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The E-T-A 3120-N324-P7T1-W19DG4-20A is a thermal circuit breaker and switch combination that provides reliable overcurrent protection for motors, pumps, transformers, and cables. It integrates the function of an ON/OFF switch within a single component, utilizing a thermal bimetal trip element.
This 2-pole breaker is rated for 240V AC and 50V DC, with a maximum current rating of 20A. It features a panel mount design with a green rocker actuator, suitable for nominal illumination voltages of 230V. The positively trip-free mechanism ensures reliable disconnection even when the actuator is blocked, and the unit can be easily reset after tripping.
Key features include its space-saving design and suitability for applications requiring overload protection matched to the load, preventing nuisance tripping. It is also suitable for use in medical equipment according to IEC/EN 60601 standards. The series offers expandable functionality through add-on modules for various control and signaling purposes.
Typical applications include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools. The breaker is approved by CSA, KTL, UL, and VDE.
240V AC and 50V DC.
20A maximum.
2 poles.
Thermal circuit breaker.
Rocker actuator.
Panel mount.
Yes, green illumination with a nominal voltage of 230V.