Siemens 3RT2037-1NF30 Power Contactor 65A, 30 kW / 400V, 3-Pole, Integrated Varistor Original Brand New

Overview

The Siemens SIRIUS 3RT2037-1NF30 is a high-performance power contactor designed for demanding industrial applications. As part of the SIRIUS 3RT2 series, this Size S2 contactor is engineered for reliable switching of motors and other loads up to 65 A (AC-3e/AC-3) and 30 kW at 400 V. Its compact design, combined with robust performance, makes it an ideal choice for motor control, HVAC systems, and general load switching in diverse control panels.

Key Benefit

• High Performance & Reliability: Handles up to 65 A and 30 kW / 400 V, ensuring stable operation under demanding conditions.

• Integrated Protection: Built-in varistor safeguards against transient voltage spikes, prolonging device life.

• Flexible Control Options: Auxiliary contacts (1 NO + 1 NC) allow easy integration with control circuits.

• Versatile Installation: Screw terminal connection and compact S2 size make mounting and wiring hassle-free.

• Energy Efficient & Durable: Designed for long-term industrial applications, reducing maintenance costs.

Function

• AC-3e/AC-3 switching of motors and electrical loads

• Protection against voltage surges via integrated varistor

• Auxiliary signal outputs through 1 NO + 1 NC contacts

• Simple wiring with screw terminals

• Reliable operation across 50/60 Hz frequency

Technical Specification

• Model Number: 3RT2037-1NF30

• Rated Current: 65 A

• Rated Power: 30 kW / 400 V

• Poles: 3

• Coil Voltage: 83-155 V AC/DC, 50/60 Hz

• Auxiliary Contacts: 1 NO + 1 NC

• Varistor: Integrated

• Terminal Type: Screw

• Size: S2

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