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Siemens 3RV2331-4KC10 Size S2 Circuit Breaker

Siemens 3RV2331-4KC10 Size S2 circuit breaker for starter combinations.

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ManufacturerSiemens

Part number3RV2331-4KC10

Size S2

Rated Current 73 A

N-release 949 A

Connection Type Screw terminal

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Size S2 for starter combinations 73A rated current 949A N-release setting Screw terminal connections Standard switching capacity

Product description

The Siemens 3RV2331-4KC10 is a Size S2 motor protection circuit breaker, designed for robust starter combinations. It features a high rated current of 73A and an N-release setting of 949A, offering substantial protection for demanding industrial motor applications. This breaker is equipped with screw terminals for secure connections and provides standard switching capacity.

This heavy-duty circuit breaker is crucial for protecting large electric motors and electrical systems in industries such as heavy manufacturing, power generation, and large-scale processing plants. It is ideal for applications involving high-power motors, large pumps, and complex automated machinery where reliable overcurrent protection is paramount.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3RV2331-4KC10. We provide reliable access to high-quality components, helping you minimize downtime and maintain cost-efficiency in your operations.

Technical specifications

Size	S2
Rated Current	73 A
N-release	949 A
Connection Type	Screw terminal
Switching Capacity	Standard

Common applications

Motor protection

Starter combinations

Industrial control

Machine automation

Heavy machinery

Compatible systems

Compatible with Siemens Sirius motor starter components and control systems.

Also known as

Siemens 3RV2331 circuit breaker Siemens S2 breaker 3RV23 motor protection switch

Replaces / compatible with

This part is a direct replacement for other Siemens 3RV2 series circuit breakers with identical specifications. Compatible with Siemens Sirius 3RV2 accessories.

Technical note

Expert tip

When used in a starter combination, ensure the downstream motor's full load current is within the breaker's rated current range and that the short-circuit release is coordinated with upstream protective devices.

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Frequently asked questions

What is the purpose of the 949A N-release setting on the Siemens 3RV2331-4KC10?

The 949A N-release (short-circuit release) setting on the Siemens 3RV2331-4KC10 defines the current level at which the breaker will trip instantaneously during a short circuit. This high setting is appropriate for the higher current demands of larger industrial motors.