Siemens SIRIUS 3RA2 blocco di interblocco meccanico per contattori S2, 3RA29342B

Mechanical interlock for Siemens SIRIUS 3RT2 contactors, size S2, ensuring that two contactors cannot be closed simultaneously. This interlock is essential for reversing contactor assemblies and star-delta starters, preventing short circuits and enhancing operational safety.

Advantages

The interlock provides reliable mechanical interlocking, eliminating the risk of simultaneous closure. Its robust construction with plastic and metal components ensures durability in industrial environments. Front mounting between contactors simplifies installation and maintenance.

Suitable for

• Reversing contactor assemblies
• Star-delta starters
• Applications requiring electrical interlocking of two contactors

Key specifications

• Compatibility: Siemens SIRIUS 3RT2 contactors, size S2
• Function: Prevents simultaneous closing of two contactors
• Mounting: Front mounting, between contactors
• Operating temperature: -25 to +60 °C
• Storage temperature: -50 to +80 °C
• Degree of protection: IP20

Recommendations

Verify compatibility with your contactor model before installation. Ensure proper alignment and secure mounting to maintain interlock effectiveness.