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The E-T-A 3120-N311-P7T1-W14XR3-3A is a thermal circuit breaker that combines overcurrent protection with an ON/OFF switch function. It utilizes 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.
Key electrical specifications include a voltage rating of 415V AC and 50V DC, with a current rating of 3A. The current rating range is from 0.1A to 20A. It is a single-pole device with a rocker actuator and red illumination at 115V.
This circuit breaker is designed for panel mounting and is approved by CSA, GB, IEC, and UL standards. Its positively trip-free mechanism ensures reliable disconnection even when the actuator is blocked. The 3120-N series is also available with thermal-magnetic trip options and can be expanded with add-on modules for enhanced functionality.
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 offers features like quick resettability and a space-saving design.
The current rating is 3A.
It is rated for 415V AC and 50V DC.
This is a single-pole (1-pole) circuit breaker.
It features a rocker actuator.
The mounting type is Panel Mount.
The RoHS status is RoHS3 Compliant.
The MSL is Level 1.