high-power density (up to 35 A for 22.5 mm models, up to 60 A for 45 mm models) to optimise the size of your enclosure.
Available in two configurations, Relay and new Contactor type with a spring or screw plug-in for input terminals. A unique range of output terminals from standard screw, telescopic, or clamp cage is also available to meet your wiring preference.
It is the first range of Harmony Relay to comply with IEC 61373 (for railway & rolling stock) and IEC 60947-4-3 (for Electromagnetic compatibility).
Please note that SSD is a substitution launch for SSM1 (22.5, 45mm), which will discontinue in October 2022.

Single-phase and three-phase panel mount solid state relays with a range of heat sinks and accessories to meet application needs from 10 A to 125 A. Easy product selection with simplified product nomenclature.

Wide choice of heat sinks with thermal resistance ratings from 0.2 °C/W to 2.5 °C/W available for selection to meet your application needs.

Innovative SSP1.S with smart diagnostics including a test button for easy debugging, testing, and commissioning to provide superior, safe, and reliable performance in diverse applications.