Siemens 3RH2911-4GA04 Auxiliary Switch, 4 NC Front-Mounted Contact Block for 3RH2 Relay Original Brand New

Overview

The Siemens 3RH2911-4GA04 is a high-performance, front-mounted auxiliary switch block designed specifically for seamless integration with Siemens 3RH2140 and 3RH2440 contactor relays. Engineered for reliability and safety in industrial control circuits, this module features 4 Normally Closed (NC) contacts, providing essential signaling and interlocking functions. The unique ring cable lug connection offers a robust and secure wiring method, ideal for environments requiring vibration-resistant terminations. Its physically coded design ensures correct and safe installation, meeting the strict requirements of EN 50011.

Benefit

• Reliable Switching Performance: Equipped with four stable NC contact elements for dependable control circuits.

• Secure Installation: Ring cable lug connection ensures stable, vibration-resistant wiring.

• Physically Coded: Prevents incorrect installation and ensures system compatibility.

• Durable and Industry-Compliant: Built in accordance with EN 50011, guaranteeing performance in industrial environments.

• Optimized for Siemens Relays: Fully compatible with 3RH2140 and 3RH2440 contactor relays, ensuring seamless integration.

Function & Features

• 4 NC Contacts: (51/52, 61/62, 71/72, 81/82) – designed for precise and safe switching tasks.

• Current Path: 1 NC + 1 NC + 1 NC + 1 NC configuration for clear and reliable circuit feedback.

• Front-Mounted Design: Easily accessible for installation and maintenance.

• Physical Coding: Guarantees correct module pairing with compatible relays.

• Application Areas: Industrial automation, control cabinets, machinery control systems, signaling circuits, and safety feedback loops.

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