3RT2037-1KB40, Siemens Contactor, 24 V dc Coil, 3-Pole, 65 A, 30 kW, 1NO + 1NC, 400 V

Siemens Contactor, Screw Terminals, With Auxiliary Switch - SIRIUS Series - 3RT2037-1KB40

To put yourself in control and switch loads with ease, use this contactor from Siemens. It can handle small loads such as solenoid valves, alarms or motor starters via a 2A PLC, as well as larger loads up to 65A such as electric furnaces or industrial compressors. A mechanical service life of 10 million switching cycles means this is a device you can rely on for the long term. Setting it up is a breeze, as it has easy-to-use screw terminals and slots onto a standard DIN rail.

Features & Benefits

• Operating temperature range of -25°C to +60°C means you can use it in harsh environments
• 3-pole configuration is suitable for use with industrial 3-phase systems
• Auxiliary switch offers extra functionality, such as monitoring, signalling or remote control
• Suitable for side-by-side mounting to maximise rail space

Why choose a contactor with a 24V DC coil voltage?

This unit's 24V DC coil voltage makes it a suitable choice for industrial automation and control systems, where 24V DC is commonly used. As well as offering easy compatibility, the contactor enhances safety with lower voltages and efficiently interfaces with other control components to give you reliable switching and monitoring.

Datasheet - 3RT2037-1KB40

Environmental Product Declaration

Environmental Product Declaration - Overview

Manual - Sirius 3RT Contactors

Siemens EcoTech label