Monitoring relays
Here you will find a large selection Monitoring relays for the protection of plant and machinery.
Controller type
Operating mode
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excl. VAT
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excl. VAT
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excl. VAT
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excl. VAT
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excl. VAT
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excl. VAT
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excl. VAT
Product information
Current monitoring relay are used to monitor the current and protect machines and systems from over- or undercurrent. When a set limit value is reached, the protective shutdown takes place. Voltage monitoring relay monitor the voltage in 1-phase and 3-phase systems. They are used, for example, to protect electrical controls, motors and control systems from overvoltage or undervoltage.