3RH2122-2HB40
Siemens SIRIUS 3RH2122-2HB40 auxiliary contactor relay, 2NO+2NC contact configuration, 24V DC coil, spring terminal wiring, Size S00 standard mechanism size, suitable for general interlocking control circuits.
Product Positioning
The 3RH2122-2HB40 is a standard auxiliary contactor relay in the SIRIUS series, featuring 2NO+2NC contacts and a 24V DC coil, and employing a spring-loaded terminal wiring design.
Core Product Advantages and Features
2NO+2NC contact configuration
It provides two sets of normally open and two sets of normally closed contacts, which can be used for signal feedback, interlocking and control circuit expansion.
24V DC coil
The coil has a rated voltage of 24V DC and an operating range of approximately 0.7 to 1.25 times the rated value.
Spring-type terminals
The wiring uses spring-loaded terminals, eliminating the need for screw fastening and making installation and maintenance convenient.
Size S00 Standard Organization
It adopts the common S00 mounting dimensions of the SIRIUS 3RH2 series and is compatible with accessories from the same series.
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