3RT2037-1CK64-3MA0

Description

Overview

The Siemens 3RT2037-1CK64-3MA0 is a premium power contactor designed for high-demand industrial and motor control applications. With a robust AC-3e/AC-3 rating, it can handle currents up to 65 A and power loads up to 30 kW at 400 V, ensuring dependable operation in challenging environments.

Equipped with plugged-in varistor protection and auxiliary contacts (2 NO + 2 NC), this 3-pole contactor ensures enhanced control, safety, and longevity. Its screw terminal connection and captive auxiliary switch simplify installation and maintenance. Sized at S2, it is ideal for standard industrial panel mounting.

Key Benefit

• Reliable Motor Control: Handles AC-3e/AC-3 loads up to 30 kW / 400 V with ease.

• Enhanced Safety: Plugged-in varistor protects against voltage spikes and prolongs contactor life.

• Flexible Control Options: 2 NO + 2 NC auxiliary contacts enable easy integration into control circuits.

• Easy Installation & Maintenance: Screw terminals and captive auxiliary switch ensure quick wiring and reduced downtime.

• Industrial Durability: Robust S2 size design for demanding industrial environments.

Function

• Switching and control of motors and resistive loads.

• Integration into industrial automation systems for reliable power management.

• Auxiliary circuit monitoring via NO/NC contacts.

• Protection against voltage spikes with plugged-in varistor.

Technical Specification

• Rated Current (AC-3e/AC-3): 65 A

• Power (AC-3 / 400 V): 30 kW

• Poles: 3

• Coil Voltage: 110 V AC (50 Hz) / 120 V AC (60 Hz)

• Auxiliary Contacts: 2 NO + 2 NC

• Connection Type: Screw terminal

• Size: S2

• Special Features: Plugged-in varistor, captive auxiliary switch

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