3RV2321-4DC10

The 3RV2321-4DC10 is an S0 frame motor protection circuit breaker with a rated current of 25A and an instantaneous short-circuit trip value of 325A. It adopts a screw terminal wiring method and has a breaking capacity of 55kA under 400V AC. It can be combined with SIRIUS contactors to form a standard starter combination and is suitable for general industrial motor control panel designs.

Share To

Siemens SIRIUS 3RV2321-4DC10 Motor Protection Circuit Breaker 25A Screw Terminal Appearance Drawing

Product Positioning

The Siemens SIRIUS 3RV2321-4DC10 is a motor protection circuit breaker with an S0 frame and starter combination. It has a rated current of 25A, an instantaneous short-circuit trip value of 325A, and uses screw terminal wiring.

Core Product Advantages and Features

Screw terminal wiring method

The contact pressure is stable, making it suitable for production line environments with high vibration or requiring long-term maintenance-free operation.

25A rated with 325A instantaneous trip

It can meet the starting protection requirements of motors with a power rating of approximately 11kW (400V).

55kA breaking capacity at 400V AC

It effectively suppresses the damage caused by short-circuit faults to downstream equipment.

S0 standard frame dimensions

It is compatible with SIRIUS contactors and auxiliary contact modules, offering high assembly flexibility.

project	Specification
brand	Siemens
series	SIRIUS 3RV2
Frame size	S0
Rated current	25 A
Instantaneous short circuit trip value N-release	325 A
Extreme number	3P
Rated operating voltage	690 V AC
Rated short-circuit breaking capacity Icu (400V AC)	55 kA
Rated short-circuit breaking capacity Icu (690V AC)	4 kA
Terminal type	Screw-type terminals
Overload protection method	Fixed rated current, stepless adjustment, requires an overload relay.
Protection level	IP20
Installation method	35 mm DIN rail (EN 60715)
Operating ambient temperature	-20°C ~ 60°C
Product Uses	Circuit breaker for starter combination.

Recommend

3RV2321-4DC16

The 3RV2321-4DC16 belongs to the Siemens SIRIUS 3RV2321 series, S0 frame starter combination circuit breaker product line. The information available on this platform is currently limited. It is recommended to confirm the latest information from Kenxin Motor regarding the rated current, short-circuit trip value and other detailed specifications before placing an order to ensure that the correct part number is purchased.

3RV2321-4CC10

The 3RV2321-4CC10 is a Siemens SIRIUS S0 frame motor protection circuit breaker with a rated current of 22A, an instantaneous short-circuit trip value of 286A, screw terminal wiring, and a wide operating voltage of 690V AC covering most three-phase motor applications. It can be combined with SIRIUS contactors to form a complete starter combination solution.

3RV2321-4BC20

The 3RV2321-4BC20 is a Siemens SIRIUS S0 frame motor protection circuit breaker with a rated current of 20A and an instantaneous short-circuit trip value of 260A. It adopts a spring terminal design, which can be quickly connected without tools. It has a maximum operating voltage of 690V AC and is suitable for mass production lines to improve assembly efficiency.