3RH2244-1BF40
The Siemens SIRIUS 3RH2244-1BF40 is an S00 size 8-pole contact relay with 4 normally open and 4 normally closed contacts. The auxiliary switch is factory-installed and features a DC 110V coil and screw terminal connections. It is suitable for interlocking circuits requiring a large number of control contacts.
Product Positioning
The 3RH2244-1BF40 belongs to the SIRIUS 3RH22 series of 8-pole contact relays. It consists of a 4-pole body and a factory-fixed auxiliary switch, providing 4 normally open and 4 normally closed contacts. It is commonly used in DC 110V control circuits in power plants, substations, etc. It is suitable for machine tools and switchboards that require multi-point interlocking and signal distribution.
Core Product Advantages and Features
A total of 8 contacts: 4NO + 4NC
A single component provides 8 contacts: 4 normally open and 4 normally closed, reducing the number of relays and wiring within the panel, and saving installation space.
Auxiliary switch fixed installation
The auxiliary switch is fixedly assembled at the factory and will not loosen or be lost. The contacts have forced guidance characteristics and are suitable for safety-related circuits.
DC110V DC coil
DC 110V coils are commonly used in DC 110V control circuits in power plants and substations; surge suppression modules can be installed on the front side to protect control components.
Screw terminals
The screw terminal wiring is secure and suitable for general panel installation and future maintenance disconnection.