Overview
The Siemens 3RH2911-2NL40-0MC0 auxiliary switch is engineered for precise monitoring and control of contactors in industrial environments. Designed with solid-state compatibility and front mounting, this switch provides 4 normally open (NO) contacts for seamless integration with Siemens 3RT102 and 3RT103 contactors using adapters 3RT2926-4NA00 and 3RT2936-4NA00. Its spring-loaded terminals ensure secure and efficient electrical connections, making it ideal for robust automation systems.
Key Benefit
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Solid-State Compatible: Ensures reliable operation with modern electronic control systems.
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Multiple Contact Points: 4 NO contacts (13/14, 23/24, 33/34, 43/44) for versatile applications.
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Easy Installation: Front-mounted design allows straightforward assembly and maintenance.
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Durable & Secure: Spring-loaded terminals guarantee stable connections.
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Compatible: Works seamlessly with 3RT102 and 3RT103 contactors using specified adapters.
Functions & Applications
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Provides auxiliary switching for monitoring contactor status.
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Facilitates automation and control tasks in industrial machinery.
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Supports integration with solid-state controllers and safety circuits.
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Ideal for control panels and industrial automation systems requiring reliable feedback.
Technical Specification
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Product Number: 3RH2911-2NL40-0MC0
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Contact Type: 4 NO (Normally Open)
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Mounting: Front
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Compatibility: 3RT102..-.X…-0LA(0.2) with adapter 3RT2926-4NA00, 3RT103..-.X…-0LA(0.2) with adapter 3RT2936-4NA00
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Terminal Type: Spring-loaded
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Current Path: 1 NO solid-state compatible, 1 NO, 1 NO, 1 NO
For more of our high-quality industrial automation products, including compatible contactors and adapters, visit Turll today!













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