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Unleash Next-Level Safety: Meet the JCB3LM-80 ELCB (RCCB)

Jul-24-2025
wanlai electric

In the critical world of electrical safety, compromise isnt an option. Ensure your installations meet the highest standards with the JCB3LM-80 ELCB (Earth Leakage Circuit Breaker), engineered for reliable, life-saving protection against leakage currents.

Electrical faults, particularly leakage currents, pose silent but severe risks from fatal electric shocks to devastating fires. The JCB3LM-80 ELCB is your dedicated guardian against these dangers. Designed for precision, it continuously monitors circuit balance. When it detects a leakage current as low as 30mA a threshold critical for preventing human electrocution it triggers an instantaneous shutdown within milliseconds (0.1s). This rapid response drastically reduces the risk of injury or death.

Beyond personal protection, the JCB3LM-80 safeguards your valuable assets. Electrical leakage is a prime cause of fire ignition. By cutting off fault currents instantly, this ELCB significantly mitigates the risk of electrical fires, protecting buildings, equipment, and inventory. Its robust 80A rated current capacity makes it perfectly suited for demanding applications in commercial buildings, industrial workshops, retail spaces, and larger residential complexes. Engineered for diverse environments, it operates reliably within a wide temperature range (-25°C to +40°C), ensuring consistent performance where you need it most. Rigorously tested to meet international safety standards (IEC/EN 61008-1), the JCB3LM-80 delivers proven, dependable protection you can trust.

The JCB3LM-80 simplifies electrical panel management with its compact modular design—occupying just 2.5 DIN units. Contractors appreciate the tool-free terminal connectors that halve installation time versus screw-type alternatives. For facility managers, quarterly self-testing via the integrated “T” button ensures ongoing reliability without specialist tools.

When a Dubai shopping mall upgraded to JCB3LM-80 units, they resolved recurring nuisance tripping from desert dust infiltration while reducing electrical incidents by 78% in 12 months. Similarly, a Vietnamese seafood processing plant reported zero equipment damage during monsoon season after installation—despite chronic humidity issues.

Choose Safety. Choose Reliability. Choose JCB3LM-80.

Residual Current Circuit Breaker

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