Siemens 3RH2911-2GA13 Auxiliary Switch 1 NO + 3 NC, Front Mount, Spring-Loaded Terminal Original Brand New

Overview

The Siemens 3RH2911-2GA13 is a high-quality, front-mountable auxiliary switch designed to enhance the functionality of Siemens contactor relays. This essential component provides a reliable way to expand control circuits, offering a configuration of one normally open (1 NO) and three normally closed (3 NC) contacts. Its robust design and spring-loaded terminals ensure a secure and efficient connection, making it ideal for a wide range of industrial control applications. The physical coding feature guarantees correct assembly, preventing errors and ensuring safe operation.

Key Benefit

• Expanded Functionality: Adds four auxiliary contacts (1 NO + 3 NC) to compatible contactor relays, allowing for more complex control schemes.
• Reliable Performance: Manufactured by Siemens, a leader in industrial automation, ensuring high-quality and long-lasting operation.
• Secure & Fast Installation: Features spring-loaded terminals for a vibration-proof and maintenance-free connection, significantly reducing wiring time.
• Safety & Compatibility: Physically coded to prevent incorrect mounting and is specifically designed to be combinable with Siemens 3RH2140 and 3RH2440 contactor relays, adhering to EN 50011 standards.
• Space-Saving Design: Its front-mount configuration saves valuable space within control panels and enclosures.

Function

• Signal Indication: The auxiliary contacts can be used to provide status signals to PLCs, control systems, or indicator lights.
• Interlocking: Enables the creation of interlocking circuits to ensure safe and sequential operation of machinery.
• Control Circuit Expansion: Expands the number of contacts available for complex control logic.

Technical Specification

• Product Number: 3RH2911-2GA13
• Contact Configuration: 1 Normally Open (NO) + 3 Normally Closed (NC)
• Mounting: Front-mounted on contactor relay
• Terminals: Spring-loaded
• Physical Coding: Yes
• Compatibility: Designed for use with Siemens 3RH2140 and 3RH2440 contactor relays (according to EN 50011)

Application

The Siemens 3RH2911-2GA13 auxiliary switch is perfect for a variety of industrial applications, including motor control, lighting systems, HVAC, and any system requiring expanded control circuit capabilities.

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