The Siemens 3RH1140-2KB40 is a robust and reliable contactor relay, designed to offer superior performance in a variety of industrial applications. This part features 4 Normally Open (NO) contacts and operates with a control supply voltage of 24V DC. The operating range factor of the magnet coil for DC is 0.7 to 1.25, ensuring flexibility and adaptability in different operating conditions.
The 3RH1140-2KB40 is designed with a surge suppressor with varistor, providing additional protection against voltage spikes. The part is also equipped with cage clamp terminals for auxiliary and control current circuits, allowing for secure and efficient connections.
With a mechanical operating cycle of 30,000,000, this contactor relay is built for longevity and durability. It can be mounted in any position, with +/-180° rotation possible on a vertical mounting surface and can be tilted forward and backward by +/- 22.5° on a vertical mounting surface.
The 3RH1140-2KB40 is part of Siemens' SIRIUS product line, known for its high-quality and reliable industrial controls. With an IP20 protection class on the front, this part is designed to withstand challenging environments.
Please note that this part has a verification of suitability from several bodies including CSA, UL, CCC, GL, LRS, BV, DNV, RMRS, and RINA, ensuring its compliance with international standards.
Whether you're upgrading your current system or building a new one, the Siemens 3RH1140-2KB40 contactor relay is a reliable choice that delivers consistent, high-quality performance.