Overview
The Siemens 3RT2045-1AD00 power contactor is a robust, high-performance device designed for industrial motor control and automation systems. With a 3-pole configuration, it efficiently manages high-current AC loads, ensuring operational reliability and long-term durability. This contactor is engineered for AC-3/AC-3e utilization, making it perfect for switching motors and resistive loads up to 37 kW at 400 V. Its compact size (S3) and screw terminal design make installation straightforward and maintenance-friendly.
Features
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AC-3e / AC-3 rated power contactor
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Nominal current: 80 A
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Motor switching capacity: 37 kW / 400 V
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3-pole design for stable load management
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Coil voltage: 42 V AC, 50 Hz
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Auxiliary contacts: 1 NO + 1 NC
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Screw terminal for secure connections
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Compact size S3 for space-efficient installations
Benefits
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Reliable motor control: Handles high currents and protects motors from overload.
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Durable design: Built for long-lasting performance in industrial environments.
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Easy installation: Screw terminals and compact design reduce wiring complexity.
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Flexible usage: Compatible with various AC loads including motors and resistive devices.
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Operational safety: Auxiliary contacts provide additional circuit control and safety functions.
Applications / Functions
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Industrial motor starters
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Conveyor systems
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HVAC systems and compressors
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Pumps and heavy machinery
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Automation control panels
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Power distribution circuits
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