Overview
The Siemens SIRIUS 3RT2027-2DB44-3MA0 is a high-performance, 3-pole power contactor designed for reliable switching of motors and other loads in industrial applications. Part of the SIRIUS 3RT2 series, this robust contactor offers a rated operational current of 32 A (AC-3e/AC-3) and a power rating of 15 kW at 400 V.
It features an efficient 24 V DC operating coil with a built-in varistor for surge suppression, ensuring maximum coil protection and operational longevity. Its compact Size S0 footprint and user-friendly spring-loaded terminals allow for fast, reliable, and vibration-proof wiring, while the integrated 2 NO + 2 NC auxiliary contacts provide flexible signaling and interlocking capabilities.
Key Benefit
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High Switching Capacity: Supports up to 15 kW at 400V, ideal for motor control and industrial power systems.
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Integrated Surge Protection: Built-in varistor protects against voltage spikes, enhancing system longevity.
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Fast and Secure Installation: Spring-loaded terminals and captive auxiliary switch simplify mounting and wiring.
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Compact Size (S0): Saves space in control cabinets while maintaining powerful performance.
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Versatile Use: Suitable for AC-3 and AC-3e applications across various industries.
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Reliable Auxiliary Contacts: Comes with 2 NO + 2 NC contacts for expanded control circuit functionality.
Key Features & Function
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Product Number: 3RT2027-2DB44-3MA0
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Rated Operational Current: 32 A
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Rated Power: 15 kW @ 400 V
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Contact Configuration: 3-Pole Main + 2 NO / 2 NC Auxiliary
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Control Voltage: 24 V DC
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Terminal Type: Spring-loaded
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Protection: Plugged-in varistor for surge suppression
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Size: S0 – compact and efficient
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Switch Type: Captive auxiliary switch ensures contact integrity
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