The Siemens 3RH1122-1BB40 is a robust and reliable contactor relay, designed to offer superior performance in a variety of industrial applications. This 4-pole device is capable of handling 6 A at 230 V ac and 10 A at 24 V dc, with a maximum insulation voltage of 690 V ac. It features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, providing flexibility in control circuit configurations. The 3RH1122-1BB40 operates with a control supply voltage of 24 V DC, ensuring efficient and consistent performance. Its compact size S00 design makes it an ideal choice for installations where space is at a premium. With a mechanical service life of up to 30 million switching cycles, this contactor relay is built to last, reducing the need for frequent replacements and offering excellent value for money. The Siemens 3RH1122-1BB40 contactor relay is a testament to Siemens' commitment to quality, innovation, and durability.