Overview
The Siemens 3RT2047-3AB00 is a durable, high-efficiency power contactor ideal for industrial and commercial electrical applications. Engineered for AC-3 and AC-3e operations, this 3-pole contactor is capable of handling currents up to 110 A and motor power up to 55 kW at 400 V. Its robust design ensures maximum reliability and long operational life in demanding environments.
Key Features & Benefit
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High Current Capacity: Supports up to 110 A for heavy-duty industrial applications.
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Motor Power Compatibility: Rated for motors up to 55 kW at 400 V, ideal for AC-3e/AC-3 operations.
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Auxiliary Contacts: 1 NO + 1 NC auxiliary contacts for flexible control circuit integration.
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Reliable Terminals: Screw terminals for main circuits and spring-loaded terminals for control circuits for secure and efficient connections.
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Compact Design: Size S3 ensures easy integration into existing panels.
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Durability & Safety: Designed by Siemens for industrial-grade reliability and long-term performance.
Function / Application
The Siemens 3RT2047-3AB00 power contactor is primarily used for switching motors and resistive loads in various industrial settings. It is the core component for:
- Direct-on-Line (DOL) Starters for 3-phase AC motors.
- Integration into motor control centers (MCCs) and automation systems.
- Switching high-current resistive loads and heating elements (AC-1 duty, up to 130A at 400V).
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