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Siemens 3RV2031-4RA10 SIRIUS Motor Protection Circuit Breaker

Siemens 3RV2031-4RA10 SIRIUS Motor Protection Circuit Breaker.

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ManufacturerSiemens

Part number3RV2031-4RA10

Size S2

Class 10

A-release 70-80 A

N-release 1040 A

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12-month warranty

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Motor protection Size S2 Class 10 tripping Adjustable current settings High N-release Screw terminals

Product description

The Siemens 3RV2031-4RA10 is a Size S2 motor protection circuit breaker within the SIRIUS 3RV2 series. It features a Class 10 tripping characteristic with an adjustable A-release range of 70-80 A and a significant N-release of 1040 A. This breaker is designed for robust motor protection, offering standard switching capacity and utilizing screw terminals for reliable connections.

This unit is engineered for demanding industrial applications, providing essential protection for motors in sectors such as heavy manufacturing, processing plants, and large-scale automation. Its Class 10 rating ensures timely tripping for overload conditions, safeguarding equipment.

Stanlo Automation, a veteran-owned surplus parts distributor, is your trusted source for the Siemens 3RV2031-4RA10. We pride ourselves on delivering quality components with exceptional service, ensuring your operations run smoothly with reliable and cost-effective solutions.

Technical specifications

Size	S2
Class	10
A-release	70-80 A
N-release	1040 A
Terminals	Screw
Switching Capacity	Standard
Poles	3
Voltage	690V AC

Common applications

Heavy motor loads

Industrial machinery

Process control

Manufacturing automation

Power distribution

Compatible systems

Compatible with Siemens SIRIUS motor control systems and components.

Also known as

Siemens SIRIUS 3RV2031-4RA10 3RV20314RA10 Siemens Motor Starter Protector

Replaces / compatible with

This part is part of the Siemens SIRIUS 3RV2 series and is designed for direct replacement within compatible systems.

Technical note

Expert tip

The high N-release rating of 1040A ensures selective coordination in systems with multiple protection devices, preventing nuisance tripping during high inrush currents.

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Frequently asked questions

What are the key protection features of the Siemens 3RV2031-4RA10 circuit breaker?

The Siemens 3RV2031-4RA10 offers both thermal overload protection (adjustable 70-80A) and magnetic short-circuit protection (1040A N-release). It also features phase loss sensitivity and a Class 10 tripping characteristic for reliable motor safeguarding.