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Siemens 3RV2031-4JA10 Size S2 Motor Protection Circuit Breaker

Siemens 3RV2031-4JA10 Size S2 motor protection circuit breaker

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ManufacturerSiemens

Part number3RV2031-4JA10

Size S2

Rated operational current (Ie) 65 A

Adjustment range of overload releases 54...65 A

Actuation type THERMAL

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Motor protection Size S2 Class 10 Adjustable thermal release High current range (54-65A) Screw terminals

Product description

The Siemens 3RV2031-4JA10 is a Size S2 motor protection circuit breaker designed for higher current applications. It offers a Class 10 thermal overload protection with an adjustable A-release range of 54 to 65 A, and a short-circuit N-release at 845 A. This breaker utilizes screw terminals for robust connections and provides standard switching capacity, suitable for protecting larger motors.

This circuit breaker is employed in industrial settings to safeguard motors that operate at higher power ratings. Applications include large pumps, industrial fans, compressors, and heavy-duty machinery where reliable protection against overcurrent and short circuits is paramount for operational continuity.

Stanlo Automation, a veteran-owned business, is your trusted source for surplus automation parts like the Siemens 3RV2031-4JA10. We provide meticulously inspected and tested components, ensuring you receive dependable solutions for your industrial automation needs.

Technical specifications

Size	S2
Rated operational current (Ie)	65 A
Adjustment range of overload releases	54...65 A
Actuation type	THERMAL
Trip class	CLASS 10
Number of poles	3
Voltage	400 V
Protection class	IP20

Common applications

Large motor protection

Industrial pumps

Heavy-duty fans

Compressors

Manufacturing machinery

Material handling

Compatible systems

Industrial motor control systems operating within the 54-65A range

Also known as

Siemens 3RV2 54-65A breaker S2 motor starter protector 3RV2031-4JA10 Siemens high current circuit breaker

Replaces / compatible with

The Siemens 3RV2031-4JA10 is part of the 3RV2 series and is designed for robust motor protection in higher current ranges. It serves as a reliable replacement for older or comparable motor protection devices in its specified current capacity.

Technical note

Expert tip

When setting the thermal overload (A-release) on the 3RV2031-4JA10, ensure it is correctly calibrated to the motor's nameplate full load current (FLA) within the 54-65A range for optimal protection.

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Frequently asked questions

What is the maximum motor current this Siemens 3RV2031-4JA10 circuit breaker can protect?

The Siemens 3RV2031-4JA10 has an adjustable overload release that can be set from 54 A up to 65 A. This allows it to effectively protect motors with full load currents within this higher range, offering Class 10 thermal protection.