Siemens 3RT2046-1KB40 Power Contactor 95A, 45kW/400V, 3-Pole, 24V DC, Integrated Varistor Original Brand New

Overview

The Siemens 3RT2046-1KB40 Power Contactor is engineered for high-performance industrial applications requiring reliable motor control and switching. Designed for AC-3 and AC-3e duty, this 3-pole contactor supports up to 45 kW at 400 V and 95 A of operational current. Its 24 V DC coil ensures precise control, while the integrated varistor offers surge protection for extended durability. Built with screw terminals and auxiliary contacts (1 NO + 1 NC), this contactor delivers exceptional compatibility with PLC outputs, ensuring seamless integration in automation systems.

Key Features & Function

• Model: Siemens 3RT2046-1KB40

• Rated Operational Current: 95 A

• Power Rating: 45 kW / 400 V (AC-3/AC-3e duty)

• Poles: 3-pole configuration

• Control Voltage: 24 V DC (0.8–1.2× Uc range)

• Integrated Varistor: Protects against voltage surges and coil disturbances

• Auxiliary Contacts: 1 NO + 1 NC included

• Terminal Type: Screw terminal for secure connections

• Frame Size: S3

• PLC Compatibility: Optimized for PLC output connections

• Durable & Reliable: Siemens’ proven engineering for industrial-grade switching

Benefit

• High Performance: Handles demanding motor control operations with consistent reliability.
• Enhanced Safety: Built-in varistor reduces transient voltages, extending system lifespan.
• Easy Installation: Screw terminals and compact design simplify setup and maintenance.
• Automation Ready: Seamlessly integrates with programmable logic controllers (PLCs).
• Energy Efficient: Designed for optimal power consumption with reduced coil losses.
• Proven Siemens Quality: Backed by a global leader in electrical and automation technology.

Application

• Industrial automation systems

• Motor control centers (MCC)

• HVAC systems

• Conveyor and production lines

• Pump and compressor control

• General-purpose industrial switching

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