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Siemens 3RV2321-4DC20 SIRIUS Motor Protection Circuit Breaker

Siemens 3RV2321-4DC20 SIRIUS motor protection circuit breaker, 25A.

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ManufacturerSiemens

Part number3RV2321-4DC20

Part Number 3RV2321-4DC20

Manufacturer Siemens

Series SIRIUS 3RV2

Size S0

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Motor protection circuit breaker Size S0 25A rated current 325A N-release Spring-type terminals Standard switching capacity SIRIUS series

Product description

The Siemens 3RV2321-4DC20 is a SIRIUS motor protection circuit breaker in size S0. It is designed for starter combinations with a rated current of 25A and an N-release setting of 325A. This breaker features spring-type terminals for secure connections and offers standard switching capacity. It provides reliable protection for motors against overload and short circuits.

This circuit breaker is essential for protecting electric motors in industrial applications, preventing damage from electrical faults and ensuring operational continuity. It is widely used in motor control centers, pump stations, conveyor systems, and HVAC applications across various industries.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RV2321-4DC20. We are committed to providing high-quality industrial automation components. When you source from Stanlo, you can trust in the reliability and performance of our parts, backed by our dedication to customer satisfaction and efficient service.

Technical specifications

Part Number	3RV2321-4DC20
Manufacturer	Siemens
Series	SIRIUS 3RV2
Size	S0
Rated Current	25A
N-release	325A
Switching Capacity	Standard
Connection	Spring-type terminal
Poles	3
Rated Operating Voltage	690V

Common applications

Motor control centers

Pump stations

Conveyor systems

HVAC systems

Industrial machinery

Manufacturing automation

Compatible systems

Siemens SIRIUS motor starters Motor control circuits

Also known as

Siemens SIRIUS 3RV25 25A Motor Circuit Breaker

Replaces / compatible with

Replaces older Siemens 3RV1 series circuit breakers or provides protection for motor circuits previously protected by fuses or overload relays.

Technical note

Expert tip

Ensure the ambient temperature and mounting conditions are within the specified limits for the SIRIUS 3RV2 series to guarantee accurate tripping characteristics.

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Frequently asked questions

What is the N-release setting for the Siemens 3RV2321-4DC20 circuit breaker?

The Siemens 3RV2321-4DC20 circuit breaker has an N-release (short-circuit release) setting of 325A. This setting determines the current at which the breaker will trip in response to a short circuit, providing rapid protection for the motor.