Siemens 3RH2911-4GA40 Auxiliary Switch, Front Mount, 4 NO Contacts, Ring Lug Connection Original Brand New

Overview

The Siemens 3RH2911-4GA40 is a high-quality, front-mounted auxiliary switch designed to expand the functionality of Siemens contactor relays. This essential component provides four normally open (NO) auxiliary contacts, crucial for signalization, interlocking, and control circuit applications. Its front-mounting design ensures easy and quick installation, saving valuable time during assembly and maintenance.

Key Features & Function

• 4 Normally Open (NO) Contacts: Provides four independent, normally open contact points for a wide range of control circuit needs, including signaling, interlocking, and status indication.
• Front-Mount Installation: Designed for simple, snap-on mounting directly to the front of compatible Siemens contactor relays, ensuring a secure and efficient connection.
• Ring Cable Lug Connection: Features a robust ring cable lug connection, which provides a secure and reliable electrical termination for demanding industrial environments.
• Physically Coded: The auxiliary switch is physically coded to prevent incorrect mounting, ensuring safe and correct operation.
• Compatibility: Specifically designed for seamless integration with Siemens 3RH2140 and 3RH2444 contactor relays, adhering to EN 50011 standards.

Benefit

• Increased System Flexibility: Add critical control functions and signalization points to your electrical circuits without changing the main contactor.
• Reliable Performance: Manufactured by Siemens, a leader in industrial automation, this auxiliary switch guarantees high reliability and long-term durability.
• Easy & Quick Installation: The front-mount and coded design simplify setup, reducing installation time and potential for errors.
• Enhanced Safety: The physical coding feature ensures proper installation, preventing misconfiguration that could lead to circuit faults.
• Compact Design: The compact form factor adds functionality without taking up significant panel space.

Technical Specification

• Product Number: 3RH2911-4GA40
• Contact Type: Auxiliary Switch
• Mounting: Front-mounted
• Number of Contacts: 4 NO (Normally Open)
• Contact Configuration: 53/54, 63/64, 73/74, 83/84
• Connection Type: Ring Cable Lug Connection
• Compatibility: Siemens 3RH2140 and 3RH2444 Contactor Relays
• Standard: EN 50011

Application

The Siemens 3RH2911-4GA40 is ideal for a wide range of industrial applications, including:

• Control panels
• Motor control circuits
• Automation systems
• Signaling and interlocking circuits
• HVAC systems
• Pump and fan controls

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