Overview
The Siemens 3RH2911-1XA22-0MA0 is a high-quality, front-mounted SIRIUS auxiliary switch block designed for seamless integration and expansion of auxiliary contacts in industrial control circuits. As a vital component of the SIRIUS modular system, this switch is engineered for reliability, simple installation, and compatibility with the widely used 3RT2 power contactors and 3RH2 contactor relays.
It provides a configuration of 2 Normally Open (NO) and 2 Normally Closed (NC) instantaneous contacts, allowing for flexible signal and control functions. The use of robust screw terminals ensures secure and dependable electrical connections.
Key Features / Function
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Configuration: Front-mounted auxiliary switch with 2 NO + 2 NC contacts
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Current Path: 1 NO, 1 NC, 1 NC, 1 NO
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Compatibility: Works with Siemens 3RT2 contactors and 3RH2 contactor relays
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Connection Type: Screw terminal for secure wiring
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Contact Labels: 53/54, 61/62, 71/72, 83/84
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Durability: Designed for long-lasting industrial performance
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Application: Perfect for signaling, feedback, and control circuits in automation systems
Benefit
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Reliable Operation: High-quality contacts ensure accurate switching and signaling.
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Versatile Installation: Front-mounted design simplifies integration into existing systems.
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Industrial Compatibility: Specifically designed for 3RT2 and 3RH2 contactors for seamless performance.
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Secure Wiring: Screw terminals provide stable and maintenance-free connections.
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Durable Design: Robust construction suited for demanding industrial environments.
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