3RV2321-4EC20
The SIRIUS 3RV2321-4EC20 is an S0-size starter combination circuit breaker with a rated current of 32A, a short-circuit instantaneous release value of 400A, magnetic short-circuit protection only (excluding overload release), spring-loaded terminal wiring, and a breaking capacity of 4kA at 690V. Kenxin Motor provides original factory authorized sources.
Product Positioning
The 3RV2321-4EC20 is a Siemens SIRIUS 3RV2 series S0 size circuit breaker. It only has magnetic instantaneous short-circuit release and no built-in overload protection. It needs to be paired with an independent overload relay to form a complete starter.
Core Product Advantages and Features
Pure magnetic short-circuit release
It only provides short-circuit protection and has no built-in overload trip function.
Rated current 32A
The short-circuit instantaneous release value is 400A, and the response is rapid and reliable.
Spring-type terminals
Screwless, quick-connect wiring shortens installation and maintenance time.
Use with overload relay
It needs to be combined with an independent overload relay to form a complete motor starting protection.