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.

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Siemens SIRIUS 3RV2321-4CC10 Motor Protection Circuit Breaker 22A Screw Terminal Appearance Drawing

Product Positioning

The Siemens SIRIUS 3RV2321-4CC10 is a motor protection circuit breaker with an S0 frame and starter combination. It has a rated current of 22A, an instantaneous short-circuit trip value of 286A, and uses screw terminal wiring.

Core Product Advantages and Features

22A rated with 286A instantaneous trip

It falls between grades B and D, covering more medium-sized motor rated current selection needs.

Screw terminal wiring method

The crimping is secure and suitable for most control panel designs that require fixed wiring.

S0 standard frame dimensions

It can be combined with other contactors in the same series to form an integrated starter unit.

Tri-polar design

Simultaneously protect the three-phase circuit, with all three poles disconnecting simultaneously upon short circuit.

project	Specification
brand	Siemens
series	SIRIUS 3RV2
Frame size	S0
Rated current	22 A
Instantaneous short circuit trip value N-release	286 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.

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