Siemens Contactor relay, 4NO + 4NC, 220V, 50Hz Part number 3TH4244-0AM0

Product Overview

The Siemens 3TH4244-0AM0 is the Siemens 4-pole control relay, AC operation, 230 V AC, with 4 normally open auxiliary contacts. It is designed for reliable signal switching, interlocking, and control functions in industrial control panels, automation systems and machinery applications. As part of the SIRIUS/Classic control relay family, it offers durable performance, high switching capability and long mechanical service life.

Key Features

• Control relay with 4 auxiliary contacts (4 NO)
• AC-operated coil: 230 V AC
• High switching reliability for control circuits
• Suitable for interlocking, signaling, and command circuits
• Long mechanical durability with robust Siemens design
• Screw terminal connections for secure wiring
• Compact construction for control cabinet installation
• Suitable for use with other Siemens control and switching components

Technical Specifications

• Article Number: 3TH4244-0AM0
• Product Type: Control relay (auxiliary contactor)
• Coil Voltage: 230 V AC
• Contact Configuration: 4 NO (normally open)
• Rated Switching Voltage: Suitable for standard control voltages in industrial circuits
• Rated Thermal Current: Suitable for auxiliary switching tasks within control systems
• Mechanical Durability: High switching cycle capability
• Electrical Durability: Designed for continuous control-circuit operation
• Terminal Type: Screw terminals
• Mounting: Typically DIN-rail or panel mounting depending on configuration
• Housing: Industrial-grade insulated enclosure
• Ambient Operating Conditions: Suitable for standard industrial control environments

Compliance & Certifications

• Complies with international standards for industrial control relays
• Designed for use in machinery, automation and electrical control panels
• Part of the Siemens classic 3TH / SIRIUS relay portfolio

Applications

The Siemens 3TH4244-0AM0 is used for auxiliary control operations such as interlocking, signaling, logic control and general circuit switching. It is commonly installed in motor control centers, automation cabinets, conveyor systems, machinery control stations and process equipment where reliable low-current signal switching is essential.