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The Siemens SIRIUS 3RH2244-2BB40 is an S00 size 8-pole contact relay with 4 normally open and 4 normally closed contacts. The auxiliary switch is factory-installed, and it features a DC 24V coil and spring terminal connections. It is suitable for interlocking circuits that require a large number of control contacts.

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.

The Siemens SIRIUS 3RH2244-1BB40 is an S00 size 8-pole contact relay with 4 normally open and 4 normally closed contacts. The auxiliary switch is factory-installed, and it features a DC 24V coil and screw terminal connections. It is suitable for interlocking circuits that require a large number of control contacts.

The Siemens SIRIUS 3RH2244-1AP00 is an S00 size 8-pole contact relay with 4 normally open and 4 normally closed contacts. The auxiliary switch is factory-installed. It features an AC 230V 50/60Hz coil and screw terminal connections, making it suitable for interlocking circuits requiring a large number of control contacts.

The Siemens SIRIUS 3RH2244-1AF00 is an S00 size 8-pole contact relay with 4 normally open and 4 normally closed contacts. The auxiliary switch is factory-installed. It features an AC 110V 50/60Hz coil and screw terminal connections, making it suitable for interlocking circuits requiring a large number of control contacts.

The Siemens SIRIUS 3RH2140-1MB40-0KT0 is an S00 coupled contact relay with 4 normally open contacts, a DC 24V coil, a coil operating range of 0.85–1.85×Us, low power consumption of 1.6W, and can be directly driven by PLC output. It features screw terminal connection and does not have built-in suppression components, which can be externally connected as needed.

The Siemens SIRIUS 3RH2140-2KF40 is an S00 coupled contact relay with 4 normally open contacts, a DC 110V coil, a coil operating range of 0.7–1.25 × Us, a built-in suppression diode, and spring terminal connection. It is suitable for applications with DC 110V control power supplies and large voltage fluctuations.

The Siemens SIRIUS 3RH2140-2KB40 is an S00 coupled contact relay with 4 normally open contacts, a DC 24V coil, a coil operating range of 0.7–1.25 × Us, a built-in suppressed diode, and spring terminal connection. It is designed for direct drive of PLC outputs.

The Siemens SIRIUS 3RH2140-2BF40 is an S00 size contact relay with 4 normally open (4NO) contacts, a DC 110V coil, and spring terminal connections. It is commonly used in DC 110V control circuits in power plants and substations for signal switching and amplification.

The Siemens SIRIUS 3RH2140-2BB40 is an S00 size contact relay with 4 normally open (4NO) contacts, a DC 24V coil, and spring terminal connections. It can be used with a 24V DC power supply and a PLC control system for signal switching and amplification in control circuits.

The Siemens SIRIUS 3RH2140-2AP00 is an S00 size contact relay with 4 normally open (4 NO) contacts, an AC 230V 50/60Hz coil, and spring terminal connections. It conforms to European AC 230V control power supply standards and is commonly used in export-oriented machines for signal switching and amplification in control circuits.

The Siemens SIRIUS 3RH2140-2AK60 is an S00 size contact relay with 4 normally open (4NO) contacts, AC 110V 50Hz/120V 60Hz dual rated coils, and spring terminal connections, facilitating the shipment of the same model to both 50Hz and 60Hz markets. It is used for signal switching and amplification in control circuits.

The Siemens SIRIUS 3RH2140-2AF00 is an S00 size contact relay with 4 normally open (4NO) contacts, an AC 110V 50/60Hz coil, and spring terminal connections. It is suitable for switchboards and machine tools with AC 110V control power supply for signal switching and amplification in control circuits.

The Siemens SIRIUS 3RH2140-1VB40 is an S00 coupled contact relay with 4 normally open contacts, a DC 24V coil, a coil operating range of 0.85–1.85×Us, a built-in diode, screw terminal connection, and is designed for direct drive of PLC outputs.

The Siemens SIRIUS 3RH2140-1SB40 is an S00 coupled contact relay with 4 normally open contacts, a DC 24V coil, a coil operating range of 0.85–1.85×Us, a built-in suppressed diode, screw terminal connection, and is designed for direct drive of PLC outputs.