Overview
The Siemens 3RT2028-1BB40-1AA0 power contactor is a reliable and efficient solution for controlling AC circuits in industrial applications. Engineered for durability, it supports high switching capacity with AC-3e/AC-3 performance, delivering 38 A and up to 18.5 kW at 400 V. Compact and versatile, it is ideal for motor control, automation systems, and other electrical installations.
Key Features & Benefit
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High Switching Capacity: Handles 38 A and 18.5 kW at 400 V, suitable for medium-load motors.
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3-Pole Design: Ensures reliable three-phase switching for complex AC applications.
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Auxiliary Contacts: 1 NO + 1 NC for signaling and control functions.
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Durable Construction: Screw terminals and Size S0 housing provide secure and long-lasting connections.
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Flexible Mounting: Upright installation position ensures easy integration into existing setups.
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Efficient Coil Operation: 24 V DC coil for precise and energy-efficient switching.
Functionality
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Ideal for motor control, lighting, heating, and other industrial AC loads.
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Designed for frequent switching operations and reliable long-term performance.
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Compatible with Siemens S0 series control systems.
Technical Specification
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Model Number: 3RT2028-1BB40-1AA0
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Rated Current: 38 A
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Power Rating: 18.5 kW / 400 V
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Poles: 3
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Coil Voltage: 24 V DC
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Auxiliary Contacts: 1 NO + 1 NC
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Terminal Type: Screw
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Mounting Position: Upright
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Size: S0
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Type: Power Contactor
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