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Siemens 3RV2031-4VA15 S2 Class 10 MP Circuit Breaker w/ Aux

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ManufacturerSiemens

Part number3RV2031-4VA15

Size S2

Type Motor Protection Circuit Breaker

Trip Class 10

Adjustable Current (A-release) 35-45 A

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Veteran-owned

CAGE: 9NK75

Motor protection Class 10 tripping 35-45A adjustable range Integrated 1 NO + 1 NC auxiliary switches Screw terminals Size S2

Product description

The Siemens 3RV2031-4VA15 is a specialized Size S2 motor protection circuit breaker, featuring a Class 10 trip rating for rapid overload response. It includes an adjustable A-release range of 35 to 45 A and an N-release of 650 A. This model is equipped with integrated transverse auxiliary switches: one normally open (NO) and one normally closed (NC), facilitating signaling and interlocking functions. Connections are made via screw terminals.

This breaker is ideal for applications where both motor protection and remote signaling or control interlocking are required. It is commonly used in complex automation systems within industries such as food and beverage processing, automotive manufacturing, and automated logistics.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RV2031-4VA15. We ensure that our customers receive high-quality, tested components, providing a reliable source for your automation needs and excellent value.

Technical specifications

Size	S2
Type	Motor Protection Circuit Breaker
Trip Class	10
Adjustable Current (A-release)	35-45 A
Short Circuit Release (N-release)	650 A
Terminals	Screw
Auxiliary Switches	1 NO + 1 NC (transverse)

Common applications

Motor control with signaling

Automation systems

Machine protection

Process control

Material handling

Industrial facilities

Compatible systems

Compatible with Siemens Sirius motor protection systems and can be integrated into various control panel designs.

Also known as

Siemens 3RV2031-4VA15 3RV20314VA15 Siemens S2 MP breaker with aux

Replaces / compatible with

This circuit breaker with auxiliary contacts can replace or upgrade Siemens motor protection solutions requiring integrated signaling capabilities.

Technical note

Expert tip

The auxiliary switches are typically wired into the control circuit for status monitoring or integration into safety interlock logic.

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Frequently asked questions

What auxiliary functions does the Siemens 3RV2031-4VA15 offer?

The Siemens 3RV2031-4VA15 comes with built-in transverse auxiliary switches, including one normally open (NO) and one normally closed (NC) contact. These are used for remote indication of the breaker's status (tripped or closed) or for interlocking safety circuits.