Siemens SIRIUS 3RT2046-1NB34-3MA0 Power Contactor, 95A, 45kW, 20-33V AC/DC Coil, Size S3 Original Brand New

Overview

The Siemens SIRIUS 3RT2046-1NB34-3MA0 Power Contactor is a high-performance, 3-pole switching device optimized for reliable motor control and load switching in industrial environments. Part of the SIRIUS 3RT2 series, this robust Size S3 contactor is engineered for exceptional reliability, offering an operational current of 95 A and a rated power of 45 kW at 400 V (AC-3e/AC-3).

It features a versatile 20-33 V AC/DC wide-range coil, simplifying inventory and application across different control voltages. The unit is equipped with a high-capacity, integrated surge suppressor (varistor) for coil protection and 2 NO + 2 NC captive auxiliary contacts for crucial control circuit feedback.

Benefits & Advantages

• Exceptional Versatility: The wide-range 20-33V AC/DC coil reduces the number of variants needed in inventory, making it suitable for both AC and DC control systems.
• Enhanced Reliability: Integrated varistor provides effective surge suppression, protecting the coil and the control electronics from damaging voltage spikes.
• Streamlined Installation: Robust screw terminals ensure secure, long-lasting main and auxiliary connections.
• Comprehensive Control: Built-in 2 Normally Open (NO) and 2 Normally Closed (NC) auxiliary contacts allow for complex interlocking, signaling, and control logic right out of the box.
• Industrial Durability: Part of the proven Siemens SIRIUS family, designed for high mechanical and electrical service life in demanding industrial automation applications.

Functions & Features

• Rated Current: 95 A

• Rated Power: 45 kW at 400 V

• Poles: 3-pole design for high-current circuits

• Coil Voltage: 20-33 V AC/DC, 50/60 Hz

• Integrated Protection: Varistor for surge suppression

• Auxiliary Contacts: 2 NO + 2 NC

• Terminal Type: Screw terminals for secure connections

• Size: S3

• Additional Feature: Captive auxiliary switch for easy monitoring

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