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The E-T-A 3120-N321-P7T1-W01L-20A is a two-pole thermal circuit breaker that combines overcurrent protection with the function of an ON/OFF switch. It utilizes a bimetal trip element and is suitable for overload protection of motors, pumps, transformers, and cables. The breaker can be easily and quickly reset after tripping.
This thermal circuit breaker has a voltage rating of 240V AC and 50V DC, with a current rating of 20A. It is designed for panel mounting and features a rocker actuator. The internal resistance per pole at 20A is less than 0.02 Ω.
Typical applications for this series include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools. It is suitable for use in medical equipment according to IEC/EN 60601.
The 3120-N series offers expandable functionality through add-on modules for low voltage release, auxiliary contact function, remote trip, or fast magnetic trip.
240VAC and 50VDC.
20A.
2 poles.
Thermal.
Panel mount.
Rocker.
Maximum 0.02 ohms per pole at 20A.