Siemens 3RT2045-1NF34 Power Contactor 80A, 37 kW/400V, 3-Pole, AC-3e/AC-3, Integrated Varistor Original Brand New

Overview

The Siemens 3RT2045-1NF34 is a robust and reliable power contactor designed for demanding industrial applications. Perfect for controlling motors and heavy electrical loads, this 3-pole contactor supports up to 80A and 37 kW at 400V. With a wide control voltage range (83-155V AC/DC) and 50/60 Hz compatibility, it ensures versatile operation across global industrial standards. Its integrated varistor provides enhanced protection against voltage spikes, ensuring longevity and stable performance.

Key Features & Function

• High Current Rating: 80A rated for AC-3e/AC-3 applications, handling motors up to 37 kW / 400V.

• 3-Pole Design: Ensures reliable switching for three-phase power circuits.

• Integrated Varistor: Protects the contactor coil from voltage surges and prolongs operational life.

• Auxiliary Contacts: 2 NO + 2 NC contacts for flexible circuit control and signaling.

• Wide Coil Voltage Range: 83-155V AC/DC, compatible with various control systems.

• Screw Terminal Connection: Secure and easy installation for industrial setups.

• Size S3: Compact design for efficient space utilization.

• Removable Auxiliary Switch: Allows easy maintenance and replacement without disrupting operation.

Benefit

• Ensures reliable and efficient motor control in industrial environments.

• Protects equipment with integrated varistor, reducing downtime.

• Simplifies system integration with versatile auxiliary contacts.

• Durable construction for long-lasting performance in demanding applications.

• Easy installation and maintenance with removable auxiliary switch.

Application

• Industrial motor starters

• Automated manufacturing systems

• Electrical panels and switchgear

• HVAC systems and large-scale machinery

• Heavy-duty AC-3e/AC-3 load switching

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