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Interface, Measurement and Control Relays

Discover a complete portfolio of electrical relays including electromechanical, solid-state, timer, control, and monitoring relays, as well as counters and interfaces. Available worldwide and renowned for their robustness and accuracy, Zelio relays offer an ideal solution for both PLC interfaces and wired logic functions.

Automation Relays

Enhance operational efficiency and optimize equipment availability with Zelio, our widest range of relays. Zelio relays are designed, manufactured and tested to meet your needs for both wired logic functions and PLC interfaces.

Zelio Count

Zelio Count

Electronic Counters. Control Relays, Totalisers, preselection and hour Counters, recording events from electrical pulses or contacts.
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Harmony Electromechanical Relays

Harmony Electromechanical Relays

Interface, miniature, and power electromechanical relays. A complete range of electromechanical relays including interface, miniature, and power relays from 1 CO to 4 CO contacts, up to 30 A.
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Harmony Control Relays

Harmony Control Relays

Near Field Communication (NFC) and conventional Control Relays (formerly known as Zelio Control Relays). Zelio Control Relays monitor and detect abnormal operating conditions about phases, current, voltage, frequency, speed, or temperature. They also control liquid levels and process operating rate. Available in both technologies, conventional dials or NFC.
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Zelio Timer Relays

Zelio Timer Relays

Near Field Communication and conventional Timer Relays. Zelio Timer Relays, a complete range of high-performance timing relays for industrial applications. Available in both technologies, conventional dials or NFC
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Interface Relays

Zelio interface relays are designed for interfacing discrete digital control signals exchanged within an automated system between the processing unit and other components. Our offer also includes analog converters for converting signals from sensors or electrical measurement devices into standard electrical signal.

Zelio Interface

Zelio Interface

Electromechanical and solid state interfaces for discrete signals. Designed for interfacing discrete digital control signals exchanged within an automated system between the processing unit and the other components.
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Harmony Analog

Harmony Analog

Analog Converters. Zelio Analog converters are designed to convert signals from sensors or electrical measurement devices into standard electrical signal.
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Safety Modules

Preventa XPS

Preventa XPS

Safety Modules. Safety modules
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