Description
The Siemens Industrial Controls 3RH1921-1EA11 Auxiliary Contact Block is an essential component of an HVAC systems. Designed with a 2-pole block, 1-Normally Open and 1-Normally Closed auxiliary contacts that offer switching capabilities. It is located on the side, making it simple to install, and it also saves space. The product is suitable for systems, as it can manage equipment such as compressors and fans. Its electrical performance makes it possible to have consistent control and improve energy use, and minimize system breakdowns. The block is small in size, which enables its simple installation, and its design ensures that it provides longevity.
