3RH2122-2VB40
The Siemens SIRIUS 3RH2122-2VB40 self-locking coupling contactor relay features 2NO+2NC contacts, a 24V DC coil, and spring-loaded terminal connections. It complies with safety standards such as IEC 60947-5-1 and ISO 13849 and is suitable for low-voltage, low-current signal circuits.
Product Positioning
The 3RH2122-2VB40 is a SIRIUS series coupling contactor relay with self-locking function. It maintains high contact stability under low voltage and low current signals and meets multiple international safety standards.
Core Product Advantages and Features
Self-locking coupling design
It features a self-locking mechanism to enhance the stability of the contact after it has moved.
2NO+2NC contacts
The 4-pole 2NO+2NC contact configuration can handle multiple signal feedback and interlocking circuits simultaneously.
Spring-type terminals
It adopts spring-type terminal wiring, which allows for quick installation, screwless locking, and convenient maintenance and replacement.
Meets international safety standards
It complies with safety-related standards such as IEC 60947-5-1, IEC 61508, and ISO 13849.
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