Overview
The Siemens SIRIUS 3RT2026-2DB44-3MA0 Power Contactor is a robust and reliable solution for industrial switching applications. Engineered for performance and longevity, this Size S0 contactor is rated for 25 A (AC-3e/AC-3) and designed to handle motor loads up to 11 kW at 400 V. It features a highly efficient 24 V DC control voltage with a plugged-in varistor for superior surge suppression, ensuring coil protection and reliable operation. This unit is equipped with integrated 2 NO + 2 NC auxiliary contacts and secure, vibration-proof spring-loaded terminals for fast, tool-free wiring.
Key Benefit
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High Reliability: Ensures consistent switching under heavy load conditions.
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Versatile Operation: Supports AC-3e / AC-3 applications up to 11 kW at 400 V.
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Enhanced Protection: Plugged-in varistor safeguards the coil from voltage spikes.
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Efficient Design: Captive auxiliary switch and spring-loaded terminals simplify installation and maintenance.
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Compact Size: S0 frame allows integration into tight spaces without compromising performance.
Functionality
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Switching Capability: Controls 3-phase motors and other AC loads efficiently.
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Auxiliary Contacts: 2 NO + 2 NC for flexible control circuit options.
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Spring-Loaded Terminals: Secure and vibration-resistant connection for stable performance.
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Plugged-In Varistor: Protects against transient overvoltages, extending device lifespan.
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