How do I choose a latching relay for a smart meter?
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Pulished on Nov. 10, 2026
Learn how to choose the right latching relay for smart meters. Explore UC3 compliance, magnetic immunity, contact resistance, and custom OEM solutions from IVY Metering. Bender RCMB121 Alternative: IVY MD0630 Series for EVSE (IEC 62955)
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Pulished on Nov. 03, 2026
Are you looking for a cost-effective, high-performance alternative to the Bender RCMB121 for your EV charger design? The IVY Metering MD0630 Series is the industry's leading Residual Current Monitoring Unit (RCMU). It strictly complies with IEC 62955(6mA DC/30mA AC detection), offering identical safety standards to Type B protection. Motor Relay: Pure Anti-Tampering Latching Switch with Zero Magnetic Immunity for Smart Meter
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Pulished on Oct. 28, 2026
Traditional magnetic latching relays rely on internal permanent magnets for state retention, making them highly vulnerable to external magnetic disruption. IVY Metering's specialized series utilizes a miniature permanent magnet DC motor coupled with a high-reduction-ratio gear mechanical-lock mechanism. Residual Current Monitoring Relay vs Residual Current Sensor: What's the Difference?
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Pulished on Oct. 13, 2026
When designing earth-leakage protection architectures, electrical engineers often confuse two core components: the residual current monitoring relay (RCMR) and the residual current monitoring unit (RCMU). Although both detect leakage current, their roles at the system level are fundamentally different. How does magnetic immunity affect smart meter relays?
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Pulished on Sep. 30, 2026
To meet increasingly stringent international standards for magnetic field immunity—such as the European IEC 62055-31 UC3 standard, which requires safe performance during short-circuit current testing even under strong magnetic interference—major meter manufacturers are currently enhancing immunity primarily through pulse or motor-driven.









