Siemens 3RT2038-3SP30 Power Contactor 80 A, 37 kW, 3-Pole AC-3/AC-3e, Integrated Varistor, S2 Size Original Brand New

Overview

The Siemens 3RT2038-3SP30 is a high-performance power contactor engineered for demanding industrial motor control applications. Designed for long-lasting reliability, it supports AC-3e/AC-3 operations up to 80 A and 37 kW at 400 V, making it ideal for motor switching, automation systems, and power distribution units. Featuring a 3-pole configuration, integrated varistor, and universal 175–280 V AC/DC coil, this contactor ensures efficient, safe, and stable operation.

Its spring-loaded control and auxiliary terminals provide quick, vibration-resistant wiring, while its screw-type main terminals guarantee secure power connections. With a compact S2 size and 1 NC auxiliary contact, the 3RT2038-3SP30 is suitable for PLC-controlled applications and modern industrial control panels.

Benefit

• High switching performance for industrial motors and resistive loads

• Wide voltage range (175–280 V AC/DC) supports flexible installation

• Integrated varistor ensures superior surge protection

• Compact S2 size saves cabinet space

• Vibration-proof spring terminals enhance reliability in harsh environments

• Ideal for PLC-controlled systems thanks to the F-PLC-IN configuration

• Long service life and maintenance-friendly design

Function

• Switching and control of 3-phase motors

• Reliable performance in AC-3e / AC-3 duty

• Surge protection via built-in varistor

• Safe operation using 1 NC auxiliary contact

• Secure screw terminal power connections

• Quick installation using spring terminals for auxiliary/control circuits

Application

• Industrial motor starters

• Conveyor systems & automation lines

• Pump and fan control

• Industrial machinery

• HVAC systems

• Power panels & distribution cabinets

Technical Specification

• Product Number: Siemens 3RT2038-3SP30

• Type: Power Contactor

• Operational Voltage: 400 V

• Operating Current: 80 A (AC-3e/AC-3)

• Power Rating: 37 kW at 400 V

• Poles: 3-pole

• Control Voltage: 175–280 V AC/DC, 50/60 Hz

• Auxiliary Contacts: 1 NC

• Protection: Integrated varistor

• Main Terminals: Screw terminal

• Aux/Control Terminals: Spring-loaded

• Size: S2

• F-PLC-IN compatible

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