Lovato Solid State Relays

Lovato solid state relays offer a reliable and efficient alternative to traditional electromechanical relays, providing noiseless operation, long service life, and high-speed switching. Built for demanding industrial environments, these relays are ideal for applications where frequent cycling and precise control are essential. Their robust design eliminates mechanical wear and arcing, making them especially suitable for automation systems that require consistent performance over time.
These relays are available in a variety of models to suit different voltage and current requirements, accommodating both AC and DC loads. Lovato solid state relays integrate seamlessly into control panels, with options for DIN rail or panel mounting, and include features such as LED status indicators and built-in snubber circuits to protect against voltage spikes. Their compact size and simplified wiring contribute to easy installation and efficient use of space in electrical enclosures.
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Relays: Electromechanical vs Solid State
Electromechanical relays (EMR)
Electromechanical relays (EMR) use physical moving parts to achieve the desired functionality. These moving parts include the contacts that switch between the normally open and normally closed stationary contacts in the relay. This movement is made possible by an electromagnet. When power is applied to this magnet, it will act on the movable contact causing the relay to switch. In an EMR, it is common to hear the switching sound that is represented as a “clicking” noise. This audible noise can be helpful when determining the functionality of the relay.
Solid-state relays (SSR)
Solid-state relays (SSR) use a low power, electrical signal to generate an optical semiconductor signal that will transmit and energize an output signal. When this is activated, the input optical signal will act as the switch, allowing a higher voltage signal to pass through the relays output components. The internal circuitry of a SSR is far more complex than an EMR, but there are no physical moving parts.