{"id":1655,"date":"2026-09-25T13:35:10","date_gmt":"2026-09-25T13:35:10","guid":{"rendered":"https:\/\/ritoks.com\/?post_type=product&p=1655"},"modified":"2026-09-26T06:29:22","modified_gmt":"2026-09-26T06:29:22","slug":"residual-current-monitoring-devices-with-external-cts","status":"publish","type":"product","link":"https:\/\/ritoks.com\/fr\/products\/residual-current-monitoring-devices-with-external-cts\/","title":{"rendered":"Dispositifs de surveillance du courant r\u00e9siduel avec transformateurs de courant externes"},"content":{"rendered":"
\"Residual<\/figure><\/div>

Residual Current Monitoring \u00b7 Atto RCM D4 ECT<\/p>

Residual Current Monitoring Devices with External CTs<\/h1>

This RCM candidate monitors residual current through matched differential-current transformers and communicates alarms over RS485.<\/p>

Three differential-current channels<\/strong>Channels<\/span><\/p><\/div>

RS485 Modbus RTU<\/strong>Interface<\/span><\/p><\/div>

Matched ECT residual-current transformers<\/strong>Sensors<\/span><\/p><\/div>

Monitoring and alarm; no protective trip<\/strong>Function<\/span><\/p><\/div><\/div>

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Overview<\/a> |<\/span> Models<\/a> |<\/span> Specifications<\/a> |<\/span> Applications<\/a> |<\/span> Selection<\/a> |<\/span> Faq<\/a> |<\/span> Related Products<\/a> |<\/span> RFQ<\/a><\/p><\/div>\n\n

Product Overview<\/h2>

This device supplies monitoring and alarm functions for leakage-current supervision. It does not replace a protective RCCB or RCBO in a circuit.<\/p><\/div>

Key Features<\/h3>