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The E-T-A 3120-N321-P7T1-W19DG3-20A is a two-pole thermal circuit breaker that combines overcurrent protection with an ON/OFF switch function. It features a thermal-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 model has a nominal current rating of 20A and supports voltage ratings of 240V AC and 50V DC, with AC 415V available upon request. It is designed for panel mounting and features a green rocker actuator. The circuit breaker is approved by CSA, KTL, UL, and VDE.
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. The positively trip-free mechanism ensures reliable disconnection even when the actuator is blocked.
The current rating is 20A.
It is rated for 240V AC and 50V DC.
It has 2 poles.
It is a thermal circuit breaker.
The mounting type is Panel Mount.
The RoHS status is RoHS3 Compliant.
The MSL is 1 Unlimited.